4.7 Article

Roots from distinct plant developmental stages are capable of rapidly selecting their own microbiome without the influence of environmental and soil edaphic factors

Journal

SOIL BIOLOGY & BIOCHEMISTRY
Volume 89, Issue -, Pages 206-209

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.soilbio.2015.07.009

Keywords

Arabidopsis thaliana; Developmental stages; Microbiome; Phytohormone

Categories

Funding

  1. China Science and Technology Ministry (973 Program) [2015CB150500]
  2. National Nature Science Foundation of China [31330069]
  3. Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions
  4. 111 project [B12009]
  5. Colorado State University Agricultural Experiment Station
  6. China Scholarship Council [201306850039]

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Soil microbes live in close association with plants and are crucial for plant health and fitness. Recent literature revealed that specific microbes were cultured at distinct developmental stages of Arabidopsis. It is not clear how fast the roots, depending on their developmental stage, can alter the root-associated microbiome. In this study, Arabidopsis, grown under sterile conditions at precisely distinct developmental stages were supplied with a soil microbial slurry. Within four days, roots selected specific microorganisms depending on plant development, and Proteobacteria among other bacterial groups were found to colonize the roots irrespective of developmental stage. Moreover, exposure to a microbiome resulted in modulation of phytohormone levels at different stages of Arabidopsis. (C) 2015 Elsevier Ltd. All rights reserved.

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