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Littérature scientifique sur le sujet « Stress triggering »

Auteur : Grafiati

Publié le 10 mars 2023

Mis à jour le 11 mars 2023

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Articles de revues sur le sujet "Stress triggering"

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Gronert, Gerald A., Joseph R. Tobin et Sheila Muldoon. « Malignant hyperthermia — Human stress triggering ». Biochimica et Biophysica Acta (BBA) - Molecular Cell Research 1813, n^o 12 (décembre 2011) : 2191–92. http://dx.doi.org/10.1016/j.bbamcr.2011.08.001.

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Wan, Yong-ge, Zhong-liang Wu, Gong-wei Zhou, Jing Huang et Li-xin Qin. « Research on seismic stress triggering ». Acta Seismologica Sinica 15, n^o 5 (septembre 2002) : 559–77. http://dx.doi.org/10.1007/s11589-002-0025-y.

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Dean, Erin. « Workplace stress triggering unhealthy coping responses ». Nursing Standard 37, n^o 2 (2 février 2022) : 8–10. http://dx.doi.org/10.7748/ns.37.2.8.s6.

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Finsterer, Josef, et Karim Wahbi. « CNS disease triggering Takotsubo stress cardiomyopathy ». International Journal of Cardiology 177, n^o 2 (décembre 2014) : 322–29. http://dx.doi.org/10.1016/j.ijcard.2014.08.101.

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Hardebeck, Jeanne L., et Ruth A. Harris. « Earthquakes in the Shadows : Why Aftershocks Occur at Surprising Locations ». Seismic Record 2, n^o 3 (1 juillet 2022) : 207–16. http://dx.doi.org/10.1785/0320220023.

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Abstract For decades there has been a debate about the relative effects of dynamic versus static stress triggering of aftershocks. According to the static Coulomb stress change hypothesis, aftershocks should not occur in stress shadows—regions where static Coulomb stress has been reduced. We show that static stress shadows substantially influence aftershock occurrence following three M ≥ 7 California mainshocks. Within the modeled static Coulomb stress shadows, the aftershock rate is an order of magnitude lower than in the modeled increase regions. However, the earthquake rate in the stress shadows does not decrease below the background rate, as predicted by Coulomb stress change models. Aftershocks in the stress shadows exhibit different spatial–temporal characteristics from aftershocks in the stress increase regions. The aftershock rate in the stress shadows decays as a power law with distance from the mainshock, consistent with a simple model of dynamic stress triggering. These aftershocks begin with a burst of activity during the first few days after the mainshock, also consistent with dynamic stress triggering. Our interpretation is that aftershock sequences are the combined result of static and dynamic stress triggering, with an estimated ∼34% of aftershocks due to dynamic triggering and ∼66% due to static triggering.

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Steacy, Sandy, Abigail Jiménez et Caroline Holden. « Stress triggering and the Canterbury earthquake sequence ». Geophysical Journal International 196, n^o 1 (11 octobre 2013) : 473–80. http://dx.doi.org/10.1093/gji/ggt380.

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Kilb, Debi, Joan Gomberg et Paul Bodin. « Aftershock triggering by complete Coulomb stress changes ». Journal of Geophysical Research : Solid Earth 107, B4 (avril 2002) : ESE 2–1—ESE 2–14. http://dx.doi.org/10.1029/2001jb000202.

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Strader, Anne, et David D. Jackson. « Near-prospective test of Coulomb stress triggering ». Journal of Geophysical Research : Solid Earth 119, n^o 4 (avril 2014) : 3064–75. http://dx.doi.org/10.1002/2013jb010780.

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Lei, Dong Ning, Jian Chao Wu et Yong Jian Cai. « The Stress Triggering of Aftershocks by Badong M5.1 Mainshock from Coulomb Stress Changes ». Advanced Materials Research 971-973 (juin 2014) : 2172–75. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.2172.

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TheCoulomb stress changes are usually adopted to make analysis on faultinteractions and stress triggering. This paper mainly deals with Coulomb stresschange of mainshock and affect on aftershocks. We preliminarily conclude thatthe mainshock produce Coulomb stress change on aftershocks most behavingpositive and triggered them. By calculating it is obvious that more aftershocksfell into stress increasing area and triggering percentage is up to ninety ofmaximum and seventy-one of minimum.

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Bucholc, Magda, et Sandy Steacy. « Tidal stress triggering of earthquakes in Southern California ». Geophysical Journal International 205, n^o 2 (8 février 2016) : 681–93. http://dx.doi.org/10.1093/gji/ggw045.

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Thèses sur le sujet "Stress triggering"

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Veldhuijzen, van Zanten Joachimina Jellina Catherina Sjoerdina. « Stress-induced haemoconcentration : implications for triggering of myocardial infarction ». Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422336.

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BONALI, FABIO LUCA. « Earthquake induced static stress change in promoting eruptions ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/50170.

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The aim of this PhD work is to study how earthquakes could favour new eruptions, focusing the attention on earthquake-induced static effects in three different case sites. As a first case site, I studied how earthquake-induced crustal dilatation could trigger new eruptions at mud volcanoes in Azerbaijan. Particular attention was then devoted to contribute to the understanding of how earthquake-induced magma pathway unclamping could favour new volcanic activity along the Alaska-Aleutian and Chilean volcanic arcs, where 9 seismic events with Mw ≥ 8 occurred in the last century. Regarding mud volcanoes, I studied the effects of two earthquakes of Mw 6.18 and 6.08 occurred in the Caspian Sea on November 25, 2000 close to Baku city, Azerbaijan. A total of 33 eruptions occurred at 24 mud volcanoes within a maximum distance of 108 km from the epicentres in the five years following the earthquakes. Results show that crustal dilatation might have triggered only 7 eruptions at a maximum distance of about 60 km from the epicentres and within 3 years. Dynamic rather than static strain is thus likely to have been the dominating “promoting” factor because it affected all the studied unrested volcanoes and its magnitude was much larger. Regarding magmatic volcanoes, the entire dataset includes a total of 51 eruptions following 9 large earthquakes (Mw ≥ 8); 33 represent first new eruptions occurred at each single volcano. Comparison of the eruption rate before and after each earthquake suggests that 26 out of the 33 first new eruptions have a positive relation with the studied earthquakes; 13 out of 26 represent awakening events, which are first new eruptions occurred at volcanoes with not-continuous eruptive activity that had no eruptions in the five years before the earthquake. I followed a novel approach that resolves the earthquake-induced static stress change normal to the magma pathway of each volcano instead of considering the general crustal volume. I also considered other parameters that may contribute to control eruptions, such as magma composition and viscosity, magma chamber depth and local tectonic settings. The sensitivity analysis performed for the 2010 Chile earthquake shows that the N-S- and NE-SW-striking magma pathways suffered a larger unclamping in comparison with those striking NW-SE and E-W. Magma pathway parallel or subparallel to the strike of modelled faults suffered the highest unclamping, and this was also evident in the Alaska-Aleutian arc. Magma pathway geometry controls the magnitude of the static stress change induced by large earthquakes, with differences of up to 8 times among magma-feeding planes of different orientation at the same volcano. This range of diverse values is larger for the volcanoes closer to the epicentre. The possible error in the estimate of magma chamber depth has a minimum effect on the results since the sensitivity analysis shows that the range of stress changes with depth is about 1.5 orders of magnitude smaller than the range linked to variations in the magma pathway strike. Result suggest that unclamping effect promoted eruptions that occurred at not-continuously erupting volcanoes (Type B) in a range of 157-543 km, while awakening under unclamping occurred in a range of 157-353 km. Regarding the time-gap, unclamping promoted eruptions at Type B volcanoes and awakening in a time window of 2 days-3 years. In the studied cases, it was also noted that unclamping enhanced eruptions preferentially at volcanoes with a deep magma chamber (> 5 km). Regarding the role of magma pathway geometry, results suggest that 4 awakening events occurred along magma pathways parallel or subparallel to the σHmax, and they are always under unclamping. Eleven awakening events occurred along magma pathways that have an angle from 40° to 90° respect to the σHmax, thus unclamping favoured 8 of these events. Finally, based on the results from this work, I suggest that earthquake-induced stress change can favour magma rise by imparting stress field modifications of the deviatoric stress acting on magma pathway in a percentage up to 5-10 %, increasing the efficiency of magma rise and consequent dyke intrusion also where the tectonic regime doesn’t favour magma rise (e.g. in the older and thicker crust in Chile under contractional tectonics).

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Zinck, Tina. « Experimental animal studies of migraine triggering factors : the role of NO, CGRP and stress / ». Cph. : The Danish University of Pharmaceutical Sciences, Department of Pharmacology, 2004. http://www.dfh.dk/phd/defences/Tinazinck.htm.

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Hessén, Söderman Anne-Charlotte. « Morbidity in Meniere's disease : aspects on quality of life and triggering factors / ». Stockholm, 2002. http://diss.kib.ki.se/2002/91-7349-259-0/.

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Stressler, Bryan James. « Characterization of stress changes in subduction zones from space- and ground-based geodetic observations ». Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/5648.

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Temporally and spatially clustered earthquake sequences along plate boundary zones indicate that patterns of seismicity may be influenced by earthquake-induced stress changes. Many studies invoke Coulomb stress change (CSC) as one possible geo-mechanical mechanism to explain stress interactions between earthquakes, their aftershocks, or large subsequent earthquakes; however, few address the statistical robustness of CSC triggering beyond spatial correlations. To address this, I evaluate the accuracy of CSC predictions in subduction zones where Earth’s largest earthquakes occur and generate voluminous and diverse aftershock sequences. A series of synthetic tests are implemented to investigate the accuracy of inferred stress changes predicted by slip distributions inverted from suites of geodetic observations (InSAR, GPS, seafloor geodetic observations) that are increasingly available for subduction zone earthquakes. Through these tests, I determine that inferred stress changes are accurately predicted at distances greater than a critical distance from modeled slip that is most dependent on earthquake magnitude and the proximity of observations to the earthquake itself. This methodology is then applied to the 2010 Mw 8.8 Maule, Chile earthquake sequence to identify aftershocks that may be used to perform statistically robust tests of CSC triggering; however, only 13 aftershocks from a population of 475 events occurred where confidence in CSC predictions is deemed to be high. The inferred CSC for these events exhibit large uncertainties owing to nodal plane uncertainties assigned to the aftershock mechanisms. Additionally, tests of multiple published slip distributions result in inconsistent stress change predictions resolved for the 13 candidate aftershocks. While these results suggest that CSC imparted by subduction megathrust earthquakes largely cannot be resolved with slip distributions inverted from terrestrial geodetic observations alone, the synthetic tests suggest that dramatic improvements can be made through the inclusion of near-source geodetic observations from seafloor geodetic networks. Furthermore, CSC uncertainties will likely improve with detailed earthquake moment tensor catalogs generated from dense regional seismic networks.

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Mallman, Ellen P. « Stress triggering of earthquakes and subsidence in the Louisiana coastal zone dur to hydrocarbon production / ». May be available electronically:, 2007. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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Achan, Beatrice. « The role of Candida albicans oxidative stress responses in triggering filament formation and macrophage escape following phagocytosis ». Thesis, University of Newcastle upon Tyne, 2018. http://hdl.handle.net/10443/4176.

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Candida albicans is an important opportunistic fungal pathogen which causes life threatening systemic diseases in immunocompromised people. An important virulence attribute of C. albicans is morphological plasticity. Yeasts engulfed by macrophages can transition to a hyphal filamentous morphology which either induce pyroptosis or rupture the phagosomal membrane of the macrophage and evade the toxic reactive oxygen species (ROS) generated by the NADPH oxidase complex of the phagocyte. Recent studies revealed that ROS causes cell cycle arrest resulting in hyperpolarised bud formation in C. albicans. Moreover, the ability of this pathogen to mount robust transcriptional responses to ROS is an essential pre-requisite for hyphal filament formation following phagocytosis. Thus, it was hypothesised that macrophage-derived reactive oxygen species (ROS) can inhibit C. albicans growth, which is more pronounced in ROS-sensitive mutants resulting in impaired filament formation following phagocytosis. Hence, the aim of this study was to decipher why C. albicans responses to ROS are important for filament formation in the phagolysosomal environment of the macrophage. In vitro, it was examined whether hydrogen peroxide (H2O2)-treatment could inhibit serum-induced hyphae formation and whether this was more pronounced in cells lacking the key Cap1 oxidative-stress responsive transcription factor, and its regulators Ybp1 and Gpx3. The results showed that exposure to H2O2 inhibited serum-induced hyphae formation. In addition, the inhibition of filament formation was more sustained in the cap1Δ, ybp1Δ and gpx3Δ mutant cells compared to the wild-type strain. A concurrent analysis of cell survival indicated that the mutant cells displayed a longer H2O2-induced growth arrest compared to wild-type cells. Hence, to identify regulators of hyperpolarised bud formation and, determine if ROS-resistance is a global requirement for filament formation following phagocytosis, a library of transcription factor mutants was screened for sensitivity to different forms of ROS. The most sensitive mutants; cap1Δ, efg1Δ, skn7Δ, ndt80Δ, and gzf3Δ were examined for ability to survive and form filaments following phagocytosis using confocal video microscopy. Only cap1Δ and efg1Δ cells failed to form filaments following phagocytosis. However, the three remaining mutants effectively formed filaments inside the phagosomal environment. Collectively, these data show that whilst Cap1 is essential for filament formation inside the macrophage, wild-type levels of oxidative stress resistance are not a necessary pre-requisite for this morphological switch following phagocytosis.

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Anderson, Gregory J. Anderson Gregory J. « I, studies in crustal deformation using GPS and tiltmeters ; II, new statistical techniques in static stress triggering / ». Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p3035903.

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Katakami, Satoshi. « Significance of Stress Interactions Related to the Occurrence of Shallow Slow Earthquakes ». Kyoto University, 2020. http://hdl.handle.net/2433/253094.

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Lien, Oskarsson Mathias. « Systemic risks with Contingent Convertible Bonds : A simulated study in systemic risks of triggering CoCos in a stressed European banking system ». Thesis, Uppsala universitet, Nationalekonomiska institutionen, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-376566.

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Ever since the great financial crisis of 2008 regulators have pushed toward more resilient banks, resulting in more demanding regulation and an increase of regulator’s insight and power. Through the revision of the BASEL framework, Contingent Convertible Bonds were introduced in 2010 as a part of regulatory capital and has since then grown increasingly popular. However, these instruments have never been tested in a stressed European financial system. Hence, there is no genuine information of how these instruments would behave. Neither have there been any published efforts in testing this through simulation, to the best of my knowledge. Using a temporally disaggregated augmentation of the EBA 2016 stress test, I simulate how the financial system would be affected by triggering the CoCos. Studying the implications of both low and high trigger instruments. Results indicate that there are low risks for a systemic fallout and showcases some notable differences as a result of CoCo design and type of trigger.

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Livres sur le sujet "Stress triggering"

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PhD, Craig Richard, et Melinda Lauw. Brain Tingles : The Secret to Triggering Autonomous Sensory Meridian Response for Improved Sleep, Stress Relief, and Head-to-Toe Euphoria. Adams Media, 2018.

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Richard, Craig. Brain Tingles : The Secret to Triggering Autonomous Sensory Meridian Response for Improved Sleep, Stress Relief, and Head-to-Toe Euphoria. Simon & Schuster Audio and Blackstone Audio, 2018.

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Richard, Craig, et Melinda Lauw. Brain Tingles : The Secret to Triggering Autonomous Sensory Meridian Response for Improved Sleep, Stress Relief, and Head-To-Toe Euphoria. Adams Media Corporation, 2018.

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McNally, Richard J. The Meaning of Psychological Trauma. Sous la direction de Metin Başoğlu. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199374625.003.0007.

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The concept of trauma is integral to the diagnosis of posttraumatic stress disorder (PTSD) because exposure to a stressor qualifying as “traumatic” is a prerequisite for diagnosing someone with the disorder. Yet clarifying the meaning of trauma and specifying what kinds of stressors count as “traumatic” is no easy task. Indeed, many people who experience unquestionably traumatic events (e.g., combat) do not develop PTSD, whereas others who experience seemingly less severe stressors do suffer from symptoms of PTSD. Moreover, stressors triggering PTSD can vary across cultures and within a culture throughout history. Debates about trauma have relevance to whether interrogation practices now falling under the rubric of cruel, inhumane, or degrading treatment (CIDT) constitute torture. This chapter reviews the arguments and scientific evidence on the meaning and measurement of psychological trauma and shows how these findings can clarify the conceptualization of CIDT, its psychiatric consequences, and whether it qualifies as torture.

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Tobia, Anna. Integrative Treatment of Emotional Traumas. Sous la direction de Anthony J. Bazzan et Daniel A. Monti. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190690557.003.0020.

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This chapter examines the heterogeneity of posttraumatic stress disorder (PTSD), reviews the controversy over traumatic triggering events, and explores the complexities of the disease including clinical presentation, comorbidity, and the role of social support. Conceptual models for PTSD are also detailed. PTSD has a highly individualistic clinical presentation, which lends itself to the holistic nature of complementary and alternative medicine (CAM). In this chapter, CAM treatments that have demonstrated clinical utility and research support are reviewed. These approaches include mindfulness, Chinese medicine, the Neuro-Emotional Technique, biofeedback, animal-assisted therapy, yoga, plant-based medicines, and cannabis. The chapter addresses those who want to understand and treat PTSD.

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Fabricio, Guariglia, et Rogier Emeric. Part III Prosecutorial Policy and Practice, 15 The Selection of Situations and Cases by the OTP of the ICC. Oxford University Press, 2015. http://dx.doi.org/10.1093/law/9780198705161.003.0015.

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Selecting situations and cases is one of the key challenges of prosecutorial practice at the ICC and in domestic jurisdictions. This chapter places ICC policies in perspective. It examines prosecutorial strategy and criteria developed by the OTP to determine the choice of situations and cases. It discusses the process and outcome of preliminary examinations, the relevance of triggering mechanisms, and the criteria guiding the selection of cases (independence, impartiality, objectivity, and non-discrimination), including the relevance and treatment of gravity and prosecutorial inaction. It replies to criticisms which have been raised in legal and academic commentary with respect to the selection policy of the Office. It stresses that selection of cases is an evidence-driven process. It argues that the best way to counter unfounded attacks is to scrupulously apply the ICC Statute and to be transparent in its decision-making process.

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Levy, Sharon. The Marsh Builders. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190246402.001.0001.

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Swamps and marshes once covered vast stretches of the North American landscape. The destruction of these habitats, long seen as wastelands that harbored deadly disease, accelerated in the twentieth century. Today, the majority of the original wetlands in the US have vanished, transformed into farm fields or buried under city streets. In The Marsh Builders, Sharon Levy delves into the intertwined histories of wetlands loss and water pollution. The book's springboard is the tale of a years-long citizen uprising in Humboldt County, California, which led to the creation of one of the first U.S. wetlands designed to treat city sewage. The book explores the global roots of this local story: the cholera epidemics that plagued nineteenth-century Europe; the researchers who invented modern sewage treatment after bumbling across the insight that microbes break down pollutants in water; the discovery that wetlands act as efficient filters for the pollutants unleashed by modern humanity. More than forty years after the passage of the Clean Water Act launched a nation-wide effort to rescue lakes, rivers and estuaries fouled with human and industrial waste, the need for revived wetlands is more urgent than ever. Waters from Lake Erie and Chesapeake Bay to China's Lake Taihu are tainted with an overload of nutrients carried in runoff from farms and cities, creating underwater dead zones and triggering algal blooms that release toxins into drinking water sources used by millions of people. As the planet warms, scientists are beginning to design wetlands that can shield coastal cities from rising seas. Revived wetlands hold great promise for healing the world's waters.

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Stein, Elizabeth Ann. Information and Civil Unrest in Dictatorships. Oxford University Press, 2016. http://dx.doi.org/10.1093/acrefore/9780190228637.013.35.

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Considering incidents that make headline news internationally, given the modern information and communication technology revolution, the facility of citizens to rapidly mobilize represents a considerable threat to autocratic survival. While the speed with which popular movements emerge has increased exponentially, and the news of their existence spreads faster and farther, civil unrest has threatened the stability and survival of dictators for centuries. The paranoia and machinations of dictators depicted in films, such as the portrayal of Ugandan dictator Idi Amin in The Last King of Scotland, while sensationalized, capture the astounding array of threats with which unelected leaders must concern themselves. On the one hand, they must worry about insider threats to their standing, such as conspiratorial plots from people within the dictator’s own circle or mutiny among government soldiers. On the other hand, dictators also must monitor threats originating from non-regime actors, such as new alliances forming among once-fragmented opposition groups or the possibility of sustained insurgency or a popular revolution. From force to finesse, autocratic leaders have developed a broad and evolving range of tactics and tools to diminish both internal and external domestic threats to their reign. The success of dictators’ endeavors to insulate their regimes from forces that might challenge them depends on accurate and reliable information, a resource that can be as valuable to the leader as would a large armory and loyal soldiers. Dictators invest significant resources (monetary as well as human capital) to try to gather useful information about their existing and potential opponents, while also trying to control and shape information emitted by the regime before it reaches the public. New information and communication technologies (ICTs), which have drawn a great deal of scholarly attention since the beginning of the 21st century—present both risks and rewards for dictators; inversely they also create new opportunities and hazards for citizens who might utilize them to mobilize people opposed to the regime. While civil unrest could encompass the full range of domestic, nonmilitary actors, there also needs to be a specific focus on various forms of mass mobilization. Historically, more dictators have been forced from office by elite-initiated overthrows via coups d’état than have fallen to revolution or fled amid street protests. Civil unrest, in its many forms, can affect autocratic survival or precipitate regime breakdown. While mass-based revolutions have been a relatively rare phenomenon to date, the actions of many 21st-century dictators indicate that they increasingly concern themselves with the threats posed by popular protests and fear its potential for triggering broader antigovernment campaigns. The ease of access to information (or the lack thereof) help explain interactions between authoritarian regimes and citizens emphasizes. The role of information in popular antigovernment mobilization has evolved and changed how dictators gather and utilize information to prevent or counter civil unrest that might jeopardize their own survival as well as that of the regime.

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Chapitres de livres sur le sujet "Stress triggering"

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Gahalaut, Kalpna. « Stress Change and Earthquake Triggering by Reservoirs ». Dans Natural Hazards, 151–74. Boca Raton, Florida : Taylor & Francis, 2018. | “A CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa plc.” : CRC Press, 2018. http://dx.doi.org/10.1201/9781315166841-8.

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Shabani, Samaneh H., et Azam Bolhassani. « Role of ROS in Triggering Death Receptor-Mediated Apoptosis ». Dans Handbook of Oxidative Stress in Cancer : Mechanistic Aspects, 1–18. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-4501-6_43-1.

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Shabani, Samaneh H., et Azam Bolhassani. « Role of ROS in Triggering Death Receptor-Mediated Apoptosis ». Dans Handbook of Oxidative Stress in Cancer : Mechanistic Aspects, 517–34. Singapore : Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-15-9411-3_43.

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Maurya, Vineet Kumar, Dhananjay Kumar, Chandramani Pathak et Budhi Sagar Tiwari. « Involvement of Reactive Species of Oxygen and Nitrogen in Triggering Programmed Cell Death in Plants ». Dans Biotic and Abiotic Stress Tolerance in Plants, 257–78. Singapore : Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-9029-5_10.

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Mittleman, Murray A. « Triggering of myocardial infarction by physical activity, emotional stress and sexual activity ». Dans Developments in Cardiovascular Medicine, 71–80. Dordrecht : Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1577-0_5.

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Gómez-Merino, Fernando Carlos, et Libia Iris Trejo-Téllez. « The Role of Beneficial Elements in Triggering Adaptive Responses to Environmental Stressors and Improving Plant Performance ». Dans Biotic and Abiotic Stress Tolerance in Plants, 137–72. Singapore : Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-9029-5_6.

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Grandin, Temple. « How to improve livestock handling and reduce stress. » Dans Improving animal welfare : a practical approach, 84–112. 3^e éd. Wallingford : CABI, 2021. http://dx.doi.org/10.1079/9781789245219.0084.

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Abstract Calm, low-stress methods for handling cattle, sheep, pigs, and other farm animals will result in better productivity and increased human safety. People who are handling animals should be trained to understand and use basic behavioral principles such as the flight zone, point of balance, circling around the handler, and natural following behavior. Animals will move more easily through a race or alley if distractions such as shadows or reflections on shiny metal are removed, or if people up ahead are removed from the animal's line of sight. Stress will be reduced if animals are acclimated both to handling procedures and to having people walk through their pens or pastures. Restraint of livestock will be easier and there will be less vocalization or struggling if the following principles are used. The most important features are nonslip flooring and supporting the body to avoid triggering the instinctual fear of slipping and falling. A common mistake is to apply excessive pressure with a restraint device.

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Moreira, Leonilde M., Inês N. Silva, Ana S. Ferreira et Mário R. Santos. « Stress Conditions Triggering Mucoid-to-nonmucoid Morphotype Variation inBurkholderia, and Effects on Virulence and Biofilm Formation ». Dans Stress and Environmental Regulation of Gene Expression and Adaptation in Bacteria, 1295–303. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119004813.ch126.

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Mortensen, S. A., H. Nielsen et Paul Grossman. « Hyperventilation as Diagnostic Stress Test for Variant Angina and Cardiomyopathy : Cardiovascular Responses, Likely Triggering Mechanisms and Psychophysiological Implications ». Dans Cardiorespiratory and Cardiosomatic Psychophysiology, 303–17. Boston, MA : Springer US, 1986. http://dx.doi.org/10.1007/978-1-4757-0360-3_19.

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Urbancic, Theodore I., et Cezar-loan Trifu. « Remote Triggering of Large Seismic Events in Mines : Evidence Based on the Spatial and Temporal Migration of Microseismic Events Along Increasing Stress Gradients ». Dans Earthquakes Induced by Underground Nuclear Explosions, 353–74. Berlin, Heidelberg : Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-57764-2_28.

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Actes de conférences sur le sujet "Stress triggering"

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Daniarsyad, Gatut, et Iman Suardi. « Stress triggering among MW≥6.0 significant earthquakes in Manokwari Trough ». Dans INTERNATIONAL SYMPOSIUM ON EARTH HAZARD AND DISASTER MITIGATION (ISEDM) 2016 : The 6th Annual Symposium on Earthquake and Related Geohazard Research for Disaster Risk Reduction. Author(s), 2017. http://dx.doi.org/10.1063/1.4987056.

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Kettlety, Tom, James P. Verdon, Maximilian Werner et J. Michael Kendall. « Investigating triggering mechanisms behind hydraulic fracturing-induced seismicity : Elastic stress transfer ». Dans SEG Technical Program Expanded Abstracts 2018. Society of Exploration Geophysicists, 2018. http://dx.doi.org/10.1190/segam2018-2994987.1.

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Tarik, D., P. Royce, P. Marquese, P. Sean et S. Rebekah. « Multiscale Simulation Approach to Localized Interfacial Bonding and Stress -State Analysis of Self-Triggering Sensors ». Dans SAMPE neXus 2021. NA SAMPE, 2021. http://dx.doi.org/10.33599/nasampe/s.21.0616.

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Bilge, H. Tolga, Berna Unutmaz, A. Anil Yunatci, Ipek Yunatci et K. Onder Cetin. « Liquefaction Triggering Response Under Wave-Induced Cyclic Loading ». Dans ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-80123.

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Cyclic response of saturated sands has become one of the most popular topics in geotechnical earthquake engineering due to the consequent damages of earthquakes. Related to this topic, detailed performance of offshore structures founded on saturated sands under the effect of cyclic loads carries vital economic importance. It is well-known that besides seismic loading; storm, wind and/or submarine slope failures have direct effect on the strength and deformation behavior of soils through induced sea-level variations. This study summarizes the results of a series of cyclic triaxial tests performed to simulate the behavior of fully-saturated coarse grained sands under wave-induced cyclic loading. Evaluating the excess pore water pressure generation and shear strain accumulation response along with the number of cycles required for liquefaction triggering for sands, having different relative densities, and being subjected to various cyclic shear stress ratios (CSR), the following observations are made; i) number of cycles to liquefaction increases with increasing relative density and decreasing CSR, ii) for medium dense foundation and backfill soils, liquefaction is not triggered for CSR values less than 0.1 under reasonable number of cycles, and iii) number of cycles to liquefaction decreases significantly for soils subjected to CSR values exceeding of 0.25. These results were used to express the effects of the variation in water level and liquefaction triggering response in terms of in-situ test data, wave height and number of waves for the granular backfill of a sample offshore structure.

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Gao, Hao, Quan Long, Martin Graves, Zhi-Yong Li et Jonathan H. Gillard. « Fluid-Structure Interaction Study on Human Arterial Plaque With Patient Specific Geometry and Boundary Conditions ». Dans ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192733.

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Atherosclerotic plaque rupture has been extensively considered as the leading cause of death in western countries. It is believed that high stresses within plaque can be an important factor on triggering the rupture of the plaque. Stress analysis in the coronary and carotid arteries with plaque have been developed by many researchers from 2D to 3-D models, from structure analysis only to the Fluid-Structure Interaction (FSI) models[1].

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Herman, Matthew, Rob Govers et Kevin P. Furlong. « STRESS EVOLUTION DURING THE MEGATHRUST EARTHQUAKE CYCLE AND ITS ROLE IN TRIGGERING EXTENSIONAL DEFORMATION IN SUBDUCTION ZONES ». Dans GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-357468.

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Meneghesso, G., E. Zanoni, J. R. M. Luchies, F. G. Kuper et A. J. Mouthaan. « Electron-Beam Analysis of the Turn-On Speed of Grounded-Gate NMOS ESD Protection Transistors During Charged Device-Model Stress Pulses ». Dans ISTFA 1996. ASM International, 1996. http://dx.doi.org/10.31399/asm.cp.istfa1996p0257.

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Abstract A commercial Electron-beam measurement set-up has been applied to study triggering and turn-on of NMOS ESD protection transistors. Using this technique turn-on times in the sub halve nanosecond range could be determined for the first time. The measured transient behaviour could be described accurately using SPICE simulations. The measurements have been used to explain the CDM failure mode characteristics of the NMOS protection transistor.

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Choudhury, Ahsan, Michael Luppi, Warren Hopkins, Hao Gao, Saroj Das, Ian Kill, Michele Pinelli et Quan Long. « High Resolution 3D Reconstruction of an Atherosclorotic Plaque by a Combination of Histology and 3D Ultrasound ». Dans ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206684.

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The sudden rupture of a vulnerable arterial plaque is a major cause of cerebral ischemic attack. Triggering of sudden rupture is a result of unfavourable plaque morphology, and is also a result of local stress concentration acting on the plaque. Computational stress analysis on a realistic plaque model is an important tool to assess the vulnerability of plaque rupture. However, the accuracy of the stress analysis is heavily dependent on the accuracy of the 3D reconstruction of the plaque geometry. The derivation of accurate vessel geometries from medical imaging has proved to be difficult due to limited image spatial resolution (at about 0.3mm in-plane) and the lack of contrast between the plaque components.

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Kim, Se-Chang, Jae-Boong Choi et Nam-Su Huh. « Stress Intensity Factors of Pipe-In-Pipes With Circumferential Through-Wall Cracks Based on Elastic Finite Element Analyses ». Dans ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65646.

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Any defects and cracks in pipe-in-pipes (PIPs) applied to deep-water and harsh environment are potential threats that can cause terrible economic damage or environmental pollution as triggering failures. In the present study, stress intensity factors (SIFs) of PIPs with circumferential through-wall cracks (TWCs) were investigated via detailed 3-dimensional (3-D) elastic finite element (FE) analyses. In terms of the crack location, the cracks are postulated in the inner pipe which is considered as mainly important part to assess the integrity of PIPs. In the present FE analyses, the effects of cross-sectional shapes of both inner and outer pipes on the SIFs of PIPs were systematically evaluated. As for loading conditions, internal pressure, axial tension and bending moment were considered. The FE results of the SIFs of PIPs were also compared with the existing solution of single-walled pipes with circumferential TWCs to evaluate the restraint effect by the outer pipe on the SIFs of PIPs, where the dimensions of single-walled pipes are assumed to be identical to those of the inner pipe of PIPs.

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Rowland, Leah K., Lancelot S. McLean, Petreena Campbell, Cheri N. Watkins, Dain Zylstra, Louisa H. Amis, Maheswari Senthil et Eileen Brantley. « Abstract 2565 : Aryl hydrocarbon receptor agonist 5F 203 induces oxidative stress triggering DNA damage and cytoglobin up-regulation in human breast cancer cells ». Dans Proceedings : AACR 106th Annual Meeting 2015 ; April 18-22, 2015 ; Philadelphia, PA. American Association for Cancer Research, 2015. http://dx.doi.org/10.1158/1538-7445.am2015-2565.

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Rapports d'organisations sur le sujet "Stress triggering"

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Holland, Austin A. Microearthquake Study of the Salton Sea Geothermal Field, California : Evidence of Stress Triggering. Office of Scientific and Technical Information (OSTI), février 2002. http://dx.doi.org/10.2172/794327.

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Holland, Austin Adams. Microearthquake Study of the Salton Sea Geothermal Field, California : Evidence of Stress Triggering - Masters Thesis. Office of Scientific and Technical Information (OSTI), février 2002. http://dx.doi.org/10.2172/911410.

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Bent, A. L., et P. Voss. Seismicity in the Labrador-Baffin Seaway and surrounding onshore regions. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/321857.

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Studying earthquakes in Baffin Bay and the surrounding regions is challenging. There is no knowledge of earthquake activity in this region prior to 1933 when a moment magnitude (MW) 7.4 earthquake occurred in Baffin Bay. With improved instrumentation, increased seismograph coverage in the north, and modern analysis techniques, knowledge and understanding of earthquakes in the Baffin region is improving. Active seismic zones include Baffin Bay, the east coast of Baffin Island, and the Labrador Sea, separated by areas of low seismicity. Focal-mechanism solutions show a mix of faulting styles, predominantly strike-slip and thrust. Regional stress-axes orientations show more consistency, which suggests that activity is occurring on previously existing structures in response to the current stress field. There is little correlation between earthquake epicentres in Baffin Bay and mapped structures. Glacial isostatic adjustment may be a triggering mechanism for earthquakes in the Baffin region, but modelling efforts have yielded equivocal results.

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Narvaez, Liliana, et Caitlyn Eberle. Technical Report : Southern Madagascar food insecurity. United Nations University - Institute for Environment and Human Security (UNU-EHS), août 2022. http://dx.doi.org/10.53324/jvwr3574.

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Southern Madagascar’s worst drought in 40 years had devastating cumulative effects on harvest and livelihoods. On top of this, frequent sandstorms and pest infestations have led to severe stress on vegetation triggering a drastic decline in rice, maize and cassava production. These environmental aspects, combined with a lack of livelihood diversification and ongoing poverty, the presence of cattle raiders and restrictive government decisions, have driven the population of southern Madagascar to acute food insecurity conditions. By December 2021, more than 1.6 million people were estimated to have been suffering high levels of food insecurity. This case is an example of how multiple, complex environmental and social factors can combine to trigger a profound crisis in a territory, where vulnerable groups, such as children under five, tend to be particularly affected. Environmental degradation, together with socioeconomic and political dynamics are leaving vulnerable people even more exposed to food crises with few livelihood options or safety nets to cope with disasters. This technical background report for the 2021/2022 edition of the Interconnected Disaster Risks report analyses the root causes, drivers, impacts and potential solutions for the Southern Madagascar food insecurity through a forensic analysis of academic literature, media articles and expert interviews.

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Andrawes, Bassem, Ernesto Perez Claros et Zige Zhang. Bond Characteristics and Experimental Behavior of Textured Epoxy-coated Rebars Used in Concrete Bridge Decks. Illinois Center for Transportation, janvier 2022. http://dx.doi.org/10.36501/0197-9191/22-001.

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The deterioration of bridge decks is a problem typically associated with the corrosion of the reinforcing steel. This issue was partially controlled during the 1970s with the incorporation of the epoxy-coating protection system. However, research later demonstrated that the smooth surface resulting from the epoxy-coating application reduces most of the friction between the rebar and the surrounding concrete. Consequently, forces acting on the rib faces are reconfigured in such a way that the radial components increase, triggering the early development of cracks. To mitigate both the reduction of bonding and the formation of cracks, the Illinois Department of Transportation proposed a new type of coated bars: textured epoxy-coated (TEC) bars. Over the last few years, different projects have been executed to understand and improve the characteristics of TEC rebars. This report is a continuation of research performed at the University of Illinois Urbana-Champaign to evaluate the bond behavior of TEC bars. The experimental program starts by characterizing, qualitatively and quantitatively, the roughness of the TEC rebars. Next, their bond-slip interaction embedded in concrete is evaluated through pull-out tests. Finite element models of these tests are developed to validate the behavior observed as the textured reinforcement loses anchorage with concrete. Based on these results, the experimental program then aims to study the impact of the drying shrinkage, temperature change, and flexural demands on two large-scale bridge deck specimens reinforced, individually, with TEC and standard epoxy-coated bars. The results collected from both specimens using digital image correlation and strain gauges are compared to explore the differences exhibited by the traditional and the new type of reinforcement coatings in terms of stress distribution in bridge decks. Finally, given the specialized equipment and time-consuming procedure needed to calculate the roughness parameters of TEC bars, an empirical, weight-based approach is developed as a rapid method for assessing the rebars’ roughness on-site.

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Higuera Roa, Oscar, et Jack O'Connor. Technical Report : Hurricane Ida. United Nations University - Institute for Environment and Human Security (UNU-EHS), août 2022. http://dx.doi.org/10.53324/nyky2894.

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On 1 September 2021, remnants of Hurricane Ida, the costliest disaster of 2021, brought historic rainfall to New York City, triggering the city’s first-ever flash flood alerts as water flooded streets, subway stations and apartments. Many of the people that lost their lives in the floods lived in basement apartments, and the water management system was completely overwhelmed, indicating a pressing need for infrastructure improvements to prevent such a disaster from happening again. This technical background report for the 2021/2022 edition of the Interconnected Disaster Risks report analyses the root causes, drivers, impacts and potential solutions for Hurricane Ida through a forensic analysis of academic literature, media articles and expert interviews.

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Or, Etti, David Galbraith et Anne Fennell. Exploring mechanisms involved in grape bud dormancy : Large-scale analysis of expression reprogramming following controlled dormancy induction and dormancy release. United States Department of Agriculture, décembre 2002. http://dx.doi.org/10.32747/2002.7587232.bard.

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The timing of dormancy induction and release is very important to the economic production of table grape. Advances in manipulation of dormancy induction and dormancy release are dependent on the establishment of a comprehensive understanding of biological mechanisms involved in bud dormancy. To gain insight into these mechanisms we initiated the research that had two main objectives: A. Analyzing the expression profiles of large subsets of genes, following controlled dormancy induction and dormancy release, and assessing the role of known metabolic pathways, known regulatory genes and novel sequences involved in these processes B. Comparing expression profiles following the perception of various artificial as well as natural signals known to induce dormancy release, and searching for gene showing similar expression patterns, as candidates for further study of pathways having potential to play a central role in dormancy release. We first created targeted EST collections from V. vinifera and V. riparia mature buds. Clones were randomly selected from cDNA libraries prepared following controlled dormancy release and controlled dormancy induction and from respective controls. The entire collection (7920 vinifera and 1194 riparia clones) was sequenced and subjected to bioinformatics analysis, including clustering, annotations and GO classifications. PCR products from the entire collection were used for printing of cDNA microarrays. Bud tissue in general, and the dormant bud in particular, are under-represented within the grape EST database. Accordingly, 59% of the our vinifera EST collection, composed of 5516 unigenes, are not included within the current Vitis TIGR collection and about 22% of these transcripts bear no resemblance to any known plant transcript, corroborating the current need for our targeted EST collection and the bud specific cDNA array. Analysis of the V. riparia sequences yielded 814 unigenes, of which 140 are unique (keilin et al., manuscript, Appendix B). Results from computational expression profiling of the vinifera collection suggest that oxidative stress, calcium signaling, intracellular vesicle trafficking and anaerobic mode of carbohydrate metabolism play a role in the regulation and execution of grape-bud dormancy release. A comprehensive analysis confirmed the induction of transcription from several calcium–signaling related genes following HC treatment, and detected an inhibiting effect of calcium channel blocker and calcium chelator on HC-induced and chilling-induced bud break. It also detected the existence of HC-induced and calcium dependent protein phosphorylation activity. These data suggest, for the first time, that calcium signaling is involved in the mechanism of dormancy release (Pang et al., in preparation). We compared the effects of heat shock (HS) to those detected in buds following HC application and found that HS lead to earlier and higher bud break. We also demonstrated similar temporary reduction in catalase expression and temporary induction of ascorbate peroxidase, glutathione reductase, thioredoxin and glutathione S transferase expression following both treatments. These findings further support the assumption that temporary oxidative stress is part of the mechanism leading to bud break. The temporary induction of sucrose syntase, pyruvate decarboxylase and alcohol dehydrogenase indicate that temporary respiratory stress is developed and suggest that mitochondrial function may be of central importance for that mechanism. These finding, suggesting triggering of identical mechanisms by HS and HC, justified the comparison of expression profiles of HC and HS treated buds, as a tool for the identification of pathways with a central role in dormancy release (Halaly et al., in preparation). RNA samples from buds treated with HS, HC and water were hybridized with the cDNA arrays in an interconnected loop design. Differentially expressed genes from the were selected using R-language package from Bioconductor project called LIMMA and clones showing a significant change following both HS and HC treatments, compared to control, were selected for further analysis. A total of 1541 clones show significant induction, of which 37% have no hit or unknown function and the rest represent 661 genes with identified function. Similarly, out of 1452 clones showing significant reduction, only 53% of the clones have identified function and they represent 573 genes. The 661 induced genes are involved in 445 different molecular functions. About 90% of those functions were classified to 20 categories based on careful survey of the literature. Among other things, it appears that carbohydrate metabolism and mitochondrial function may be of central importance in the mechanism of dormancy release and studies in this direction are ongoing. Analysis of the reduced function is ongoing (Appendix A). A second set of hybridizations was carried out with RNA samples from buds exposed to short photoperiod, leading to induction of bud dormancy, and long photoperiod treatment, as control. Analysis indicated that 42 genes were significant difference between LD and SD and 11 of these were unique.

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