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Comparative Analysis of Bacterial Community Composition in Lakes of the Dry Valleys, East Antarctica

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Title
Comparative Analysis of Bacterial Community Composition in Lakes of the Dry Valleys, East Antarctica
Authors
Kwon, Miye
Kim, Mincheol
Priscu, John C.
Hong, Soon Gyu
Kim, Sang Jong
Kim, Ok-Sun
Subject
Bacterial community; Dry Valley; Fresh water
Issue Date
2014
Citation
Kwon, Miye., et al. 2014. Comparative Analysis of Bacterial Community Composition in Lakes of the Dry Valleys, East Antarctica, 2014 International Meeting of the Microbiological society of Korea. Daegu, 2014.04.30-05.02.
Abstract
In the current study, the community composition of bacteria were investigated the perennial ice-covered lakes in the fine scale using 454-pyrosequencing; Fryxell (FRX), Hoare (HOR) and Miers (MIE). Based on 16S rRNA gene, total 124,803 sequences were quality filtered using 97% similarity cutoff, and 55 phyla were recovered containing the major phyla Actinobacteria (29%), Bacteroidetes (24.4%) and Proteobacteria (14%). In the phylum level, the bacterial taxonomy were highly shown the heterogeneous communities. Overall, microbial community composition varies not only between lakes, but also along the depth gradients within lake. Taken together, the diversity of microbial communities in lakes of MDVs provided a crucial evidence to understand the impact of microbial ecological roles in these ecosystems.
Conference Name
2014 International Meeting of the Microbiological society of Korea
Conference Place
Daegu
Conference Date
2014.04.30-05.02.
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