Cited by 3,308Plant-Microbe Interactions and ImmunityMicrobial Community Ecology and PhysiologyLegume Nitrogen Fixing Symbiosis

Structure and functions of the bacterial microbiota of plants

Bulgarelli, Davide, Schlaeppi, Klaus, Spaepen, Stijn, van Themaat, Emiel Ver Loren, Schulze-Lefert, Paul·2013·Annual Review of Plant Biology

Abstract

Plants host distinct bacterial communities on and inside various plant organs, of which those associated with roots and the leaf surface are best characterized. The phylogenetic composition of these communities is defined by relatively few bacterial phyla, including Actinobacteria, Bacteroidetes, Firmicutes, and Proteobacteria. A synthesis of available data suggests a two-step selection process by which the bacterial microbiota of roots is differentiated from the surrounding soil biome. Rhizodeposition appears to fuel an initial substrate-driven community shift in the rhizosphere, which converges with host genotype-dependent fine-tuning of microbiota profiles in the selection of root endophyte assemblages. Substrate-driven selection also underlies the establishment of phyllosphere communities but takes place solely at the immediate leaf surface. Both the leaf and root microbiota contain bacteria that provide indirect pathogen protection, but root microbiota members appear to serve additional host functions through the acquisition of nutrients from soil for plant growth. Thus, the plant microbiota emerges as a fundamental trait that includes mutualism enabled through diverse biochemical mechanisms, as revealed by studies on plant growth-promoting and plant health-promoting bacteria.

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Crossref · 10.1146/annurev-arplant-050312-120106

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Authors
Bulgarelli, D., Schlaeppi, K., Spaepen, S., van Themaat, E. V. L., & Schulze-Lefert, P.
Affiliations
  • Max Planck Institute for Plant Breeding Research (DE)
  • Max Planck Institute for Plant Breeding Research, D-50829 Cologne, Germany;
Venue
Annual Review of Plant Biology
Published
2013-04-29
Volume
64
Issue
1
Pages
807-838
ISSN
  • 1543-5008 (ISSN-L)
  • 1545-2123
OpenAlex
W2157554024
Cited by
3,308
References
152
Citations by year
2026: 278 · 2025: 285 · 2024: 350 · 2023: 347 · 2022: 345 · 2021: 404 · 2020: 334 · 2019: 254 · 2018: 199 · 2017: 183 · 2016: 134 · 2015: 99 · 2014: 75 · 2013: 19 · 2012: 1
FWCI
11.70
Type
journal article
Language
en
Open access
closed
Locations
  • Annual Review of Plant Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Discovery Research Portal (University of Dundee) (publishedVersion)
  • edoc (University of Basel) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Legume Nitrogen Fixing Symbiosis
Keywords
rhizosphere, phyllosphere, root endophytes, rhizodeposition, plant growth-promoting bacteria, mutualism, plant pathogen protection, nutrient acquisition, actinobacteria, Bacteroidetes, Firmicutes, Proteobacteria
MeSH terms
Bacteria, Phylogeny, Plants, Soil Microbiology, Symbiosis, Plant Roots, Metagenome, Rhizosphere

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