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Littérature scientifique sur le sujet « Fungal-Plant Interactions »

Auteur : Grafiati

Publié le 7 juin 2025

Mis à jour le 2 août 2025

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Articles de revues sur le sujet "Fungal-Plant Interactions"

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Griffin, David H., and Susan Issac. "Fungal-Plant Interactions." Mycologia 85, no. 5 (1993): 875. http://dx.doi.org/10.2307/3760625.

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Hollomon, Derek W. "Plant-Fungal Interactions." Mycological Research 105, no. 9 (2001): 1152. http://dx.doi.org/10.1016/s0953-7562(08)61981-4.

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Mayer, Alfred M. "Plant-fungal interactions: A plant physiologist's viewpoint." Phytochemistry 28, no. 2 (1989): 311–17. http://dx.doi.org/10.1016/0031-9422(89)80002-0.

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Martínez-Medina, Ainhoa, Leyre Pescador, Laura C. Terrón-Camero, María J. Pozo, and María C. Romero-Puertas. "Nitric oxide in plant–fungal interactions." Journal of Experimental Botany 70, no. 17 (2019): 4489–503. http://dx.doi.org/10.1093/jxb/erz289.

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Abstract Whilst many interactions with fungi are detrimental for plants, others are beneficial and result in improved growth and stress tolerance. Thus, plants have evolved sophisticated mechanisms to restrict pathogenic interactions while promoting mutualistic relationships. Numerous studies have demonstrated the importance of nitric oxide (NO) in the regulation of plant defence against fungal pathogens. NO triggers a reprograming of defence-related gene expression, the production of secondary metabolites with antimicrobial properties, and the hypersensitive response. More recent studies have

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Takenaka, Shigehito. "Dynamics of fungal pathogens in host plant tissues." Canadian Journal of Botany 73, S1 (1995): 1275–83. http://dx.doi.org/10.1139/b95-388.

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To develop efficient control measures against fungal plant pathogens, the dynamics of host plant colonization during disease development and the interactions among fungi within host plant tissues need to be clarified. These studies require accurate quantitative estimation of specific fungal biomass in plant tissues. This has been approached by direct-microscopic methods, cultural methods, chemical determinations of fungal components, serological methods, and molecular methods. Among these methods, serological and molecular methods provide rapid, specific, and sensitive quantitative measures of

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Duplessis, S., and H. Kuhn. "Secretomic climax in plant-fungal interactions." New Phytologist 179, no. 4 (2008): 907–10. http://dx.doi.org/10.1111/j.1469-8137.2008.02594.x.

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Zäuner, Simone, Sandra Albrecht, Philipp Ternes, et al. "Fungal glycosphingolipids in plant/pathogen interactions." Chemistry and Physics of Lipids 149 (September 2007): S73. http://dx.doi.org/10.1016/j.chemphyslip.2007.06.167.

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Zhang, Qian, Qixiang Sun, Roger T. Koide, et al. "Arbuscular Mycorrhizal Fungal Mediation of Plant-Plant Interactions in a Marshland Plant Community." Scientific World Journal 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/923610.

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Obligate aerobic AMF taxa have high species richness under waterlogged conditions, but their ecological role remains unclear. Here we focused on AM fungal mediation of plant interactions in a marshland plant community. Five cooccurring plant species were chosen for a neighbor removal experiment in which benomyl was used to suppress AMF colonization. APhragmites australisremoval experiment was also performed to study its role in promoting AMF colonization by increasing rhizosphere oxygen concentration. Mycorrhizal fungal effects on plant interactions were different for dominant and subdominant

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Dourou, Marianna, and Caterina Anna Maria La Porta. "A Pipeline to Investigate Fungal–Fungal Interactions: Trichoderma Isolates against Plant-Associated Fungi." Journal of Fungi 9, no. 4 (2023): 461. http://dx.doi.org/10.3390/jof9040461.

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Soil fungi play essential roles in ecosystems, forming complex interaction networks with bacteria, yeasts, other fungi, or plants. In the framework of biocontrol strategies, Trichoderma-based fungicides are at the forefront of research as an alternative to synthetic ones. However, the impact of introducing new microbial strain(s) on the soil microbiome of a habitat is not well-explored. Aiming to identify a quantitative method to explore the complex fungal interactions, we isolated twelve fungi from three Italian vineyards and identified three strains of the Trichoderma genus in addition to ni

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Zou, Ying-Ning, Xian-An Xie, and Qiang-Sheng Wu. "Fungal–Plant Interactions: Latest Advances and Prospects." Forests 15, no. 8 (2024): 1364. http://dx.doi.org/10.3390/f15081364.

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Thèses sur le sujet "Fungal-Plant Interactions"

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Persson, Mattias. "Cell death and defence gene responses in plant-fungal interactions /." Uppsala : Dept. of Plant Biology and Forest Genetics, Swedish University of Agricultural Sciences, 2008. http://epsilon.slu.se/200851.pdf.

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Pivato, Barbara. "Ecology of arbuscular mycorrhizas : interactions plant - fungal genotypes and mycorrhizas - bacteria." Dijon, 2008. http://www.theses.fr/2008DIJOS006.

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La première étape de la thèse a consisté à comparer la diversité et la structure génétique des populations de champignons mycorhiziens à arbuscules (MA) associées à quatre espèces de médiques annuelles. Les résultats obtenus montrent que l’abondance des champignons MA différait, indiquant que la structure génétique de la communauté fongique a été influencée par l’espèce végétale. La deuxième étape de ce travail visait à tester l’hypothèse selon laquelle la longue histoire évolutive entre champignons MA et plantes ne se serait pas faite de façon indépendante des bactéries. La structure génétiqu

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Murphy, Phillip James. "Plant-fungal interactions during vesicular-arbuscular mycorrhiza development : a molecular approach." Title page, contents and abstract only, 1995. http://web4.library.adelaide.edu.au/theses/09PH/09phm9778.pdf.

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Bibliography: leaves 153-185. Vesicular-arbuscular (VA) mycorrhiza formation is a complex process which is under the genetic control of both plant and fungus. This project aims to develop a model infection system in Hordeum vulgare L. (barley) suitable for molecular analysis; to identify host plant genes differentially expressed during the early stages of the infection process; and to screen a mutant barley population for phenotypes which form abnormal mycorrhizas.

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Artursson, Veronica. "Bacterial-fungal interactions highlighted using microbiomics : potential application for plant growth enhancement /." Uppsala : Dept. of Microbiology, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/2005127.pdf.

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Baverstock, Jason. "Interactions between aphids, their insect and fungal natural enemies and the host plant." Thesis, University of Nottingham, 2004. http://eprints.nottingham.ac.uk/14397/.

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Multitrophic and intraguild interactions influence the success of biological control. The interactions between Acyrthosiphon pisum, three natural enemies (Pandora neoaphidis, Coccinella septempunctata and Aphidius ervi) and the host plant, Vicia faba, were assessed. Volatiles released from aphid-damaged plants had a direct effect on P. neoaphidis indicating they may act as synomones. However, volatiles did not increase efficacy of the fungus suggesting it is not a bodyguard species. Transmission was greatest during plant colonisation by aphids and was not affected by plant condition. Infection

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Butterworth, Lisa A. "Interactions of the pathogen leptosphaeria maculans (Desm.) Ces and de Not. and Brassica napus." Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267462.

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Hennecke, Berthold Rembertus. "Host-pathogen interactions between the fungal pathogen Phloeospora mimosae-pigrae and Mimosa pigra, giant sensitive plant /." [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17081.pdf.

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Florek, Olga Barbara. "Improving natural crop resistance to fungal pathogens : biophysical characterisation of plant defence protein interactions with biomembranes." Thesis, University of Reading, 2017. http://centaur.reading.ac.uk/77824/.

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The mechanism of action of the wheat defence proteins (puroindolines and purothionins) as antifungal agents was investigated by monitoring their interactions with the lipid systems mimicking the structures of the yeast cell membrane. The membrane models used were: monolayers at the air/liquid interface, flat bilayers at the solid/liquid interface and the folded bilayers in aqueous solutions (lipid vesicles). Each lipid model was interacted with defence proteins as single protein or mixed protein systems. The consequent changes in the structures of lipid membranes were then monitored by means o

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Merges, Dominik [Verfasser], Eike Lena [Gutachter] Neuschulz, and Meike [Gutachter] Piepenbring. "Mutualistic and antagonistic effects of plant-animal and plant-fungal interactions on plant recruitment at the tree line / Dominik Merges ; Gutachter: Eike Lena Neuschulz, Meike Piepenbring." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2020. http://d-nb.info/120699844X/34.

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Gluck, Thaler Emile. "Computational, Evolutionary and Functional Genetic Characterization of Fungal Gene Clusters Adapted to Degrade Plant Defense Chemicals." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555406081422532.

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Livres sur le sujet "Fungal-Plant Interactions"

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Southworth, Darlene, ed. Biocomplexity of Plant-Fungal Interactions. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781118314364.

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Prell, Hermann H., and Peter Day. Plant-Fungal Pathogen Interaction. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-662-04412-4.

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1928-, Day Peter R., ed. Plant-fungal pathogen interaction: A classical and molecular view. Springer, 2001.

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Fungal-Plant Interactions. Springer London, Limited, 1991.

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Fungal-plant interactions. Chapman & Hall, 1992.

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Mesarich, Carl, and Barry Scott. Plant Relationships: Fungal-Plant Interactions. Springer International Publishing AG, 2023.

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Plant Relationships: Fungal-Plant Interactions. Springer International Publishing AG, 2023.

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Southworth, Darlene. Biocomplexity of Plant-Fungal Interactions. Wiley & Sons, Incorporated, John, 2011.

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Southworth, Darlene. Biocomplexity of Plant-Fungal Interactions. Wiley & Sons, Incorporated, John, 2011.

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Biocomplexity of plant-fungal interactions. Wiley-Blackwell, 2012.

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Chapitres de livres sur le sujet "Fungal-Plant Interactions"

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Geetha, K., and Vasavi Dathar. "Plant–Fungal Interactions." In Applied Mycology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90649-8_13.

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Geetha, K., and Vasavi Dathar. "Plant–Fungal Interactions." In Applied Mycology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90649-8_13.

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Geetha, K., and Vasavi Dathar. "Plant–Fungal Interactions." In Applied Mycology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-90649-8_13.

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Hardham, Adrienne R. "Confocal Microscopy in Plant–Pathogen Interactions." In Plant Fungal Pathogens. Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-501-5_18.

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Vincent, Delphine, Kar-Chun Tan, Liam Cassidy, Peter S. Solomon, and Richard P. Oliver. "Proteomic Techniques for Plant–Fungal Interactions." In Plant Fungal Pathogens. Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-501-5_5.

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Knogge, Wolfgang. "Plant-Fungal Interactions and Plant Disease." In Subcellular Biochemistry. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4899-1707-2_7.

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Bar, Maya, and Adi Avni. "Endocytosis in Plant – Fungal Interactions." In Cellular Origin, Life in Extreme Habitats and Astrobiology. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9449-0_25.

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Friesen, Timothy L., and Justin D. Faris. "Characterization of Plant-Fungal Interactions Involving Necrotrophic Effector-Producing Plant Pathogens." In Plant Fungal Pathogens. Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-501-5_12.

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Plett, Jonathan M., and Francis Martin. "Molecular Interactions in Mycorrhizal Development." In Biocomplexity of Plant-Fungal Interactions. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781118314364.ch2.

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Southworth, Darlene. "Introduction." In Biocomplexity of Plant-Fungal Interactions. Wiley-Blackwell, 2012. http://dx.doi.org/10.1002/9781118314364.ch.

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Actes de conférences sur le sujet "Fungal-Plant Interactions"

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"A radioisotope based methodology for plant-fungal interactions in the rhizosphere." In 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC). IEEE, 2013. http://dx.doi.org/10.1109/nssmic.2013.6829457.

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Sasco, Elena. "Common wheat response to associated action of biotic and abiotic stress factors." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.19.

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The Integral Plant Vigor Index recorded high specificity of Alternaria alternata, Drechslera sorokiniana and Fusarium solani isolates in phenotype formation, with both tolerance and susceptibility of the trait being attested. The highest Percentage Index reduction was recorded for the interactions of fungal isolates with M614. The M614 genotype showed a greater trait reduction in wheat response to the separately acting PEG 6000 treatment. The concomitant action of biotic and abiotic stress factors caused negative effects, namely additivity (increased susceptibility), but also positive effects

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Badani, Pat. "The “Bichi” Project Symbiotic Food Networks and the Alchemist Kitchen." In 28th International Symposium on Electronic Art. Ecole des arts decoratifs - PSL, 2024. http://dx.doi.org/10.69564/isea2023-41-full-badani-the-bichi-project.

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The author uses symbiosis as metaphor and tool to create food-related projects that critically examine the anthropogenically induced impact of global warming on food chains. She argues that "art-through-food" projects promote an alternative worldview informed by the utopian premise that art can facilitate reflexivity and influence behavior to prevent future massive starvation by safeguarding the future of food. Three projects reveal the workings of energy flows in ecosystems to reimagine hybrid relations with living matter and with systems that are biological, technological, social, and politi

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Zaccaron, Alex. "Impact of genomic structural variations on virulence of the tomato pathogen Cladosporium fulvum." In IS-MPMI Congress. IS-MPMI, 2023. http://dx.doi.org/10.1094/ismpmi-2023-1.

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Cladosporium fulvum causes tomato leaf mold and has been extensively used in the past as a model species to study plant-microbe interactions. Although the first chromosome-scale reference genome of the fungus was released in 2022, still little is known about how its genome architecture and structural variations (SVs) thereof impact its virulence. In this study, we used PacBio HiFi to sequence the genomes of four additional C. fulvum isolates and further assembled them at chromosome level. Comparative genome analyses revealed high chromosomal synteny among the five isolates, and a set of 13 cor

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"Optimizing the Efficacy of Beneficial Bacteria Against Botrytis Blight Disease in Petunias." In Plant Health 2024. American Phytopathological Society, 2024. http://dx.doi.org/10.1094/aps-ph24-023.

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Botrytis cinerea, a fungal pathogen and the causal agent of botrytis blight or gray mold, poses a significant challenge in greenhouse crop management due to its wide host range and ability to infect plants at various growth stages. The reliance on conventional fungicides has led to environmental concerns and the emergence of fungicide-resistant strains. This study explores the use of beneficial Pseudomonas bacteria, hypothesizing that specific strain combinations could suppress B. cinerea more effectively than single strains. We focused on five Pseudomonas strains (14B11, AP54, 15H3, 94G2, 89F

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Filipovics, Maksims. "Hyperspectral imaging for early detection of foliar fungal diseases on small grain cereals: a minireview." In Research for Rural Development 2023 : annual 29th international scientific conference proceedings. Latvia University of Life Sciences and Technologies, 2023. http://dx.doi.org/10.22616/rrd.29.2023.001.

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Foliar fungal diseases of small grain cereals are economically among the most important diseases worldwide and in the Baltics. Finding an effective, reliable, and easily accessible method for plant disease diagnosis still presents a challenge. Currently used methods include visual examination of the affected plant, morphological characterization of isolated pathogens and different molecular, and serological methods. All of these methods have important limitations, especially for large-area applications. Hyperspectral imaging is a promising technique to assess fungal diseases of plants, as it i

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"Disentangling the multiphasic nature of intracellular calcium responses induced by fungal signals in Lotus japonicus roots." In IS-MPMI Congress. IS-MPMI, 2023. http://dx.doi.org/10.1094/ismpmi-2023-10.

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The recognition of different microbe-associated molecular patterns triggers in the plant the activation of either an immune response or an accommodation program. In both types of responses, Ca2+ is a crucial intracellular messenger, mediating the early stages of the respective signalling pathways. In this work, we analyzed the cytosolic and nuclear Ca2+ changes activated by a set of chitin-related oligomers in different genetic backgrounds of Lotus japonicus roots by using specifically targeted aequorin-based Ca2+ reporters. By means of pharmacological and genetic approaches, we dissected the

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Sasco, Elena. "Efectele genetice implicate în răspunsul grăului comun la filtratul de cultură Drechslera sorokiniana (SACC.) subram." In VIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2021. http://dx.doi.org/10.53040/gppb7.2021.71.

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Helminthosporiosis caused by the fungus Drechslera sorokiniana (Sacc.) causes significant crop and quality losses to Triticum aestivum L. in agroecological conditions with extreme humidity. Increasing the resistance is considered the most cost-effective and sustainable approach to disease control. The aim of this study was to determine the genetic effects involved in the inheritance of resistance, using the ge-netic model of character reproduction in descendants of wheat. Generations F1, F2, BCP1 and BCP2, de-scended from the mutual crossing of the parents Basarabeanca / Moldova 30 and Moldova

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"Expression of IPD3, a transcriptional regulator of AM symbiosis, affects immunity and flowering time in non-host Arabidopsis." In IS-MPMI Congress. IS-MPMI, 2023. http://dx.doi.org/10.1094/ismpmi-2023-13.

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Arbuscular mycorrhizal symbiosis (AM) is a beneficial trait originating with the first land plants. The ability to host AM has since been lost from diverse plant species. Genes in the Common Symbiosis Pathway that are essential to establish AM hosting were lost from Brassicaceae along with the trait itself, including Interacting Protein of DMI3 (IPD3), a key transcription factor connecting upstream signaling of AM fungal presence to the downstream gene-regulatory network for AM functions. We generated transgenic Arabidopsis plants expressing the DNA-binding domain of IPD3 and used phenotypic a

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Rapports d'organisations sur le sujet "Fungal-Plant Interactions"

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Sharon, Amir, and Maor Bar-Peled. Identification of new glycan metabolic pathways in the fungal pathogen Botrytis cinerea and their role in fungus-plant interactions. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597916.bard.

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The involvement of glycans in microbial adherence, recognition and signaling is often a critical determinant of pathogenesis. Although the major glycan components of fungal cell walls have been identified there is limited information available on its ‘minor sugar components’ and how these change during different stages of fungal development. Our aim was to define the role of Rhacontaining-glycans in the gray mold disease caused by the necrotrophic fungus B. cinerea. The research was built on the discovery of two genes, Bcdhand bcer, that are involved in formation of UDP-KDG and UDP-Rha, two UD

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Dickman, Martin B., and Oded Yarden. Characterization of the chorismate mutase effector (SsCm1) from Sclerotinia sclerotiorum. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7600027.bard.

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Sclerotinia sclerotiorum is a filamentous fungus (mold) that causes plant disease. It has an extremely wide range of hosts (>400 species) and causes considerable damage (annual multimillion dollar losses) in economically important crops. It has proven difficult to control (culturally or chemically) and host resistance to this fungus has generally been inadequate. It is believed that this fungus occurs in almost every country. Virulence of this aggressive pathogen is bolstered by a wide array of plant cell wall degrading enzymes and various compounds (secondary metabolites) produced by the f

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Harms, Nathan, Judy Shearer, James Cronin, and John Gaskin. Geographic and genetic variation in susceptibility of Butomus umbellatus to foliar fungal pathogens. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41662.

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Large-scale patterns of plant invasions may reflect regional heterogeneity in biotic and abiotic factors and genetic variation within and between invading populations. Having information on how effects of biotic resistance vary spatially can be especially important when implementing biological control because introduced agents may have different Impacts through interactions with host-plant genotype, local environment, or other novel enemies. We conducted a series of field surveys and laboratory studies to determine whether there was evidence of biotic resistance, as foliar fungal pathogens, in

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Horwitz, Benjamin A., and Barbara Gillian Turgeon. Fungal Iron Acquisition, Oxidative Stress and Virulence in the Cochliobolus-maize Interaction. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7709885.bard.

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Our project focused on genes for high affinity iron acquisition in Cochliobolus heterostrophus, a necrotrophic pathogen of maize, and their intertwined relationship to oxidative stress status and virulence of the fungus on the host. An intriguing question was why mutants lacking the nonribosomal peptide synthetase (NRPS) gene (NPS6) responsible for synthesis of the extracellular siderophore, coprogen, are sensitive to oxidative stress. Our overall objective was to understand the mechanistic connection between iron stress and oxidative stress as related to virulence of a plant pathogen to its h

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Avni, Adi, and Kirankumar S. Mysore. Functional Genomics Approach to Identify Signaling Components Involved in Defense Responses Induced by the Ethylene Inducing Xyalanase Elicitor. United States Department of Agriculture, 2009. http://dx.doi.org/10.32747/2009.7697100.bard.

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Plant-microbe interactions involve a large number of global regulatory systems, which are essential for plants to protect themselves against pathogen attack. An ethylene-inducing xylanase (EIX) of Trichoderma viride is a potent elicitor of plant defense responses, like hypersensitive response (HR), in specific cultivars of tobacco (Nicotiana tabacum) and tomato (Lycopersicon esculentum). The central goal of this proposal was to investigate the molecular mechanisms that allow plants to specifically activate defense responses after EIX treatment. We proposed to identify cellular signaling compon

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Dickman, Martin B., and Oded Yarden. Genetic and chemical intervention in ROS signaling pathways affecting development and pathogenicity of Sclerotinia sclerotiorum. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7699866.bard.

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Abstract: The long-term goals of our research are to understand the regulation of sclerotial development and pathogenicity in S. sclerotior11111. The focus in this project was on the elucidation of the signaling events and environmental cues involved in the regulation of these processes, utilizing and continuously developing tools our research groups have established and/or adapted for analysis of S. sclerotiorum, Our stated objectives: To take advantage of the recent conceptual (ROS/PPs signaling) and technical (amenability of S. sclerotiorumto manipulations coupled with chemical genomics and

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Dickman, Martin B., and Oded Yarden. Modulation of the Redox Climate and Phosphatase Signaling in a Necrotroph: an Axis for Inter- and Intra-cellular Communication that Regulates Development and Pathogenicity. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7697112.bard.

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The long-term goals of our research are to understand the regulation of sclerotial development and pathogenicity in S. sclerotiorum. The focus in this project is on the elucidation of the signaling events and environmental cues that contribute to broad pathogenic success of S. sclerotiorum. In this proposal, we have taken advantage of the recent conceptual (ROS/PPs signaling) and technical (genome sequence availability and gene inactivation possibilities) developments to address the following questions, as appear in our research goals stated below, specifically concerning the involvement of RE

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Reisch, Bruce, Avichai Perl, Julie Kikkert, Ruth Ben-Arie, and Rachel Gollop. Use of Anti-Fungal Gene Synergisms for Improved Foliar and Fruit Disease Tolerance in Transgenic Grapes. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7575292.bard.

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Original objectives . 1. Test anti-fungal gene products for activity against Uncinula necator, Aspergillus niger, Rhizopus stolonifer and Botrytis cinerea. 2. For Agrobacterium transformation, design appropriate vectors with gene combinations. 3. Use biolistic bombardment and Agrobacterium for transformation of important cultivars. 4. Characterize gene expression in transformants, as well as level of powdery mildew and Botrytis resistance in foliage of transformed plants. Background The production of new grape cultivars by conventional breeding is a complex and time-consuming process. Transfer

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Steffens, John, Eithan Harel, and Alfred Mayer. Coding, Expression, Targeting, Import and Processing of Distinct Polyphenoloxidases in Tissues of Higher Plants. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7613008.bard.

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Polyphenol oxidase (PPO) catalyzes the oxidation of phenols to quinones at the expense of O2. PPOs are ubiquitous in higer plants, and their role in oxidative browning of plant tissues causes large annual losses to food production. Despite the importance of PPOs to agriculture, the function(s) of PPOs in higher plants are not understood. Among other roles, PPOs have been proposed to participate in aspects of chloroplast metabolism, based on their occurrence in plastids and high Km for O2. Due to the ability of PPO to catalyze formation of highly reactive quinones, PPOs have also been proposed

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Phillips, Donald A., Yitzhak Spiegel, and Howard Ferris. Optimizing nematode management by defining natural chemical bases of behavior. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7587234.bard.

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This project was based on the hypothesis that nematodes interacting with plants as either parasites or beneficial saprophytes are attracted to their host by natural products. This concept was supported by numerous observations that parasitic nematodes are attracted to root exudates. Our overall goal was to identify nematode sensory compounds from root exudates and to use that information for reducing nematicide applications. We applied skills of the investigators to achieve three specific objectives: 1) Identify nematode behavioral cues (e.g., attractants or repellents) in root exudates; 2) Id

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