期刊
COMMUNICATIONS BIOLOGY
卷 5, 期 1, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s42003-022-03726-w
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资金
- National Research Foundation of Korea (NRF) - Korean government (MSIT) [2020R1A2B5B03096402, 2018R1A5A1023599, 2021M3H9A1096935, 2022R1C1C2002739]
- Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, and Forestry through Agricultural Microbiome R&D Program - Ministry of Agriculture, Food, and Rural Affairs (MAFRA) [918017-04]
- National Research Foundation of Korea [2020R1A2B5B03096402, 2022R1C1C2002739, 2021M3H9A1096935] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This study reveals the ecological mechanisms governing the transmission of bacterial and fungal communities in rice, and identifies parental seeds and stem endosphere as major sources of progeny seed microbial communities. The colonization types and temporal patterns of microbes are affected by niche change and neutrality.
Ecological mechanisms governing inheritance of bacterial and fungal communities from seed to seed in rice are revealed. The inherited microbes dominate each community at the ripening stage, and parental seeds and stem endosphere are major sources. Vertical transmission of microbes is crucial for the persistence of host-associated microbial communities. Although vertical transmission of seed microbes has been reported from diverse plants, ecological mechanisms and dynamics of microbial communities from parent to progeny remain scarce. Here we reveal the veiled ecological mechanism governing transmission of bacterial and fungal communities in rice across two consecutive seasons. We identify 29 bacterial and 34 fungal members transmitted across generations. Abundance-based regression models allow to classify colonization types of the microbes. We find that they are late colonizers dominating each community at the ripening stage. Ecological models further show that the observed temporal colonization patterns are affected by niche change and neutrality. Source-sink modeling reveals that parental seeds and stem endosphere are major origins of progeny seed microbial communities. This study gives empirical evidence for ecological mechanism and dynamics of bacterial and fungal communities as an ecological continuum during seed-to-seed transmission.
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