NDLI: Molecular analysis of prokaryotic diversity in the deep subsurface of the former Homestake gold mine, South Dakota, USA

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Molecular analysis of prokaryotic diversity in the deep subsurface of the former Homestake gold mine, South Dakota, USA

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Journal of Microbiology : Volume 47, Issue 3, June 2009

Journal of Microbiology : Volume 47, Issue 2, April 2009

Journal of Microbiology : Volume 47, Issue 1, February 2009

Journal of Microbiology : Volume 46

Molecular analysis of prokaryotic diversity in the deep subsurface of the former Homestake gold mine, South Dakota, USA

Content Provider	Springer Nature Link
Author	Rastogi, Gurdeep Stetler, Larry D. Peyton, Brent M. Sani, Rajesh K.
Copyright Year	2009
Abstract	A culture-independent molecular phylogenetic analysis was carried out to study the prokaryotic diversity in two soil samples collected from the subsurface (1.34 km depth) of the former Homestake gold mine, Lead, South Dakota, USA at two sites, the Ross shaft and number 6 Winze. Microbial community analyses were performed by cloning and sequencing of 16S rRNA genes retrieved directly from soil samples. Geochemical characterization of soils revealed high amount of toxic metals such as As, Cd, Co, Cr, Cu, Ni, Pb, Zn, and U at both the sites. Phylogenetic analyses showed that soil samples were predominantly composed of phylotypes related to phylum Proteobacteria. Other phyla detected in libraries were Acidobacteria, Actinobacteria, Bacteroidetes, Chloroflexi, Chlorobi, Firmicutes, Gemmatimonadetes, Nitrospirae, Planctomycetes, Verrucomicrobia, and candidate divisions OP10 and TM7. The majority (>95%) of the phylotypes retrieved in the libraries were most closely related to environmental sequences from yet-uncultured bacteria representing a hitherto unidentified diversity. The archaeal communities at both the sites exhibited lower diversity and were most closely affiliated to uncultivated species within the Crenarchaeota. Results showed the existence of diverse microbial populations in deep subsurface environment of the Homestake gold mine. Statistical analyses demonstrated that each site harbored phylogenetically distinct microbial populations that were more diverse at Ross site compare to winze site.
Starting Page	371
Ending Page	384
Page Count	14
File Format	PDF
ISSN	12258873
Journal	Journal of Microbiology
Volume Number	47
Issue Number	4
e-ISSN	19763794
Language	English
Publisher	The Microbiological Society of Korea
Publisher Date	2009-09-09
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Homestake DUSEL gold mine microbial diversity Microbiology
Content Type	Text
Resource Type	Article
Subject	Medicine Microbiology Applied Microbiology and Biotechnology

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