Microbial dysbiosis in roots and rhizosphere of grapevines experiencing decline is associated with active metabolic functions

When grapevine decline, characterized by a premature decrease in vigor and yield and sometimes plant death, cannot be explained by pathological or physiological diseases, one may inquire whether the microbiological status of the soil is responsible. Previous studies have shown that the composition a...

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Vydané v:Frontiers in plant science Ročník 15; s. 1358213
Hlavní autori: Darriaut, Romain, Marzari, Tania, Lailheugue, Vincent, Tran, Joseph, Martins, Guilherme, Marguerit, Elisa, Masneuf-Pomarède, Isabelle, Lauvergeat, Virginie
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Switzerland Frontiers Media SA 02.04.2024
Frontiers
Frontiers Media S.A
Predmet:
Asymptomatic
Bacteria
belowground microbiome
Berries
Biological activity
Climate change
Crop diseases
Dysbacteriosis
Environmental Sciences
Fourier transforms
Fungi
grapevine fitness
metabarcoding-based predicted functionality
Metabolic pathways
Metabolism
Microbial activity
Microbiomes
Microbiota
Microorganisms
Mortality
Pathogens
Plant Science
Rhizosphere
root endophytes
Roots
Soil chemistry
soil quality
Soils
Vines
Vitis vinifera growth
Wineries & vineyards
France
grapevine fitness
Vitis vinifera growth
metabarcoding-based predicted functionality
root endophytes
belowground microbiome
soil quality
ISSN:1664-462X, 1664-462X
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Shrnutí:When grapevine decline, characterized by a premature decrease in vigor and yield and sometimes plant death, cannot be explained by pathological or physiological diseases, one may inquire whether the microbiological status of the soil is responsible. Previous studies have shown that the composition and structure of bacterial and fungal microbial communities in inter-row soil are affected in areas displaying vine decline, compared to areas with non-declining vines within the same plot. A more comprehensive analysis was conducted in one such plot. Although soil chemical parameters could not directly explain these differences, the declining vines presented lower vigor, yield, berry quality, and petiole mineral content than those in non-declining vines. The bacterial and fungal microbiome of the root endosphere, rhizosphere, and different horizons of the bulk soil were explored through enzymatic, metabolic diversity, and metabarcoding analysis in both areas. Despite the lower microbial diversity and richness in symptomatic roots and soil, higher microbial activity and enrichment of potentially both beneficial bacteria and pathogenic fungi were found in the declining area. Path modeling analysis linked the root microbial activity to berry quality, suggesting a determinant role of root microbiome in the berry mineral content. Furthermore, certain fungal and bacterial taxa were correlated with predicted metabolic pathways and metabolic processes assessed with Eco-Plates. These results unexpectedly revealed active microbial profiles in the belowground compartments associated with stressed vines, highlighting the interest of exploring the functional microbiota of plants, and more specifically roots and rhizosphere, under stressed conditions.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
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Edited by: Shixiao Yu, Sun Yat-sen University, China
Reviewed by: Luca Nerva, Council for Agricultural and Economics Research (CREA), Italy
Present addresses: Romain Darriaut, Univ Rennes, CNRS, ECOBIO (Ecosystèmes, biodiversité, évolution) - UMR 6553, Rennes, France Tania Marzari, Agroécologie, CNRS, INRAE, Institut Agro, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
Xingang Zhou, Northeast Agricultural University, China
David Gramaje, Spanish National Research Council (CSIC), Spain
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2024.1358213