The water depth-dependent co-occurrence patterns of marine bacteria in shallow and dynamic Southern Coast, Korea SCIE SCOPUS

Cited 5 time in WEB OF SCIENCE Cited 7 time in Scopus
Title
The water depth-dependent co-occurrence patterns of marine bacteria in shallow and dynamic Southern Coast, Korea
Author(s)
Cui, Yingshun; Chun, Seong-Jun; Baek, Seung Ho; Lee, Minji; Kim, Yunji; Lee, Hyung-Gwan; Ko, So-Ra; Hwang, Seungwoo; Ahn, Chi-Yong; Oh, Hee-Mock
KIOST Author(s)
Baek, Seung Ho(백승호)Lee, Minji(이민지)
Publication Year
2019-06-24
Abstract
To investigate the interactions between bacterial species in relation to the biotic and abiotic environmental fluctuations, free-living (FL), nanoparticle-associated (NP), and microparticle-associated (MP) bacterial community compositions (BCCs) were analyzed. A total of 267 samples were collected from July to December 2016 in the dynamic and shallow southern coastal water of Korea. The variations in BCC mostly depended on planktonic size fraction. Network analysis revealed water depth-dependent co-occurrence patterns of coastal bacterial communities. Higher interspecies connectivity was observed within FL bacteria than NP/MP bacteria, suggesting that FL bacteria with a streamlined genome may need other bacterial metabolites for survival, while the NP/MP copiotrophs may have the self-supporting capacity to produce the vital nutrients. The analysis of topological roles of individual OTUs in the network revealed that several groups of metabolically versatile bacteria (the marine Roseobacters, Flavobacteriales, Desulfobacterales, and SAR406 clade) acted as module hubs in different water depth. In conclusion, interspecies interactions dominated in FL bacteria, compared to NP and MP bacteria; modular structures of bacterial communities and keystone species strongly depended on the water depth-derived environmental factors. Furthermore, the multifunctional, versatile FL bacteria could play pivotal roles in dynamic shallow coastal ecosystems.
ISSN
2045-2322
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/600
DOI
10.1038/s41598-019-45512-5
Bibliographic Citation
SCIENTIFIC REPORTS, v.9, 2019
Publisher
NATURE PUBLISHING GROUP
Subject
COMMUNITY STRUCTURE; NETWORK ANALYSIS; DIVERSITY; GENOME; ABUNDANCE; ATLANTIC; SAR11; MICRODIVERSITY; PHYTOPLANKTON; ASSEMBLAGES
Type
Article
Language
English
Document Type
Article
Publisher
NATURE PUBLISHING GROUP
Related Researcher
Research Interests

Marine Ecology,Marine Environment,Phytoplankton,해양생태,해양환경,식물플랑크톤

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