Please use this identifier to cite or link to this item: https://doi.org/10.1111/1574-6941.12160
Title: Diversity of bacterioplankton in contrasting Tibetan lakes revealed by high-density microarray and clone library analysis
Authors: Zhang, R.
Wu, Q.
Piceno, Y.M.
Desantis, T.Z.
Saunders, F.M. 
Andersen, G.L.
Liu, W.-T. 
Keywords: Microbial diversity
PhyloChip
Tibetan lakes
Issue Date: Nov-2013
Source: Zhang, R., Wu, Q., Piceno, Y.M., Desantis, T.Z., Saunders, F.M., Andersen, G.L., Liu, W.-T. (2013-11). Diversity of bacterioplankton in contrasting Tibetan lakes revealed by high-density microarray and clone library analysis. FEMS Microbiology Ecology 86 (2) : 277-287. ScholarBank@NUS Repository. https://doi.org/10.1111/1574-6941.12160
Abstract: Tibetan lakes represent a unique microbial environment and are a good ecosystem to investigate the microbial diversity of high mountain lakes and their relationship with environmental factors. The diversity and community structure of bacterioplankton in Tibetan lakes was determined using DNA fingerprinting analysis, high-density 16S rRNA gene microarray (PhyloChip) analysis, and extensive clone library analysis of bacterial 16S rRNA genes. A previously unseen high microbial diversity (1732 operational taxonomic units based on PhyloChip data) and numerous novel bacterial 16S rRNA gene sequences were observed. Abundant SAR11-like sequences retrieved from saline Lake Qinghai demonstrated a unique SAR11 phylogenetic sister clade related to the freshwater LD12 clade. Water chemistry (e.g. salinity) and altitude played important roles in the selection of bacterial taxa (both presence and relative abundance) in Tibetan lakes. The ubiquity and uniqueness of bacterial taxa, as well as the correlation between environmental factors and bacterial taxa, was observed to vary gradually with different phylogenetic levels. Our study suggested high microbial cosmopolitanism and high endemicity observed at higher and lower phylogenetic levels, respectively. © 2013 Federation of European Microbiological Societies. Published by John Wiley & Sons Ltd. All rights reserved.
Source Title: FEMS Microbiology Ecology
URI: http://scholarbank.nus.edu.sg/handle/10635/59014
ISSN: 01686496
DOI: 10.1111/1574-6941.12160
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