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Bacterial community composition and diversity in Kalakuli, an alpine glacial-fed lake in Muztagh Ata of the westernmost Tibetan Plateau
Liu, KS (Liu, Keshao)1,2; Liu, YQ (Liu, Yongqin)1,2,3; Jiao, NZ (Jiao, Nianzhi)4; Xu, BQ (Xu, Baiqing)1,2,3; Gu, ZQ (Gu, Zhengquan)2,5; Xing, TT (Xing, Tingting)5; Xiong, JB (Xiong, Jinbo)6,7; Liu, YQ
Source PublicationFEMS MICROBIOLOGY ECOLOGY
2017
Volume93Issue:7Pages:fix085
DOI10.1093/femsec/fix085
AbstractIt is widely accepted that bacterial community composition and diversity in remote alpine lakes are structured by environmental conditions such as nutrient status and temperature. However, the mechanisms that underlie and structure bacterial community composition and diversity in alpine lakes remain unclear. We used 16S rRNA gene-based Illumina MiSeq sequencing to investigate the complex ecological interactions between bacterial communities and nutrient status in Kalakuli Lake, an alpine glacial-fed lake in Muztagh Ata of the westernmost Tibetan Plateau. Our results indicated that the bacterial community was dominated by the Actinobacteria and Proteobacteria. The results of threshold estimates showed that there were apparent shifts in dominance from the Proteobacteria to Actinobacteria groups associated with increasing carbon to nitrogen (C:N) ratio, and the change points were 6.794 and 2.448, respectively. Using multiple statistical methods, we found that the abiotic factors of dissolved organic carbon and total nitrogen had substantial impacts on bacterial diversity, while bacterial community compositions were significantly correlated with both the biotic element of bacterial abundance and the abiotic ones, temperature and pH. These findings demonstrated that the C: N ratio played a significant role in shifting dominant bacterial assemblages in the Kalakuli watershed and provided evidence of nutrients affecting bacterial community composition and diversity. We argue that this study could further shed light on how climate change-induced glacial retreat may impact bacterial communities in glacial-fed lakes under future global warming scenarios.
Subject Area普通生物学
WOS IDWOS:000410344700009
Language英语
Indexed BySCI
KeywordOrganic-matter Dynamics Magnitude Availability Assemblages Temperature History Climate Shifts
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
Cooperation Status国内
SubtypeArticle
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8040
Collection图书馆
Corresponding AuthorLiu, YQ
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
2.Univ Chinese Acad Sci, Beijing 100101, Peoples R China.
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
4.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen 361005, Peoples R China.
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 1000101, Peoples R China.
6.Ningbo Univ, Sch Marine Sci, Ningbo 315211, Zhejiang, Peoples R China.
7.Collaborat Innovat Ctr Zhejiang Marine High Effic, Ningbo 315211, Zhejiang, Peoples R China.
Recommended Citation
GB/T 7714
Liu, KS ,Liu, YQ ,Jiao, NZ ,et al. Bacterial community composition and diversity in Kalakuli, an alpine glacial-fed lake in Muztagh Ata of the westernmost Tibetan Plateau[J]. FEMS MICROBIOLOGY ECOLOGY,2017,93(7):fix085.
APA Liu, KS .,Liu, YQ .,Jiao, NZ .,Xu, BQ .,Gu, ZQ .,...&Liu, YQ.(2017).Bacterial community composition and diversity in Kalakuli, an alpine glacial-fed lake in Muztagh Ata of the westernmost Tibetan Plateau.FEMS MICROBIOLOGY ECOLOGY,93(7),fix085.
MLA Liu, KS ,et al."Bacterial community composition and diversity in Kalakuli, an alpine glacial-fed lake in Muztagh Ata of the westernmost Tibetan Plateau".FEMS MICROBIOLOGY ECOLOGY 93.7(2017):fix085.
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