期刊
NEW PHYTOLOGIST
卷 206, 期 4, 页码 1196-1206出版社
WILEY
DOI: 10.1111/nph.13312
关键词
core microbiome; evolution; holobiont; interactions; microbiota; plant microbiome; plasticity
资金
- l'Agence Nationale de la Recherche [ANR-10-STRA-0002]
- Agence Nationale de la Recherche (ANR) [ANR-10-STRA-0002] Funding Source: Agence Nationale de la Recherche (ANR)
Plants can no longer be considered as standalone entities and a more holistic perception is needed. Indeed, plants harbor a wide diversity of microorganisms both inside and outside their tissues, in the endosphere and ectosphere, respectively. These microorganisms, which mostly belong to Bacteria and Fungi, are involved in major functions such as plant nutrition and plant resistance to biotic and abiotic stresses. Hence, the microbiota impact plant growth and survival, two key components of fitness. Plant fitness is therefore a consequence of the plant per se and its microbiota, which collectively form a holobiont. Complementary to the reductionist perception of evolutionary pressures acting on plant or symbiotic compartments, the plant holobiont concept requires a novel perception of evolution. The interlinkages between the plant holobiont components are explored here in the light of current ecological and evolutionary theories. Microbiome complexity and the rules of microbiotic community assemblage are not yet fully understood. It is suggested that the plant can modulate its microbiota to dynamically adjust to its environment. To better understand the level of plant dependence on the microbiotic components, the core microbiota need to be determined at different hierarchical scales of ecology while pan-microbiome analyses would improve characterization of the functions displayed.
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