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Dominance of putative marine benthic Archaea in Qinghai Lake, north-western China.
Environ Microbiol. 2008 Sep; 10(9):2355-67.EM

Abstract

Recent studies have revealed important and versatile roles that Archaea play in a wide variety of environmental processes on Earth. In this study, we investigated the abundance and diversity of archaeal communities in lake water and a 5 m sediment core collected from Qinghai Lake on the Tibetan Plateau, north-western China. An integrated approach was employed including geochemistry, quantitative polymerase chain reaction (Q-PCR) and 16S rRNA gene analysis. Here, we show that Archaea dominated the prokaryotic community in the lake sediments. Members of putative marine benthic groups [Marine Benthic Group (MBG)-B, -C and -D] and Miscellaneous Crenarchaeotic Group (MCG) were dominant, many of which were previously reported to be predominantly present in deep-sea environments. These results demonstrate that these groups are not limited to marine sediments. Despite their ubiquitous presence in aquatic environments, metabolic functions of these important groups largely remain unknown. Whereas many of these groups (such as MBG-B and -D) have typically been found in methane-hydrate deposits in marine environments, our carbon isotopic and molecular results from Qinghai Lake sediments indicate a lacustrine origin.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Jiang H
Department of Geology, Miami University, Oxford, OH 45056, USA.
Dong H
No affiliation info available
Yu B
No affiliation info available
Ye Q
No affiliation info available
Shen J
No affiliation info available
Rowe H
No affiliation info available
Zhang C
No affiliation info available

MeSH

ArchaeaBiodiversityChinaDNA, ArchaealFresh WaterGenes, ArchaealGenes, rRNAGeologic SedimentsMolecular Sequence DataPhylogenyPolymerase Chain ReactionRNA, Ribosomal, 16SWater Microbiology

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

18498366

Citation

Jiang, Hongchen, et al. "Dominance of Putative Marine Benthic Archaea in Qinghai Lake, North-western China." Environmental Microbiology, vol. 10, no. 9, 2008, pp. 2355-67.
Jiang H, Dong H, Yu B, et al. Dominance of putative marine benthic Archaea in Qinghai Lake, north-western China. Environ Microbiol. 2008;10(9):2355-67.
Jiang, H., Dong, H., Yu, B., Ye, Q., Shen, J., Rowe, H., & Zhang, C. (2008). Dominance of putative marine benthic Archaea in Qinghai Lake, north-western China. Environmental Microbiology, 10(9), 2355-67. https://doi.org/10.1111/j.1462-2920.2008.01661.x
Jiang H, et al. Dominance of Putative Marine Benthic Archaea in Qinghai Lake, North-western China. Environ Microbiol. 2008;10(9):2355-67. PubMed PMID: 18498366.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dominance of putative marine benthic Archaea in Qinghai Lake, north-western China. AU - Jiang,Hongchen, AU - Dong,Hailiang, AU - Yu,Bingsong, AU - Ye,Qi, AU - Shen,Ji, AU - Rowe,Harry, AU - Zhang,Chuanlun, Y1 - 2008/05/21/ PY - 2008/5/24/pubmed PY - 2008/10/7/medline PY - 2008/5/24/entrez SP - 2355 EP - 67 JF - Environmental microbiology JO - Environ Microbiol VL - 10 IS - 9 N2 - Recent studies have revealed important and versatile roles that Archaea play in a wide variety of environmental processes on Earth. In this study, we investigated the abundance and diversity of archaeal communities in lake water and a 5 m sediment core collected from Qinghai Lake on the Tibetan Plateau, north-western China. An integrated approach was employed including geochemistry, quantitative polymerase chain reaction (Q-PCR) and 16S rRNA gene analysis. Here, we show that Archaea dominated the prokaryotic community in the lake sediments. Members of putative marine benthic groups [Marine Benthic Group (MBG)-B, -C and -D] and Miscellaneous Crenarchaeotic Group (MCG) were dominant, many of which were previously reported to be predominantly present in deep-sea environments. These results demonstrate that these groups are not limited to marine sediments. Despite their ubiquitous presence in aquatic environments, metabolic functions of these important groups largely remain unknown. Whereas many of these groups (such as MBG-B and -D) have typically been found in methane-hydrate deposits in marine environments, our carbon isotopic and molecular results from Qinghai Lake sediments indicate a lacustrine origin. SN - 1462-2920 UR - https://www.unboundmedicine.com/medline/citation/18498366/Dominance_of_putative_marine_benthic_Archaea_in_Qinghai_Lake_north_western_China_ DB - PRIME DP - Unbound Medicine ER -