Дисертації з теми "Populism in art"
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1
Turvey, Gerry. "A painter for the people : Stanley Spencer, art, politics and populism." Thesis, University of East London, 1997. http://roar.uel.ac.uk/1243/.
Повний текст джерелаАнотація:
This thesis is a study of the paintings of Stanley Spencer (1891-1959) and is designed to challenge received accounts of his work. Its theoretical perspective is that of 'cultural materialism' and its purpose is to place Spencer and his pictures within the social, cultural and political history of their time. It begins by outlining the four critical constructions of 'Stanley Spencer' that it challenges and by describing Spencer's somewhat oppositional location in the institutional complex of the artistic field. Then, rather than adopt a conventional chronological narrative, sets of paintings are studied in relation to their social context or historical moment. Here, several fresh arguments are advanced about particular aspects of Spencer's work. Thus, features of his landscape output are interpreted as at odds with a mainstream tradition sponsoring dominant notions of 'Englishness'; his original and politically charged solution to the problem of representing industrial labour is discussed; he is claimed as a Realist painter and his role, alongside others, as a sympathetic investigator of everyday life is examined; the 'stoic response' to the First World War of Spencer and his peers is identified and differentiated from the 'traditionalist response' of the powerful and the better known 'radical response' of the war poets; his libertarian sexual politics is specified and the utopian dimension of his erotic pictures clarified; his paintings of Christ and resurrection are then placed in the context of radical Protestant traditions. Thus, rather than limiting itself to the biographical reductionism of earlier accounts or the narrower art-historical approach of more recent 'revisionist' writing, this study offers a way of understanding Spencer's work which emphasises its populist, radical and, in effect, political dimensions. His art emerges as a profoundly public one - offering ordinary life and experience as worthy of representation in forms aspiring to public display and soliciting a new reading practice from viewers confronting them.
2
Kenny, John. "The Chicano Mural Movement of the Southwest: Populist Public Art and Chicano Political Activism." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/492.
Повний текст джерелаАнотація:
This work examines an art movement that was a direct outgrowth of a populist civil rights movement of the late 1960’s in the Southwest United States. This art, the Chicano Murals created as part of el Movimiento in San Diego, California was intended primarily as a didactic communication medium to reach into the barrios and marginalized neighborhoods for the primary purpose of carrying a resistance message to the semiliterate mestizo population within. Its secondary purpose was to bring a message from within these minority neighborhoods outward to the privileged elite, both Anglo and Hispanic, that within the confines of the barrio there exists a culture and heritage that has value. The Chicano Murals were ubiquitous throughout the southwest United States with concentration of the art in those areas adjacent to the Mexican border. This work examines some of the murals, and the politics associated with their creation principally in San Diego, California, and some activities in Los Angeles, and Santa Fe, New Mexico. This dissertation posits that it has been well established that art in public space is often a contentious matter and when it also carries a contra message, as did the Chicano murals, it may be considered intrusive and abrasive. The social environment into which these murals were insinuated--the public sphere, the intellectual territory of high art and the elite system of private and government cultural patronage, are examined in the context of their effect upon the mural content and conversely, the effects of these murals upon diversity in the high art and museology of the United States.
3
LaVigna, Claire. "Anna Kuliscioff : from Russian populism to Italian socialism /." New York : Garland, 1991. http://catalogue.bnf.fr/ark:/12148/cb36662219x.
Повний текст джерела
4
Azri, Wassim. "Mécanismes moléculaires de la graviperception chez le peuplier (Populus tremula x Populus alba)." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2009. http://tel.archives-ouvertes.fr/tel-00725935.
Повний текст джерелаАнотація:
Le redressement du peuplier suite à une stimulation gravitationnelle implique un processus de courbure locale lié à une élongation différentielle dans les zones en croissance primaire et un processus de courbure lié à la différenciation du bois de réaction dans les zones en croissance secondaire. Ces modifications morphogénétiques sont détectées au niveau de la région basale et apicale de la tige de peuplier inclinée. La région basale a développé le bois de tension une semaine après l'inclinaison, alors que la région apicale est réorientée 24 h après l'inclinaison. Ceci implique que les tissus de la région basale et apicale de la tige répondent de façon différente à l'inclinaison. Une étude d'expression menée au niveau du transcriptome a été réalisée à partir des ARNm extraits de tiges ayant été ou non inclinées pendant 45 min. En 45 min., la plante ne s'est pas redressée, mais a perçu le signal. Cette approche a permis d'identifier des transcrits de gènes impliqués dans la graviperception. L'étude de la régulation du transcriptome a été élargie par une analyse de la variation de l'accumulation des protéines extraites de tiges inclinées ou non. Les profils d'électrophorèse bidimensionnelle des conditions non stressées et stressées de la région basale et apicale ont montré une variation dans l'accumulation des protéines. Une analyse par RT-PCR quantitative de certaines protéines différentielles dont l'activité est potentiellement régulée par la thioredoxine (Trx) montre une accumulation de transcrits variable entre la région apicale et basale et des changements d'expression rapides et transitoires. Une étude complémentaire sur 2 thiorédoxines (Trx) (western blot, immunolocalisation in situ) a permis de montrer d'une part l'expression de Trx h1 une semaine après l'inclinaison et d'autre part la localisation de Trx h1 et Trx h2 au niveau des amyloplastes. L'ensemble de ces résultats a conduit à suggérer que les évènements moléculaires conduisant à la réorientation de la tige sont différents selon le tissu analysé. Probablement, chaque partie de la tige reçoit et répond différemment au signal gravité.
5
Azri, Wassim. "Mécanismes moléculaires de la graviperception chez le peuplier (Populus tremula x Populus alba)." Phd thesis, Clermont-Ferrand 2, 2009. http://www.theses.fr/2009CLF21915.
Повний текст джерелаАнотація:
Le redressement du peuplier suite à une stimulation gravitationnelle implique un processus de courbure locale lié à une élongation différentielle dans les zones en croissance primaire et un processus de courbure lié à la différenciation du bois de réaction dans les zones en croissance secondaire. Ces modifications morphogénétiques sont détectées au niveau de la région basale et apicale de la tige de peuplier inclinée. La région basale a développé le bois de tension une semaine après l'inclinaison, alors que la région apicale est réorientée 24 h après l'inclinaison. Ceci implique que les tissus de la région basale et apicale de la tige répondent de façon différente à l'inclinaison. Une étude d'expression menée au niveau du transcriptome a été réalisée à partir des ARNm extraits de tiges ayant été ou non inclinées pendant 45 min. En 45 min. , la plante ne s'est pas redressée, mais a perçu le signal. Cette approche a permis d'identifier des transcrits de gènes impliqués dans la graviperception. L'étude de la régulation du transcriptome a été élargie par une analyse de la variation de l'accumulation des protéines extraites de tiges inclinées ou non. Les profils d'électrophorèse bidimensionnelle des conditions non stressées et stressées de la région basale et apicale ont montré une variation dans l'accumulation des protéines. Une analyse par RT-PCR quantitative de certaines protéines différentielles dont l'activité est potentiellement régulée par la thioredoxine (Trx) montre une accumulation de transcrits variable entre la région apicale et basale et des changements d'expression rapides et transitoires. Une étude complémentaire sur 2 thiorédoxines (Trx) (western blot, immunolocalisation in situ) a permis de montrer d'une part l'expression de Trx h1 une semaine après l'inclinaison et d'autre part la localisation de Trx h1 et Trx h2 au niveau des amyloplastes. L'ensemble de ces résultats a conduit à suggérer que les évènements moléculaires conduisant à la réorientation de la tige sont différents selon le tissu analysé. Probablement, chaque partie de la tige reçoit et répond différemment au signal gravité
6
Heine, Martin. "VERSUS THE VOX POPULI Reflections on the practice of art as a quest for liberation." University of Sydney. Sydney College of the Fine Arts, 2004. http://hdl.handle.net/2123/640.
Повний текст джерелаАнотація:
This dissertation is an attempt to define the constellation of circumstances and ideas, which has determined my strategy in the paintings and performances submitted for examination. Unlike many artists I do not accept the fact of postmodernity. On the contrary, art and life remain suspended between the future and the past, the essential modernist condition. I argue for this in the introduction and the first two chapters, through a description of the performance work of Joseph Beuys and on my reaction to it in a performance in which I attempted to examine the practical paradoxes of art making in late modernity. I take my position largely from the Frankfurt school and succeeding debates about their work up to Zizek. For, while we remain in modernity we cannot regard it simply as an unfinished project. It is no longer possible to adopt an avant-garde position in one�s practice. The central section of the thesis contains a series of studies of the careers of major artists who have faced up to the paradoxes of modernity from Picasso to Richter and Parr. Through their successes, failures and sometimes duplicity, a practical profile emerges � a guide to the limits of contemporary practice. The last chapter concerns my paintings as a response to this profile.
7
Heine, Martin Alfons. "Versus the vox populi reflections on the practice of art as a quest for liberation /." Connect to full text, 2003. http://hdl.handle.net/2123/640.
Повний текст джерелаАнотація:
Thesis (Ph. D.)--University of Sydney, 2004.Title from title screen (viewed 5 May 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the Sydney College of the Arts. Degree awarded 2004; thesis submitted 2003. Includes bibliographical references. Also available in print form.
8
Bauhs, James Anthony. "George Orwell As Social Conservative: Populism, Pessimism, and Nationalism in an Organic Community, 1934-43." Thesis, University of North Texas, 1995. https://digital.library.unt.edu/ark:/67531/metadc278361/.
Повний текст джерелаАнотація:
This thesis argues that a socially conservative tendency informed much of George Orwell's commentary between 1934 and 1943, and that the same tendency reflected a general European trend. The main sources of this thesis are a large selection of George Orwell's works and a smaller selection of works by Frantz Fanon, Jose Ortega y Gasset, and Antonio Gramsci. This thesis relies upon Orwell's involvement in the Spanish Civil War between 1936 and 1937 and his embrace of nationalism in 1940 as major organizational points of reference. This thesis concludes that Orwell's commentary was an example of a general European conservative reaction against Marxist-Leninist thought.
9
Gaget, Mireille. "Incompatibilité interspécifique chez Populus effet Mentor /." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376137487.
Повний текст джерела
10
Carawan, James T. (James Terry). "Populism and the Poll Tax: the Politics and Propaganda of Suffrage Restriction in North Texas, 1892-1904." Thesis, University of North Texas, 1997. https://digital.library.unt.edu/ark:/67531/metadc278757/.
Повний текст джерелаАнотація:
This thesis challenges the traditional interpretation of the history of Populism in America through the use of an intensive regional study. Using precinct-level returns, this thesis proves that, contrary to the conclusions of more general studies, voters from predominately Populist areas in North Texas did not support the poll tax amendment that passed in November 1902. The Populists within this region demonstrated their frustration and distrust of the political process by leaving the polls in higher percentages than other voters between 1896 and 1902. The Populists that did participate in 1902 reentered the Democratic Party but did not support the poll tax, which was a major plank within the Democratic platform. This thesis also proves that the poll tax had a significant effect in reducing the electorate in North Texas.
11
Smooke, Sean A. "Truman - Trump, why are there inconsistencies in presidential policy towards Israel?" Scholarship @ Claremont, 2019. https://scholarship.claremont.edu/cmc_theses/2238.
Повний текст джерелаАнотація:
This paper will analyze the variations in presidential policy towards the state of Israel. The main objective is to assess why and how presidents have differed since the Truman presidency. The presidents observed have a certain degree of variation and this variation has little to do with party identification. The foreign policy was mainly crafted to respond to communist expansion, the development of terrorism, pressure from American Jews, and the president’s personal connection with people of the Jewish faith.
12
Villar, Marc. "Incompatibilité interspécifique chez Populus approches physiologique et biochimique /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376106080.
Повний текст джерела
13
Grelle, Gérard. "L'Evolution idéologique du parti chrétien-social au parti populiste autrichien." Lille 3 : ANRT, 1989. http://catalogue.bnf.fr/ark:/12148/cb37613970z.
Повний текст джерела
14
Tajik, Mattias, and Claes Kock. "Immigration and competition : Are low- and medium-skilled native Swedes more likely to support the Sweden Democrats when there is an influx of immigrants, compared to high-skilled native Swedes?" Thesis, Uppsala universitet, Statistiska institutionen, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-412509.
Повний текст джерелаАнотація:
The Sweden Democrats have gained considerable political success in recent years, as have many other right-wing populist parties in the West. We theorize that the economically weakest and least educated parts of native society are the ones who experience, real or imagined, the most pressure and competition from immigration. Skill level is divided into three different categories, depending on education. These are "low-skill", "medium-skill" and "high-skill". We expect that immigration should make the low-skilled and medium-skilled more prone to vote for the SD, when compared to the high-skilled natives. We use survey data from the SOM institute of Gothenburg University, as well as municipal data from Statistics Sweden, to test the hypothesis. Our results seem to show that the support for the SD among low-skilled natives increases when immigration increases, compared to high-skilled natives. No such effect is observed for the medium-skilled natives.
15
Dyer, Andrew. "Can Charters of Rights Limit Penal Populism? Irreducible Life Sentences, Disproportionate Sentences and Preventive Detention in Australia and under the Human Rights Act 1998 (UK) & the European Convention on Human Rights." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/24593.
Повний текст джерелаАнотація:
In this thesis, I argue that human rights charters can improve protections for criminal offenders against penal populist laws that objectify and exclude them. In cases where such laws have been challenged on separation of powers or other grounds in Australia, the Courts have frequently used highly formalistic and unpersuasive reasoning when declining to intervene. On the other hand, in cases where prisoners have alleged that were being punished incompatibly with the European Convention on Human Rights, the UK judges and the judges of the European Court of Human Rights (‘ECtHR’) – particularly the latter – have adopted a more assertive approach. In so doing, they have interpreted Convention rights as they should: they have sought to place liberal constraints on democratic action, while also being careful not to move too far ahead of the popular will. However, recent charter overrides in the Australian State of Victoria – and Westminster’s hostility to the ECtHR’s decisions in the prisoner voting case of Hirst (No 2) v United Kingdom [2005] IX Eur Court HR and the irreducible life sentence case of Vinter v United Kingdom [2013] III Eur Court HR 317 – do show that ‘weak-form’ charters will not necessarily grant prisoners all of the benefits that the judiciary would confer on them. Nor would ‘strong-form’ charters certainly do a better job. This does not make human rights charters futile. It simply means that, while such charters can improve the position of prisoners, the extent to which they will do so depends on all the circumstances – including charter design and the political culture in the relevant jurisdiction.
16
Selberg, Simon. "Saproxylic beetles in Populus tremula fauna depots - how do you construct the best depot?" Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-383862.
Повний текст джерелаАнотація:
The biodiversity of saproxylic organisms and in the case of this study, saproxylic beetles, is dependent on the amount and quality of course woody debris (CWD) in the environment. Over the past decades the quantity of CWD in Swedish forests has increased, yet the quality has decreased, forests are managed and exploited, and old-growth forests are rarer. To counteract this, fauna depots, artificial piles of dead wood, can be placed to increase the amount and quality of habitat for saproxylic organisms. This study measured fauna depots of aspen CWD placed in Uppsala municipality to find which combination of qualities resulted in the highest species richness and abundance (diversity). A total of 242 beetles across 26 species were sampled using a bark sifter and Tullgren extraction funnels. The CWD qualities; number of logs, log diameter, sun exposure and decomposition level were measured. Log diameter was confirmed to be positively correlated with species richness supporting previous research. Decomposition was also positively correlated with species richness, but this not supported by previous research. Some qualities, like sun exposure, were unexpectedly not correlated and number of logs was negatively correlated. Only one red-listed species was found across all samples. Overall results were somewhat inconclusive but provide hints towards better practice in saproxylic beetle conservation, such as placing larger logs in the depots.
17
Bachl, Anette. "Biochemische Charakterisierung der Isoprensynthase aus der Graupappel (Populus x canescens (Ait.) Sm.) und ihre Expression in Arabidopsis thaliana L." Karlsruhe : Forschungszentrum Karlsruhe GmbH, 2005. http://www.gbv.de/dms/bs/toc/487225902.pdf.
Повний текст джерела
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Giessen, Hans W. "Zeitgeist populär, seine Darstellung in deutschsprachigen postmodernen Songtexten bis 1989 /." St. Ingbert : W. J. Röhrig, 1992. http://catalogue.bnf.fr/ark:/12148/cb35647417f.
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19
Helbig, Marlen [Verfasser], and Jörg [Akademischer Betreuer] Fromm. "Einflüsse von erhöhtem CO2 und Trockenstress auf Physiologie und Anatomie von Populus x canescens (Ait) und Fagus sylvatica (L.) / Marlen Helbig. Betreuer: Jörg Fromm." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2012. http://d-nb.info/1030365652/34.
Повний текст джерела
20
Pardo, Victoria Elizabeth. "Aplicación de la herramienta EX -ACT para el cálculo del balance de carbono en un proyecto de incremento de la superficie forestal en la provincia de Mendoza mediante el uso de cortinas forestales en los cultivos de vid." Bachelor's thesis, Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias, 2014. http://bdigital.uncu.edu.ar/6049.
Повний текст джерелаАнотація:
El presente trabajo tiene como objetivo principal la aplicación de la herramienta de balance de Carbono (EX –ACT, FAO 2012), cuyo fin es proporcionar estimaciones ex-ante sobre el impacto de la mitigación de proyectos de desarrollo agrícolas o forestales, estimando el balance de Carbono (C) neto proveniente de las emisiones de gases de efecto invernadero (GEI) y de la secuestración de C. Para esto se utilizó como área de estudio la superficie cultivada con vid dentro de los oasis de regadío de la provincia de Mendoza y una propuesta de proyecto que consiste en aumentar la superficie de cultivo forestal de álamos como cortinas cortavientos acompañando los cultivos de vid.
La herramienta muestra que en las condiciones actuales, con el tipo de manejo que se realiza sobre el cultivo de vid, este en su conjunto es una fuente de gases de efecto invernadero, a pesar de ser vegetación. Dicho resultado es producto del número y la cantidad de insumos utilizados en el manejo convencional de la vid.
Cuando se integra a esta situación la propuesta del cultivo de álamos, el resultado final cambia, pasando a ser el sistema en su conjunto, un sumidero de gases de efecto invernadero. La razón principal del cambio es que el aumento de superficie forestal tiene un bajo consumo de insumos generadores de emisiones, lo cual hace que disminuya la cantidad de insumos por hectárea de cultivo.
En vistas de los resultados se considera que la viabilidad del proyecto se dará siempre y cuando existan cambios a nivel provincial que permitan, por ejemplo hacer más eficiente la distribución de agua para poder hacer uso de la misma en mayor superficie de cultivos.Fil: Pardo, Victoria Elizabeth. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias.
21
Bachl, Anette [Verfasser], and Ulf-Ingo [Akademischer Betreuer] Flügge. "Biochemische Charakterisierung der Isoprensynthase aus der Graupappel (Populus x canescens (Ait.) Sm.) und ihre Expression in Arabidopsis thaliana L. / Anette Bachl. Gutachter: Ulf-Ingo Flügge." Köln : Universitäts- und Stadtbibliothek Köln, 2005. http://d-nb.info/1037695534/34.
Повний текст джерела
22
Bachl, Anette [Verfasser]. "Biochemische Charakterisierung der Isoprensynthase aus der Graupappel (Populus x canescens (Ait.) Sm.) und ihre Expression in Arabidopsis thaliana L. / Forschungszentrum Karlsruhe GmbH, Karlsruhe. Anette Bachl." Karlsruhe : FZKA, 2005. http://d-nb.info/975445219/34.
Повний текст джерела
23
Faivre, Rampant Patricia. "Reconnaissance d'especes, de clones et d'hybrides de peupliers grace au polymorphisme des genes nucleaires codant pour les arn ribosomiques : hypotheses sur l'evolution du genre populus." Clermont-Ferrand 2, 1992. http://www.theses.fr/1992CLF21400.
Повний текст джерелаАнотація:
Les cartes physiques des unites d'adnr de 10 especes de peuplier et une espece de saule ont ete construites pour les enzymes ecori, bamhi, psti, ecorv, xhoi et saci. Nous avons mis en evidence 28 types d'unites. Les sites de restriction et la position de ceux-ci dans les regions codantes sont identiques pour toutes les especes de la famille des salicacees. La variabilite entre les types est trouvee dans l'espaceur intergenique. Pour un type il existe des variations de longueur dues a des additions de sous-unites de 400 pb dans l'igs. Un type d'unite majeur est trouve chez p. Nigra, p. Deltoides, p. Maximowiczii et les leuce et au moins 2 chez p. Fremontii, p. Balsamifera et p. Lasiocarpa. Tous les clones d'une espece portent les memes types d'unite majeurs mais se differencient par des variants de longueur. La reconnaissance des especes de peupliers est realisee grace aux fragments majeurs d'adnr generes par ecori, ecorv, pstli et saci. Si ces enzymes permettent la differenciation des especes, en revanche ils ne permettent pas de retrouver la classification taxinomique. Les especes, l'une americaine, l'autre eurasiatique, appartenant a la meme section se differencient facilement par leurs profils enzymatiques, alors que des especes comme p. Fremontii et p. Balsamifera, p. Deltoides, p. Alba et p. Tremula qui appartiennent a des sections differentes se distinguent difficilement. L'arbre phylogenetique des 28 types d'unites conduit a des classes d'especes appartenant a plusieurs sections. La contradiction avec les groupes taxinomiques a pu etre levee en supposant que de 3 loci d'adnr existaient chez l'ancetre commun des salicacees. Ces trois loci proviennent de duplications successives d'un locus ancestral. Depuis, a chaque locus, les types d'unites ont evolue independamment mais de facon concertee dans chaque genome d'une espece puisque leur nombre est constant. Les adnr sont des marqueurs codominants qui permettent de detecter les formes hybrides identifiant les especes parentales par la presence des fragments majeurs specifiques a chaque espece. Les clones hybrides sont differencies par leur profil des fragments mineurs alors que les fragments majeurs sont identiques
24
Navaud, Olivier. "Analyse évolutive et fonctionnelle d’une famille de facteurs de transcription à domaine TCP chez les plantes." Toulouse 3, 2007. http://www.theses.fr/2007TOU30027.
Повний текст джерелаАнотація:
Les protéines TCP constituent une famille de facteurs de transcription spécifiques des végétaux impliqués dans la régulation de la morphologie des plantes. Ce travail a pour objectif d'étudier l'évolution et la fonction de ces protéines. Dans la première partie, une étude structurelle et évolutive de la famille TCP permet de dater l'apparition de la famille avant la divergence du groupe d'algues des Zygnémophytes, il y a entre 650 et 800 millions d'années et indique une expansion permanente de la famille TCP au cours de l'évolution des Phragmoplastophytes. Dans la seconde partie, une analyse fonctionnelle in planta du gène AtTCP9 d'Arabidopsis a été entreprise. Le gène rapporteur de la glucuronidase (GUS) en fusion transcriptionnelle avec le promoteur d'AtTCP9 s'exprime tout au long du développement de la plante, majoritairement dans les vaisseaux. La protéine AtTCP9 est détectée par western dans les feuilles et les fleurs d'Arabidopsis mais pas dans les siliques. La caractérisation de mutants d'insertion ainsi que l'analyse de plantes transformées avec des fusions AtTCP9-domaine répresseur (EAR) ou activateur (VP16) sous contrôle d'un promoteur inductible (XVE) n'ont pas permis d'identifier de fonction mais suggèrent l'intervention d'une régulation post-transcriptionnelle de l'expression de AtTCP9. Un ARN antisens naturel (cis-NAT: cis-Natural Antisense Transcript) codé au même locus qu'AtTCP9 ainsi qu'un siRNA (small interfering RNA) correspondant à ce locus ont été caractérisés. Les résultats préliminaires semblent indiquer une possible régulation par inhibition traductionnelle d'AtTCP9 dans les siliques ainsi que l'existence d'un mécanisme de régulation inhabituel par un NAT et un siRNATCP proteins are plant-specific transcription factors involved in plant morphogenesis control. The objective of this work was to determine the evolution and the function of the TCP family transcription factors. In the first part, we made a structural and evolutionary study of the TCP family that indicated appearance of the family before the divergence of Charophytes, 650 to 800 mya. Phylogenetics indicated permanent expansion of the family during the evolution of the Phragmoplastophytes. In the second part, we undertook a functional study of a TCP Arabidopsis thaliana gene (AtTCP9). Plants bearing transcriptional fusion between AtTCP9 promoter and GUS reporter gene revealed an expression during the plant growth, especially in the vasculature. AtTCP9 protein was detected by western in leaves and flowers but not in siliques. Analysis of insertion mutant lines and plants bearing chimeric fusions between AtTCP9 and a repressor (EAR) or an activator (VP16) domain, under control of an inducible promoter (XVE) didn't allow us to identify the function of this gene, but the results suggest the involvement of a post-transcriptional regulation on AtTCP9. A Natural Antisense Transcript expressed at the same locus than AtTCP9 (cis-NAT) and an associated small interfering RNA (siRNA) were characterised. Preliminary results seem to indicate a translational inhibition of AtTCP9 in siliques and an unusual mechanism of regulation involving a NAT and a siRNA
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de, Lacaze Michaela Norah. "Populist Counter-Spectacles and the Inception of Mass Media Art in Argentina: Marta Minujín’s Happenings, Performances, and Environments of the 1960s." Thesis, 2019. https://doi.org/10.7916/d8-c5nx-5595.
Повний текст джерелаАнотація:
This monographic dissertation traces the development of happenings and mass media art in Argentina through the works that Argentine artist Marta Minujín created between 1961 and 1968. It argues that, in its unparalleled pursuit of a mass audience, Minujín’s art articulated a populist logic that allowed it to subvert authoritarianism in an oblique manner based in dissensus. This distinguished Minujín’s practice from that of other politically radicalized Argentine artists, who had turned their art into a form of activism and overt critique of the dictatorship of General Onganía. This dissertation also demonstrates that Minujín’s media-centric happenings and environments adopted a carnivalesque strategy of “positive negation” or ambiguous mimetic excess to reveal and critique the effects of an incipient spectacle culture.
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Von, Wittgenstein Neil Joseph Jude Baron. "Nitrogen transporters: comparative genomics, transport activity, and gene expression of NRTs and AMTs in Black Cottonwood (Populus trichocarpa)." Thesis, 2013. http://hdl.handle.net/1828/4533.
Повний текст джерелаАнотація:
Black Cottonwood (Populus trichocarpa) is a fast-growing, economically important tree species. P. trichocarpa was the first tree to have its genome fully sequenced and is considered the model organism for genomic research in trees. Of the macronutrients in plants, Nitrogen (N) is required in the greatest amounts and is generally the limiting nutrient in terrestrial ecosystems. Inorganic N-transport is performed by four families of transporter proteins, AMT1 and AMT2 for ammonium (NH4+) and NRT1 and NRT2 for nitrate (NO3-). I have created phylogenetic reconstructions of each of these transporter families in 22 members of Viridiplantae whose genomes have been fully sequenced. Based on these phylogenies, I have introduced a new classification system for the transporter families that better represents the evolutionary and functional relatedness of the proteins. These phylogenies were supplemented with topology predictions, subcellular localization predictions, and in silico expression profiling in order to suggest functional characterization of the groups. This facilitated candidate gene selection for NH4+ and NO3- uptake transporters from P. trichocarpa. Expression profiling was performed on two of these candidates. Results suggest that PtAMT1-1 may be a high-affinity, root-localized NH4+ transporter. In contrast, PtNRT2-6 is a high-affinity NO3- transporter localized to the dormant bud, but its physiological functions remain largely enigmatic. Flux profiles of NH4+, NO3-, and H+ in the first 1.4 cm of root tips of three-week-old P. trichocarpa seedlings and cuttings were measured using the Microelectrode Ion Flux mEasurement (MIFE) system to demonstrate the activity of AMTs and NRTs under nutrient-abundant and nutrient-deficient conditions. I found mainly N-efflux from roots of cuttings while seedling roots exhibited N-uptake. This is the first report of such a difference. This highlights an unexpected but clear physiological difference between seedling and cutting roots, which are frequently used in experimental setups.Graduate
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