The microbiota of the grapevine holobiont: A key component of plant health - Université de Reims Champagne-Ardenne Access content directly
Journal Articles International journal of advanced research Year : 2022

The microbiota of the grapevine holobiont: A key component of plant health


Background Grapevine is a woody, perennial plant of high economic importance worldwide. Like other plants, it lives in close association with large numbers of microorganisms. Bacteria, fungi and viruses are structured in communities, and each individual can be beneficial, neutral or harmful to the plant. In this sense, microorganisms can interact with each other and regulate plant functions (including immunity) and even provide new ones. Thus, the grapevine associated with its microbial communities constitutes a supra-organism, also called a holobiont, whose functioning is linked to established plant-microorganism interactions. Aim of review The overall health of the plant may be conditioned by the diversity and structure of microbial communities. Consequently, an optimal microbial composition will consist of a microbial balance allowing the plant to be healthy. Conversely, an imbalance of microbial populations could lead to (or be generated by) a decline of the plant. The microbiome is an active component of the host also responsive to biotic and abiotic changes; in that respect, a better understanding of the most important drivers of the composition of plant microbiomes is needed. Key scientific concepts of review This article presents the current state of the art about the grapevine microbiota and its composition according to the plant compartments and the influencing factors. We also focus on situations of imbalance, in particular during plant disease or decline. Finally, we discuss the possible interest of microbial engineering in an agrosystem such as viticulture.
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hal-03510070 , version 1 (14-03-2023)




Pauline Bettenfeld, Jasmine Cadena I Canals, Lucile Jacquens, Olivier Fernandez, Florence Fontaine, et al.. The microbiota of the grapevine holobiont: A key component of plant health. International journal of advanced research, 2022, 40, pp.1-15. ⟨10.1016/j.jare.2021.12.008⟩. ⟨hal-03510070⟩
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