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Salinity reduces bacterial diversity, but increases network complexity in Tibetan Plateau lakes
Ji, MK (Ji, Mukan)1,2; Kong, WD (Kong, Weidong)1,2,3; Yue, LY (Yue, Linyan)1,2; Wang, JB (Wang, Junbo)4; Deng, Y (Deng, Ye)5; Zhu, LP (Zhu, Liping)3,4
Source PublicationFEMS MICROBIOLOGY ECOLOGY
2019
Volume95Issue:12Pages:fiz190
DOI10.1093/femsec/fiz190
Abstract

Salinity is one of the most important environmental factors influencing bacterial plankton communities in lake waters, while its influence on bacterial interactions has been less explored. Here, we investigated the influence of salinity on the bacterial diversity, interactions and community structure in Tibetan Plateau lakes. Our results revealed that saline lakes (salinity between 0.5 and 50 g/L) harboured similar or even higher bacterial diversity compared with freshwater lakes (< 0.5 g/L), while hyper-saline lakes (> 50 g/L) exhibited the lowest diversity. Network analysis demonstrated that hyper-saline lakes exhibited the highest network complexity, with higher total correlation numbers (particularly the negative correlations), but lower network module numbers than freshwater and saline lakes. Furthermore, salinity dominantly explained the bacterial community structure variations in saline lakes, while those in freshwater and hyper-saline lakes were predominately explained by water temperature and geospatial distance, respectively. The core operational taxonomic units (OTUs), which were ubiquitously present in all lakes, were less sensitive to enhancing salinity than the indicative OTUs whose presence was dependent on lake type. Our findings offer a new understanding of how salinity influences bacterial community in plateau lakes.

Subject AreaEnvironmental Sciences
WOS IDWOS:000507369300012
Language英语
Indexed BySCI
KeywordMicrobial Community Gradient Temperature Sensitivity Dynamics Patterns Features
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
Cooperation Status国内
ISSN0168-6496
Department环境变化与地表过程重点实验室
URL查看原文
PublisherOXFORD UNIV PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9069
Collection图书馆
Corresponding AuthorKong, WD (Kong, Weidong)
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol, Beijing 100101, Peoples R China;
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100039, Peoples R China;
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China;
5.Chinese Acad Sci, Res Ctr Eco Environm Sci, Key Lab Environm Biotechnol, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Ji, MK ,Kong, WD ,Yue, LY ,et al. Salinity reduces bacterial diversity, but increases network complexity in Tibetan Plateau lakes[J]. FEMS MICROBIOLOGY ECOLOGY,2019,95(12):fiz190.
APA Ji, MK ,Kong, WD ,Yue, LY ,Wang, JB ,Deng, Y ,&Zhu, LP .(2019).Salinity reduces bacterial diversity, but increases network complexity in Tibetan Plateau lakes.FEMS MICROBIOLOGY ECOLOGY,95(12),fiz190.
MLA Ji, MK ,et al."Salinity reduces bacterial diversity, but increases network complexity in Tibetan Plateau lakes".FEMS MICROBIOLOGY ECOLOGY 95.12(2019):fiz190.
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