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  Bacterial diversity of a soil sample from Schirmacher Oasis, Antarctica

Shivaji, S., Reddy, G. S. N., Aduri, R. P., Kutty, R., & Ravenschlag, K. (2004). Bacterial diversity of a soil sample from Schirmacher Oasis, Antarctica. Cellular and Molecular Biology, 50(5), 525-536.

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Shivaji, S., Author
Reddy, G. S. N., Author
Aduri, R. P., Author
Kutty, R., Author
Ravenschlag, K.1, Author           
Affiliations:
1Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society, ou_2481696              

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Free keywords: 16S rRNA gene; clones diversity; Antarctica; psychrophiles
 Abstract: The bacterial diversity of a soil sample collected in the vicinity of Lake Zub, Schirmacher Oasis, Antarctica, was determined both by establishing pure colonies of culturable bacteria and by cloning the total 16S rDNA of the soil and establishing the phylogeny of the clones. Analysis of the 16S rRNA gene clones indicated that the bacteria belonged to the classes alpha-proteobacteria, beta-proteobacteria, gamma-proteobacteria, Gemmatimonas, Bacteriodetes, Actinobacteria, Chloroflexi and Chlamydiae. In addition, seven clones were categorized as unidentified and unculturable in the classes of beta-Proteobacteria, Actinobacteria, Chloroflexi and Chlamydiae. Further, the culturable bacteria from the same site were identified as belonging to the genera Pseudomonas, Sphingobacterium, Arthrobacter, Micrococcus, Brevondimonas, Rhodococcus and Microbacterium. These results identify for the first time the presence of bacteria belonging to the genera Brevundimonas, Microbacterium, Rhodococcus, Serratia, Enterobacter, Rhodopseudomonas, Sphingomonas, Acidovorax, Burkholderia, Nevskia, Gemmatimonas, Xanthomonas and Flexibacter in Antarctica. Further, comparison of the Antarctic soil bacterial diversity with other cold habitats of Antarctica like from sediments, ice and cyanobacterial mat samples indicated that the bacterial diversity in soil was similar to the diversity observed in the continental shelf sediment sample. The Antarctic soil clones also resembled the bacterial diversity of soils from other geographical regions, but were unique in that none of the clones from the soil belonged to the uncultured Y, O, G, A and B groups common to all soil samples.

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Language(s): eng - English
 Dates: 2004-07
 Publication Status: Issued
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 224741
ISI: 000225037100004
 Degree: -

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Title: Cellular and Molecular Biology
Source Genre: Journal
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Publ. Info: Oxford : Pergamon Press
Pages: - Volume / Issue: 50 (5) Sequence Number: - Start / End Page: 525 - 536 Identifier: ISSN: 0145-5680
CoNE: https://pure.mpg.de/cone/journals/resource/954925473407