Littérature scientifique sur le sujet « Plant microbiology »

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Articles de revues sur le sujet "Plant microbiology"

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Boa, Eric. « Aerial Plant Surface Microbiology ». Plant Pathology 47, no 4 (août 1998) : 541. http://dx.doi.org/10.1046/j.1365-3059.1998.0223f.x.

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Beczner, J., et I. Bata-Vidács. « Microbiology of plant foods and related aspects ». Acta Alimentaria 38, Supplement-1 (1 novembre 2009) : 99–115. http://dx.doi.org/10.1556/aalim.38.suppl.7.

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Vegetables and fruits are staple food for the human mankind, and they are also considered as the symbol of healthy nutrition. They are consumed fresh and cooked, in salad mixes, freshly pressed, fermented, minimally processed form, stored under different conditions, etc. Since they are in close contact with the environment, natural or artificial, and have a natural microbiota on their surface highly variable as a function of the surrounding, they are prone to get contaminated with human pathogens, too. More attention is paid to the food-borne outbreaks in the last 10 years related to the consumption of contaminated plant foods, and it is also in the focus of our interest. The main activities of the Unit cover the following areas: microbial contamination of fruits and vegetables, also in relation to the soil, the methods of cell count reduction using also non-thermal methods, the biofilm formation and the response ofBacillus cereusto the technological stresses.
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Bunt, J. S. « Marine microbiology ». Aquatic Botany 36, no 1 (décembre 1989) : 103–5. http://dx.doi.org/10.1016/0304-3770(89)90098-3.

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Wetzei, Robert G. « Aquatic microbiology ». Aquatic Botany 44, no 4 (février 1993) : 411–12. http://dx.doi.org/10.1016/0304-3770(93)90081-7.

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Thomsen, Helge Abildhauge. « Antarctic Microbiology ». Phycologia 33, no 6 (novembre 1994) : 479–80. http://dx.doi.org/10.2216/i0031-8884-33-6-479.1.

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Bandopadhyay, Sandip. « Application of Plant Growth Promoting Bacillus thuringiensis as Biofertilizer on Abelmoschus esculentus Plants under Field Condition ». Journal of Pure and Applied Microbiology 14, no 2 (7 mai 2020) : 1287–94. http://dx.doi.org/10.22207/jpam.14.2.24.

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Jones, J. Gwynfryn, et G. Rheinheimer. « Aquatic Microbiology. » Journal of Ecology 74, no 3 (septembre 1986) : 911. http://dx.doi.org/10.2307/2260413.

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Harborne, Jeffrey B. « Pigment microbiology ». Phytochemistry 33, no 4 (juillet 1993) : 949. http://dx.doi.org/10.1016/0031-9422(93)85316-j.

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VAN DONKERSGOED, JOYCE, KLAUS W. F. JERICHO, HEIDI GROGAN et BEN THORLAKSON. « Preslaughter Hide Status of Cattle and the Microbiology of Carcasses ». Journal of Food Protection 60, no 12 (1 décembre 1997) : 1502–8. http://dx.doi.org/10.4315/0362-028x-60.12.1502.

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An assessment was made of the association between tag (mud, bedding, and manure) attached to hides of beef cattle at slaughter and bacterial deposition on carcasses. A total of 624 carcasses from 52 lots of cattle in southern Alberta from January to June 1996 were studied at a high-line-speed abattoir (HLSP) which processed 285 carcasses per h and at a slow-line-speed abattoir (SLSP) which processed 135 carcasses per h. Tag was quantitatively assessed on the belly, legs, and sides of 12 carcasses per lot by the same project worker (lot tag score) and for each incoming lot of cattle by plant personnel (plant lot tag score). Swabs (approximately 10 by 10 cm) were taken from the medial rump and sacrum immediately after hide removal and from the brisket and top of shoulder after carcass splitting. These samples were pooled for each carcass and aerobic mesophilic bacteria, coliforms, and Escherichia coli were enumerated. The lot bacterial count was calculated by averaging the individual bacterial results of the 12 carcasses in a lot. At the HLSP, the lot side scores and the plant lot tag scores were negatively associated (P < 0.05) with the aerobic bacteria, coliforms, and E. coli. Counts were lower when tag was shaven off of the hides or when the line speed was slowed, but the reductions in counts were less than 0.5 log10/cm2. At the SLSP, the lot belly score was negatively associated (P < 0.003) with the aerobic bacterial counts. Neither the lot tag score nor the plant lot tag score were associated (P > 0.05) with the bacterial counts. Surface wetness of the hides was weakly (P < 0.05) associated with coli forms and E. coli counts. This study indicates that there is no consistent association between lot tag scores, plant lot tag scores, and bacterial contamination of carcasses. Changes in bacterial counts when associated with lot tag scores, plant lot tag scores, surface wetness of hides, line speed, or shaving off of tag were generally less than 0.5 log10/cm2. Thus, these variables are individually assessed as control points, but not critical control points of HACCP plans for the prevailing beef slaughter processes (including line speed adjustment at the HLSP) at the two plants studied.
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Matt Blois. « Wacker plans US silicone plant ». C&EN Global Enterprise 100, no 27 (8 août 2022) : 13. http://dx.doi.org/10.1021/cen-10027-buscon8.

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Thèses sur le sujet "Plant microbiology"

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Kemp, Harley. « Investigating the effect of plant amino acid transporters AtAAP1 and AtAAP2 on aphid-plant interactions ». Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/3169/.

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A model system of Myzus persicae, Brevicoryne brassicae and Arabidopsis thaliana was used to investigate the effect of loss of function mutations in the plant amino acid transporter genes, AtAAP1 (Accession number: At1g58360) and AtAAP2 (Accession number: At5g09220). Homozygous mutant lines for each transporter were screened for phenotypic changes. Silique numbers and total silique seed mass were reduced for both aap1 and aap2 plants in comparison to wildtype plants (p < 0.05). Individual seed weight was also significantly reduced in aap2 plants (p < 0.05). Aphid probing behaviour, measured using EPG, indicated both aphid species took significantly longer attempting to locate a sieve element and reach sustained E2 feeding when on aap1 and aap2 plants (p < 0.05). The rate of aphid feeding was also significantly slower for both aphid species feeding on aap1 and aap2 (p < 0.05). M. persicae and B. brassicae feeding on aap1 and aap2 exhibited no change in aphid performance when compared to aphids on control plants (p > 0.05). Following antibiotic elimination of aphid symbionts in both species, aposymbiotic aphids were found to grow significantly slower on aap1 and aap2 plants in comparison with aposymbiotic aphids feeding on control plants (p < 0.005).
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Brown, Vanessa Ruth. « The microbiology of an activated sludge plant involved in the treatment of xenobiotic compounds ». Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328895.

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Bramwell, Penny. « The characterisation and detection of plant pathogenic streptomycetes in the natural environment ». Thesis, University of Warwick, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357811.

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Ramana, Sundara Venkata. « Dynamic rheological measurements in heated plant tissue ». Thesis, University of Nottingham, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314749.

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Breeze, Emily. « Action of the AtNF-Y transcription factors in plant stress responses ». Thesis, University of Warwick, 2014. http://wrap.warwick.ac.uk/65752/.

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Plants have evolved complex and highly regulated stress response mechanisms which elicit major transcriptional reprogramming to mitigate stress. Examination and network inference modelling of high resolution temporal transcriptomic datasets across a range of biotic and abiotic stresses, identified the AtNF-Y transcription factor (TF) family as important regulators of stress responses based on their differential expression patterns and high connectivity in gene regulatory networks (GRNs). In plants, each subunit of the heterotrimeric NF-Y complex is encoded by a multigene family; such extensive combinatorial diversity likely evolved to facilitate transcriptional fine-tuning. A comprehensive investigation into the formation of protein-protein interactions amongst all family members, revealed a widespread ability of AtNF-YB and AtNF-YC subunits to heterodimerise, and also identified interactions between AtNF-YA subunits and a subset of AtNF-YCs expressed during stress conditions. Detailed functional analysis of loss- and gain-of-function mutants in five AtNF-Ys identified partially overlapping roles for AtNF-YA2, AtNF-YA4 and AtNF-YA7 in jasmonic acid(JA)-/ abscisic acid (ABA)-mediated signalling, and enabled the generation of local GRNs centred around each AtNF-Y. A promoter fragment from the JA-biosynthetic gene LIPOXYGENASE3, bound five AtNF-YC subunits in yeast one-hybrid assays, implicating AtNF-Y TF complexes in the regulation of this gene and hence, JA biosynthesis. Stable lines of epitope-tagged translational fusions were generated for one of these subunits, AtNF-YC2, and co-immunoprecipitation of the tagged protein complex in vivo successfully identified AtNF-YB2 as an interacting protein. Investigation of the LIPOXYGENASE3 promoter architecture revealed a requirement for two discrete cis-elements for effective AtNF-Y binding, suggesting that cooperative interactions between NF-Y complexes, and conceivably other TFs, are an important mechanism in their transcriptional regulation, with NF-Ys potentially functioning as pioneer TFs.
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Tetlow, Mary Louise. « The role of pathogen effector proteins in altering host plant transcription ». Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/80228/.

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Plant pathogens secrete effector proteins in order to overcome immunity in plants stimulated by common microbial patterns. The genomes of oomycete pathogens including Hyaloperonospora arabidopsidis (Hpa) are predicted to contain a large number of effectors. These experiments focussed on characterising an interaction between predicted Hpa effector HaRxL14 and Arabidopsis protein phosphatase type-2CA (PP2CA), which functions as a co-receptor in response to the phytohormone abscisic acid (ABA). This interaction was previously identified in a yeast two-hybrid screen. Bimolecular fluorescence complementation experiments verified an interaction in the nucleus. Over-expression of the effector in planta enhances susceptibility of Arabidopsis to Hpa, although knocking-out PP2CA in the host did not have a clear effect on infection. Furthermore, a potential role for the interaction in enhancing host signalling associated with ABA was highlighted from microarray analysis of Arabidopsis lines over-expressing the effector. The up-regulation of various ABA-related genes supports previous findings that ABA may disrupt host response to biotrophic pathogens. Furthermore, it was hypothesised that phytohormones including jasmonic acid (JA), ABA, and salicylic acid (SA) could have a role in coordinating host transcription at the level of chromosome conformation. Progress was made towards optimising a method for use with Arabidopsis related to chromosome conformation capture (3C). These experiments began to examine the spatial interactions of JA-induced genes in Arabidopsis. This method could be used to determine if related genes co-localise at specialised transcription factories. These transcription factories have previously been studied in other models including mammals, although their potential role in plants is currently not well understood. Overall, a Hpa effector was shown to interact with host protein PP2CA potentially to up-regulate ABA-related genes. It remains to be established if phytohormones have a role in coordinating transcription through manipulating spatial interactions of genes.
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Hurlburt, Allison L. « Molecular Padlock Assay of Crude Plant Leaf Extracts for Detection of Listeria Monocytogenes ». Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/HurlburtAL2003.pdf.

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Lynch, Ryan P. « Controlling Soilborne Diseases of Potato and Influencing Soil Microbiology with Brassica Cover Crops ». Fogler Library, University of Maine, 2008. http://www.library.umaine.edu/theses/pdf/LynchRP2008.pdf.

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Hill, Gemma. « Investigating wastewater treatment plant impact on antibiotic resistance within UK river systems ». Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/88822/.

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Antimicrobial resistance (AMR) presents one of the most important threats to human health of the 21st century. The recent report on AMR predicted that by 2050 10 million deaths a year will be directly attributable to AMR bacterial infections. The dissemination of antibiotic resistance genes (ARG) in to the environment has previously been highlighted as an important route of transmission and was investigated in the current study. Wastewater treatment plants (WWTP) have been highlighted to contribute to ARG pollution of rivers focusing on effluent impact on receiving water bodies. In this study the aim was to further investigate the effects of WWTP effluent on the receiving river, but also investigate the release of raw sewage resulting from combined sewer overflow (CSO) events on the receiving river. This study found that sediment samples carried a higher abundance of all ARG and therefore present a greater risk compared to water and that CSO spills are important in the spread of ARG likely contributing more substantially to the environmental spread of resistance than continuous release of treated wastewater. In addition, the present study aimed to investigate the genetic potential of viable, potentially pathogenic Escherichia coli isolates from the river sediment to determine whether these human opportunistic pathogens carried the genetic capacity to spread resistance and cause disease. E. coli strains were shown to carry extensive resistance to many clinically relevant antibiotics, metals and biocides as well as carrying vast virulence-associated genes. This study identified ST940 as an important sequence type (ST) in the dissemination of the ESBL blaCTX-M-15 gene and suggests further work to investigate the importance of this ST type in the transmission of this clinically important ARG. The work presented here supports previous studies demonstrating extensive environmental ARG dissemination in rivers as a direct result of WWTP impacts and further highlights rivers as an important reservoir of ARG and antibiotic resistant bacteria (ARB). The discovery of clinically important viable E. coli isolates in sediment suggests more rigorous methods of wastewater treatment, specifically a reduction in the number of CSO release events, must be employed if further dissemination of ARB is to be prevented.
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Noel, Hannah. « Enzymes and genes implicated in hydrogen peroxide production by the plant pathogen Botrytis cinerea ». Thesis, University of Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269257.

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Livres sur le sujet "Plant microbiology"

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Plant microbiology. London : Edward Arnold, 1985.

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Campbell, R. E. Plant microbiology. London : E. Arnold, 1985.

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R, Campbell. Plant microbiology. London : Edward Arnold, 1985.

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1939-, Varma A., dir. Plant surface microbiology. Berlin a : Springer-Verlag, 2004.

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Varma, Ajit, Lynette Abbott, Dietrich Werner et Rüdiger Hampp, dir. Plant Surface Microbiology. Berlin, Heidelberg : Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-74051-3.

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Morris, Cindy E., Philippe C. Nicot et Christophe Nguyen-The, dir. Aerial Plant Surface Microbiology. Boston, MA : Springer US, 1996. http://dx.doi.org/10.1007/b102414.

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Cooper, J. E. Molecular techniques for soil, rhizosphere, and plant microorganisms. Cambridge, Ma : CABI Pub., 2006.

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1944-, Cooper J. E., et Rao J. R, dir. Molecular approaches to soil, rhizosphere and plant microorganism analysis. Wallingford, UK : CABI Pub., 2006.

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Maheshwari, Dinesh K. Bacteria in Agrobiology : Plant Probiotics. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012.

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Tsune, Kosuge, et Nester Eugene W, dir. Plant-microbe interactions. New York : Macmillan, 1987.

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Chapitres de livres sur le sujet "Plant microbiology"

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Spellman, Frank R. « Water Microbiology ». Dans Handbook of Water and Wastewater Treatment Plant Operations, 301–26. 4th edition. | Boca Raton : CRC Press, 2020. : CRC Press, 2020. http://dx.doi.org/10.1201/9781003038351-13.

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Bauer, Robert, et Franz Oberwinkler. « Cellular Ustilaginomycete–Plant Interactions ». Dans Plant Surface Microbiology, 227–36. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_14.

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Varma, Ajit, Lynette Abbott, Dietrich Werner et Rüdiger Hampp. « The State of the Art ». Dans Plant Surface Microbiology, 1–11. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_1.

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White, James F., Faith Belanger, Raymond Sullivan, Elizabeth Lewis, Melinda Moy, William Meyer et Charles W. Bacon. « Developmental Interactions Between Clavicipitaleans and Their Host Plants ». Dans Plant Surface Microbiology, 157–78. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_10.

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Kaldorf, Michael, Chi Zhang, Uwe Nehls, Rüdiger Hampp et François Buscot. « Interactions of Microbes with Genetically Modified Plants ». Dans Plant Surface Microbiology, 179–96. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_11.

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Hampp, Rüdiger, et Andreas Maier. « Interaction Between Soil Bacteria and Ectomycorrhiza-Forming Fungi ». Dans Plant Surface Microbiology, 197–210. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_12.

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Kottke, Ingrid. « The Surface of Ectomycorrhizal Roots and the Interaction with Ectomycorrhizal Fungi ». Dans Plant Surface Microbiology, 211–26. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_13.

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Pham, Giang Huong, Anjana Singh, Rajani Malla, Rina Kumari, Ram Prasad, Minu Sachdev, Karl-Heinz Rexer et al. « Interaction of Piriformospora indica with Diverse Microorganisms and Plants ». Dans Plant Surface Microbiology, 237–65. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_15.

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Bauer, Robert, et Franz Oberwinkler. « Cellular Basidiomycete–Fungus Interactions ». Dans Plant Surface Microbiology, 267–79. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_16.

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Ghimire, Sita R., et Kevin D. Hyde. « Fungal Endophytes ». Dans Plant Surface Microbiology, 281–92. Berlin, Heidelberg : Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74051-3_17.

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Actes de conférences sur le sujet "Plant microbiology"

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Pellegrini, Marika, Daniela Spera, Claudia Ercole et Maddalena del Gallo. « <em>Allium cepa </em>L. <em>s</em>eed inoculation with a consortium of plant growth-promoting bacteria : effects on plant growth and development and soil fertility status and microbial community ». Dans 1st International Electronic Conference on Microbiology. Basel, Switzerland : MDPI, 2020. http://dx.doi.org/10.3390/ecm2020-07121.

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García-Mena, Jaime, Loan Villalobos-Flores, Samuel Espinosa-Torres, Fernando Hernández-Quiroz, Alberto Piña-Escobedo, Yair Cruz-Narváez, Francisco Velázquez-Escobar et Roderich Süssmuth. « Characterization of the plant-associated bacterial microbiota of the Mexican medicinal species <em>Bouvardia ternifolia</em>. » Dans 1st International Electronic Conference on Microbiology. Basel, Switzerland : MDPI, 2020. http://dx.doi.org/10.3390/ecm2020-07104.

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Oliveira, G. M., M. Cortezi et J. Contiero. « Keratinolytic activity of Streptomyces sp isolated of poultry processing plant ». Dans Proceedings of the II International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2007). WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789812837554_0059.

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Marco-Noales, Ester, Mónica Ordax, Neus Garcias-Bonet, María M. López, Núria Marbá et Carlos M. Duarte. « Degradative potential of marine bacterial isolates from the aquatic plant Posidonia oceanica ». Dans Proceedings of the II International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2007). WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789812837554_0043.

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Diánez, F., M. Santos, M. de cara et J. C. Tello. « Evaluation of Crude Glycerol from Biodiesel Production as a plant pathogen control agent ». Dans Proceedings of the II International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2007). WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789812837554_0007.

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Davolos, Domenico, et Biancamaria Pietrangeli. « Molecular and phylogenetic analysis on bacterial strains isolated from a PAHs wastewater treatment plant ». Dans Proceedings of the II International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2007). WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789812837554_0066.

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Shahsavani, S., et G. Shakeri. « Study on the effects of nitrogen, glucose and plant residues on soil microbial C ». Dans Proceedings of the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814322119_0030.

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Palmero, D., J. M. Rodríguez, M. de Cara, F. Camacho, C. Iglesias et J. C. Tello. « Prevalence of plant pathogenic isolates of airborne Fusarium species in south east coast of Spain ». Dans Proceedings of the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814322119_0026.

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Murooka, Yoshikatsu, Akiko Ike et Mitsuo Yamashita. « Bioremediation of heavy metals through symbiosis between leguminous plant and rhizobium with engineered metallothionein and phytochelatin synthase genes ». Dans Proceedings of the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814322119_0051.

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García, A. Rodríguez, L. J. Galán Wong, J. Verde Star, M. S. Flores González et K. Arévalo Niño. « In vitro evaluation of biopolymers as delivery system of plant extracts on cultures of Porphyromonas gingivalis and Agreggatibacter actinomycetemcomitans ». Dans Proceedings of the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814322119_0104.

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Rapports d'organisations sur le sujet "Plant microbiology"

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Minz, Dror, Eric Nelson et Yitzhak Hadar. Ecology of seed-colonizing microbial communities : influence of soil and plant factors and implications for rhizosphere microbiology. United States Department of Agriculture, juillet 2008. http://dx.doi.org/10.32747/2008.7587728.bard.

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Original objectives: Our initial project objectives were to 1) Determine and compare the composition of seed-colonizing microbial communities on seeds, 2) Determine the dynamics of development of microbial communities on seeds, and 3) Determine and compare the composition of seed-colonizing microbial communities with the composition of those in the soil and rhizosphere of the plants. Revisions to objectives: Our initial work on this project was hampered by the presence of native Pythium species in the soils we were using (in the US), preventing us from getting accurate assessments of spermosphere microbial communities. In our initial work, we tried to get around this problem by focusing on water potentials that might reduce damage from native Pythium species. This also prompted some initial investigation of the oomycete communities associated seedlings in this soil. However, for this work to proceed in a way that would allow us to examine seed-colonizing communities on healthy plants, we needed to either physically treat soils or amend soils with composts to suppress damage from Pythium. In the end, we followed the compost amendment line of investigation, which took us away from our initial objectives, but led to interesting work focusing on seed-associated microbial communities and their functional significance to seed-infecting pathogens. Work done in Israel was using suppressive compost amended potting mix throughout the study and did not have such problems. Our work focused on the following objectives: 1) to determine whether different plant species support a microbial induced suppression of Pythium damping-off, 2) to determine whether compost microbes that colonize seeds during early stages of seed germination can adequately explain levels of damping-off suppression observed, 3) to characterize cucumber seed-colonizing microbial communities that give rise to the disease suppressive properties, 4) assess carbon competition between seed-colonizing microbes and Pythium sporangia as a means of explaining Pythium damping-off suppression. Background: Earlier work demonstrated that seed-colonizing microbes might explain Pythium suppression. Yet these seed-colonizing microbial communities have never been characterized and their functional significance to Pythium damping-off suppression is not known. Our work set out to confirm the disease suppressive properties of seed-colonizing microbes, to characterize communities, and begin to determine the mechanisms by which Pythium suppression occurs. Major Conclusions: Compost-induced suppression of Pythium damping-off of cucumber and wheat can be explained by the bacterial consortia colonizing seeds within 8 h of sowing. Suppression on pea was highly variable. Fungi and archaea play no role in disease suppression. Potentially significant bacterial taxa are those with affinities to Firmicutes, Actinobacteria, and Bacteroidetes. Current sequencing efforts are trying to resolve these taxa. Seed colonizing bacteria suppress Pythium by carbon competition, allowing sporangium germination by preventing the development of germ tubes. Presence of Pythium had a strong effect on microbial community on the seed.
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Wiley, H. S. Implementation Plans for a Systems Microbiology and Extremophile Research Facility. Office of Scientific and Technical Information (OSTI), avril 2009. http://dx.doi.org/10.2172/1001549.

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Microbiology in the 21st Century : Where Are We and Where Are We Going ? American Society for Microbiology, 2004. http://dx.doi.org/10.1128/aamcol.5sept.2003.

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The American Academy of Microbiology convened a colloquium September 5–7, 2003, in Charleston, South Carolina to discuss the central importance of microbes to life on earth, directions microbiology research will take in the 21st century, and ways to foster public literacy in this important field. Discussions centered on: the impact of microbes on the health of the planet and its inhabitants; the fundamental significance of microbiology to the study of all life forms; research challenges faced by microbiologists and the barriers to meeting those challenges; the need to integrate microbiology into school and university curricula; and public microbial literacy. This is an exciting time for microbiology. We are becoming increasingly aware that microbes are the basis of the biosphere. They are the ancestors of all living things and the support system for all other forms of life. Paradoxically, certain microbes pose a threat to human health and to the health of plants and animals. As the foundation of the biosphere and major determinants of human health, microbes claim a primary, fundamental role in life on earth. Hence, the study of microbes is pivotal to the study of all living things, and microbiology is essential for the study and understanding of all life on this planet. Microbiology research is changing rapidly. The field has been impacted by events that shape public perceptions of microbes, such as the emergence of globally significant diseases, threats of bioterrorism, increasing failure of formerly effective antibiotics and therapies to treat microbial diseases, and events that contaminate food on a large scale. Microbial research is taking advantage of the technological advancements that have opened new fields of inquiry, particularly in genomics. Basic areas of biological complexity, such as infectious diseases and the engineering of designer microbes for the benefit of society, are especially ripe areas for significant advancement. Overall, emphasis has increased in recent years on the evolution and ecology of microorganisms. Studies are focusing on the linkages between microbes and their phylogenetic origins and between microbes and their habitats. Increasingly, researchers are striving to join together the results of their work, moving to an integration of biological phenomena at all levels. While many areas of the microbiological sciences are ripe for exploration, microbiology must overcome a number of technological hurdles before it can fully accomplish its potential. We are at a unique time when the confluence of technological advances and the explosion of knowledge of microbial diversity will enable significant advances in microbiology, and in biology in general, over the next decade. To make the best progress, microbiology must reach across traditional departmental boundaries and integrate the expertise of scientists in other disciplines. Microbiologists are becoming increasingly aware of the need to harness the vast computing power available and apply it to better advantage in research. Current methods for curating research materials and data should be rethought and revamped. Finally, new facilities should be developed to house powerful research equipment and make it available, on a regional basis, to scientists who might otherwise lack access to the expensive tools of modern biology. It is not enough to accomplish cutting-edge research. We must also educate the children and college students of today, as they will be the researchers of tomorrow. Since microbiology provides exceptional teaching tools and is of pivotal importance to understanding biology, science education in schools should be refocused to include microbiology lessons and lab exercises. At the undergraduate level, a thorough knowledge of microbiology should be made a part of the core curriculum for life science majors. Since issues that deal with microbes have a direct bearing on the human condition, it is critical that the public-at-large become better grounded in the basics of microbiology. Public literacy campaigns must identify the issues to be conveyed and the best avenues for communicating those messages. Decision-makers at federal, state, local, and community levels should be made more aware of the ways that microbiology impacts human life and the ways school curricula could be improved to include valuable lessons in microbial science.
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Microbes and Climate Change - Science, People & ; Impacts. American Society for Microbiology, avril 2022. http://dx.doi.org/10.1128/aamcol.nov.2021.

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Climate change is unarguably a critical existential threat to humanity in the 21st century. As the most abundant organisms on Earth, microorganisms make considerable contributions to and are greatly affected by a changing climate. Microbes are major drivers of elemental cycles (such are carbon, nitrogen and phosphorus), important producers and consumers of greenhouse gases, and pertinent pathogens of humans, animals and plants. While the threat of climate change looms large, conversations about the relationship between it and microorganisms are still rare outside of the microbial sciences community. To understand fully how our climate may change in the future, it is important to learn how a changing climate will impact microbes and their relationships with humans and their environment, as well as incorporate microbial processes into climate models. This report is based on the deliberations of experts who participated in a colloquium on Nov. 5, 2021 organized by the American Academy of Microbiology, the honorific leadership group and think tank within the American Society for Microbiology. These experts came from diverse disciplines and sectors and provided multifaceted perspectives and insights. Over the course of the discussion, the group made several major recommendations for academic, policy, and market partners to drive innovation for microbe-driven climate change solutions that support human well-being.
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