文献类型：期刊文献

英文题名：Rare subcommunity maintains the stability of ecosystem multifunctionality by deterministic assembly processes in subtropical estuaries

作者：Yang, Shu[1,2];Hou, Qinghua[1];Li, Nan[1];Wang, Pengbin[3];Zhao, Huaxian[2];Chen, Qingxiang[1];Qin, Xinyi[2];Huang, Jiongqing[4];Li, Xiaoli[4];Liao, Nengjian[5];Jiang, Gonglingxia[1];Dong, Ke[6];Zhang, Tianyu[1]

机构：[1]Guangdong Ocean Univ, Coll Ocean & Meteorol,Key Lab Coastal Ocean Variat, Key Lab Climate Resources & Environm Continental S, Dept Educ Guangdong Prov,Dept Oceanog, Zhanjiang, Peoples R China;[2]Nanning Normal Univ, Key Lab Environm Change & Resources Use Beibu Gulf, Minist Educ, Nanning, Peoples R China;[3]Minist Nat Resources, Inst Oceanog 2, Key Lab Marine Ecosyst Dynam, Hangzhou, Peoples R China;[4]Ludong Univ, Sch Agr, Yantai, Peoples R China;[5]Guilin Univ Technol, Coll Environm Sci & Engn, Guilin, Peoples R China;[6]Kyonggi Univ, Dept Biol Sci, Gwanggyosan Ro, Suwon, South Korea

年份：2024

卷号：15

外文期刊名：FRONTIERS IN MICROBIOLOGY

收录：SCI-EXPANDED(收录号：WOS:001220811800001)、、Scopus(收录号：2-s2.0-85192094889)、WOS

基金：The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This research was jointly funded by the National Key Research and Development Program of China (grant numbers 2022YFC3103104 and 2021YFC3101801); Guangdong Science and Technology Plan Project (Observation of Tropical Marine Environment in Yuexi); Independent Research Project of Southern Ocean Laboratory (grant number SML2022SP301); National Natural Science Foundation of China (grant number 41976200); Guangdong Ocean University Scientific Research Program (grant number 060302032106); Guangdong University Innovation Team (Early-warning of marine disasters), and Scientific Research Start Funds of Guangdong Ocean University. Data and samples were collected onboard of R/V "Tianlong" and "Yuezhanyuyun 01018" implementing the open research cruise NORC2023-11 supported by NSFC Shiptime Sharing Project (project number: 42249911).

语种：英文

外文关键词：16S rRNA; biodiversity; community assembly; ecosystem multifunctionality; estuary ecosystem; rare tax

外文摘要：Microorganisms, especially rare microbial species, are crucial in estuarine ecosystems for driving biogeochemical processes and preserving biodiversity. However, the understanding of the links between ecosystem multifunctionality (EMF) and the diversity of rare bacterial taxa in estuary ecosystems remains limited. Employing high-throughput sequencing and a variety of statistical methods, we assessed the diversities and assembly process of abundant and rare bacterioplankton and their contributions to EMF in a subtropical estuary. Taxonomic analysis revealed Proteobacteria as the predominant phylum among both abundant and rare bacterial taxa. Notably, rare taxa demonstrated significantly higher taxonomic diversity and a larger species pool than abundant taxa. Additionally, our findings highlighted that deterministic assembly processes predominantly shape microbial communities, with heterogeneous selection exerting a stronger influence on rare taxa. Further analysis reveals that rare bacterial beta-diversity significantly impacts to EMF, whereas alpha diversity did not. The partial least squares path modeling (PLS-PM) analysis demonstrated that the beta diversity of abundant and rare taxa, as the main biotic factor, directly affected EMF, while temperature and total organic carbon (TOC) were additional key factors to determine the relationship between beta diversity and EMF. These findings advance our understanding of the distribution features and ecological knowledge of the abundant and rare taxa in EMF in subtropical estuaries, and provide a reference for exploring the multifunctionality of different biospheres in aquatic environments.