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Community assembly and stability in the root microbiota during early plant development

Aleklett Kadish, Kristin and Rosa, Daniel and Pickles, Brian John and Hart, Miranda M. (2022). Community assembly and stability in the root microbiota during early plant development. Frontiers in Microbiology. 13 , 826521
[Research article]

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Abstract

Little is known about how community composition in the plant microbiome is affected by events in the life of a plant. For example, when the plant is exposed to soil, microbial communities may be an important factor in root community assembly. We conducted two experiments asking whether the composition of the root microbiota in mature plants could be determined by either the timing of root exposure to microbial communities or priority effects by early colonizing microbes. Timing of microbial exposure was manipulated through an inoculation experiment, where plants of different ages were exposed to a common soil inoculum. Priority effects were manipulated by challenging roots with established microbiota with an exogenous microbial community. Results show that even plants with existing microbial root communities were able to acquire new microbial associates, but that timing of soil exposure affected root microbiota composition for both bacterial and fungal communities in mature plants. Plants already colonized were only receptive to colonizers at 1 week post-germination. Our study shows that the timing of soil exposure in the early life stages of a plant is important for the development of the root microbiota in mature plants.

Authors/Creators:Aleklett Kadish, Kristin and Rosa, Daniel and Pickles, Brian John and Hart, Miranda M.
Title:Community assembly and stability in the root microbiota during early plant development
Series Name/Journal:Frontiers in Microbiology
Year of publishing :2022
Volume:13
Article number:826521
Number of Pages:16
ISSN:1664-302X
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
Keywords:bacteria, fungi, plant microbiome, priority effects, root microbiota, Setaria viridis, soil exposure
URN:NBN:urn:nbn:se:slu:epsilon-p-118403
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-118403
Additional ID:
Type of IDID
DOI10.3389/fmicb.2022.826521
ID Code:28530
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Protection Biology
Deposited By: SLUpub Connector
Deposited On:24 Aug 2022 11:29
Metadata Last Modified:24 Aug 2022 11:31

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