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Characterization of Endolithic Culturable Microbial Communities in Carbonate Rocks from a Typical Karst Canyon in Guizhou (China).
Yuan Tang;  Jian-Zhong Cheng;  Bin Lian
2017
Source PublicationPolish journal of microbiology
Volume65Issue:4Pages:413-423
Abstract

The endolithic environment is a ubiquitous habitat for microorganisms and a critical interface between biology and geology. In this study, a culture-based method and the phylogenetic analysis based on 16S rRNA and internal transcribed spacer (ITS) sequences were used to investigate the diversity of endolithic bacteria and fungi in two main types of carbonate rocks (namely dolomite and limestone) from Nanjiang Canyon in Guizhou karst area, China. The results of bacterial diversity indicated that all bacteria isolated from dolomite and limestone rocks were divided into 4 bacterial groups, including Proteobacteria, Actinobacteria, Firmicutes and Bacteroidetes. For these two kinds of rocks, Proteobacteria was the first dominant group, and Gammaproteobacteria occupied the greatest proportion which might be closely related to Pseudomonas in phylogeny to be the most dominant genera after isolation. Actinobacteria and Bacillus bacteria were also widespread in these two kinds of rock environments. There were only 9 and 8 strains of fungi isolated from dolomite and limestone respectively, which all belonged to Ascomycota. To the best of our knowledge, this is the first report on diversity of endolithic culturable bacteria and fungi in carbonate rocks in Guizhou karst region. These microorganisms may play an important and unprecedented role in the carbonate rock weathering during the long history of geological evolution.

KeywordEndolithic Bacteria Endolithic Fungi Carbonate Rock
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/7783
Collection环境地球化学国家重点实验室
Affiliation1.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, PR China.
2.Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Microbiology, College of Life Science, Nanjing Normal University, Nanjing, PR China
First Author Affilication中国科学院地球化学研究所
Recommended Citation
GB/T 7714
Yuan Tang;Jian-Zhong Cheng;Bin Lian. Characterization of Endolithic Culturable Microbial Communities in Carbonate Rocks from a Typical Karst Canyon in Guizhou (China).[J]. Polish journal of microbiology,2017,65(4):413-423.
APA Yuan Tang;Jian-Zhong Cheng;Bin Lian.(2017).Characterization of Endolithic Culturable Microbial Communities in Carbonate Rocks from a Typical Karst Canyon in Guizhou (China)..Polish journal of microbiology,65(4),413-423.
MLA Yuan Tang;Jian-Zhong Cheng;Bin Lian."Characterization of Endolithic Culturable Microbial Communities in Carbonate Rocks from a Typical Karst Canyon in Guizhou (China).".Polish journal of microbiology 65.4(2017):413-423.
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