Roots from distinct plant developmental stages are capable of rapidly selecting their own microbiome without the influence of environmental and soil edaphic factors |
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| Affiliation: | 1. Laboratory of Microbiological Monitoring and Bioremediation of Soils, All-Russia Research Institute for Agricultural Microbiology, Saint-Petersburg, Russia;2. Saint-Petersburg State University, Saint-Petersburg, Russia;3. Laboratory of Biology and Biochemistry of Soils, V.V. Dokuchaev Soil Science Institute, Moscow, Russia;4. West Kazakhstan Agrarian Technical University, Zhangir Khan, Uralsk, Kazakhstan;5. Department of Microbiology, Saint-Petersburg State University, Saint-Petersburg, Russia;1. Xinjiang Key Laboratory of Environmental Pollution and Bioremediation, Chinese Academy of Sciences, Urumqi 830011, PR China;2. College of Environment, Zhejiang University of Technology, Hangzhou 310032, PR China;3. Quebec-Ocean and Takuvik Joint International Research Unit, Université Laval, Québec, Canada;4. College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China |
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| Abstract: | 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. |
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| Keywords: | Developmental stages Microbiome Phytohormone |
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