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Saline lakes on the Qinghai-Tibet Plateau harbor unique viral assemblages mediating microbial environmental adaption

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Gu, C, Liang, Y, Li, J, Shao, H, Jiang, Y, Zhou, X, Gao, C, Li, X, Zhang, W, Guo, C, He, H, Wang, H, Sung, YY, Mok, WJ, Wong, LL, Suttle, CA, McMinn, A ORCID: 0000-0002-2133-3854, Tian, J and Wang, M 2021 , 'Saline lakes on the Qinghai-Tibet Plateau harbor unique viral assemblages mediating microbial environmental adaption' , iScience, vol. 24, no. 12 , pp. 1-23 , doi: 10.1016/j.isci.2021.103439.

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Abstract

The highest plateau on Earth, Qinghai-Tibet Plateau, contains thousands of lakes with broad salinity and diverse and unique microbial communities. However, little is known about their co-occurring viruses. Herein, we identify 4,560 viral Operational Taxonomic Units (vOTUs) from six viromes of three saline lakes on Qinghai-Tibet Plateau, with less than 1% that could be classified. Most of the predicted vOTUs were associated with the dominant bacterial and archaeal phyla. Virus-encoded auxiliary metabolic genes suggest that viruses influence microbial metabolisms of carbon, nitrogen, sulfur, and lipid; the antibiotic resistance mediation; and their salinity adaption. The six viromes clustered together with the ice core viromes and bathypelagic ocean viromes and might represent a new viral habitat. This study has revealed the unique characteristics and potential ecological roles of DNA viromes in the lakes of the highest plateau and established a foundation for the recognition of the viral roles in plateau lake ecosystems.

Item Type: Article
Authors/Creators:Gu, C and Liang, Y and Li, J and Shao, H and Jiang, Y and Zhou, X and Gao, C and Li, X and Zhang, W and Guo, C and He, H and Wang, H and Sung, YY and Mok, WJ and Wong, LL and Suttle, CA and McMinn, A and Tian, J and Wang, M
Keywords: virus, Qinghai, Tibet, lakes
Journal or Publication Title: iScience
Publisher: Cell Press
ISSN: 2589-0042
DOI / ID Number: 10.1016/j.isci.2021.103439
Copyright Information:

Copyright 2021 The Authors. This is an open access article under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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