Arid
DOI10.1007/s00792-011-0398-8
Comparison of bacterial diversity in proglacial soil from Kafni Glacier, Himalayan Mountain ranges, India, with the bacterial diversity of other glaciers in the world
Srinivas, T. N. R.1; Singh, S. M.2; Pradhan, Suman1; Pratibha, M. S.1; Kishore, K. Hara1; Singh, Ashish K.1; Begum, Z.1; Prabagaran, S. R.1; Reddy, G. S. N.1; Shivaji, S.1
通讯作者Shivaji, S.
来源期刊EXTREMOPHILES
ISSN1431-0651
EISSN1433-4909
出版年2011
卷号15期号:6页码:673-690
英文摘要

Two 16S rRNA gene clone libraries (KF and KS) were constructed using two soil samples (K7s and K8s) collected near Kafni Glacier, Himalayas. The two libraries yielded a total of 648 clones. Phyla Actinobacteria, Bacteroidetes, Chloroflexi Firmicutes, Proteobacteria, Spirochaetae, Tenericutes and Verrucomicrobia were common to the two libraries. Phyla Acidobacteria, Chlamydiae and Nitrospirae were present only in KF library, whereas Lentisphaerae and TM7 were detected only in KS. In the two libraries, clones belonging to phyla Bacteroidetes and Proteobacteria were the most predominant. Principal component analysis (PCA) revealed that KF and KS were different and arsenic content influenced the differences in the percentage of OTUs. PCA indicated that high water content in the K8s sample results in high total bacterial count. PCA also indicated that bacterial diversity of KF and KS was similar to soils from the Pindari Glacier, Himalayas; Samoylov Island, Siberia; Schrimacher Oasis, Antarctica and Siberian tundra. The eleven bacterial strains isolated from the above two soil samples were phylogenetically related to six different genera. All the isolates were psychro-, halo- and alkalitolerant. Amylase, lipase and urease activities were detected in the majority of the strains. Long chain, saturated, unsaturated and branched fatty acids were predominant in the psychrotolerant bacteria.


英文关键词Himalayan Mountain ranges Kafni Glacier 16S rRNA gene clone library Psychrophilic enzymes Cellular fatty acids
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000296011800006
WOS关键词RIBOSOMAL-RNA SEQUENCES ; SP-NOV. ; MICROBIAL DIVERSITY ; SCHIRMACHER OASIS ; PHYSIOLOGICAL DIVERSITY ; VERTICAL-DISTRIBUTION ; CULTURABLE BACTERIA ; PINDARI GLACIER ; GEN. NOV. ; ICE CORE
WOS类目Biochemistry & Molecular Biology ; Microbiology
WOS研究方向Biochemistry & Molecular Biology ; Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/168091
作者单位1.Ctr Cellular & Mol Biol, Hyderabad 500007, Andhra Pradesh, India;
2.Natl Ctr Antarctic Ocean Res, Vasco Da Gama 403804, Goa, India
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GB/T 7714
Srinivas, T. N. R.,Singh, S. M.,Pradhan, Suman,et al. Comparison of bacterial diversity in proglacial soil from Kafni Glacier, Himalayan Mountain ranges, India, with the bacterial diversity of other glaciers in the world[J],2011,15(6):673-690.
APA Srinivas, T. N. R..,Singh, S. M..,Pradhan, Suman.,Pratibha, M. S..,Kishore, K. Hara.,...&Shivaji, S..(2011).Comparison of bacterial diversity in proglacial soil from Kafni Glacier, Himalayan Mountain ranges, India, with the bacterial diversity of other glaciers in the world.EXTREMOPHILES,15(6),673-690.
MLA Srinivas, T. N. R.,et al."Comparison of bacterial diversity in proglacial soil from Kafni Glacier, Himalayan Mountain ranges, India, with the bacterial diversity of other glaciers in the world".EXTREMOPHILES 15.6(2011):673-690.
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