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KMID : 0364820150510040427
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Korean Journal of Microbiology
2015 Volume.51 No. 4 p.427 ~ p.434
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Isolation and characterization analysis of the halophilic archaea isolated from solar saltern, Gomso
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Koh Hyeon-Woo
Kim So-Jeong
Rhee Sung-Keun
Park Soo-Je
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Abstract
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Most of halophilic archaea are found in the various hypersaline environments including solar saltern, salt lake with very high salt concentration. The present study is about isolation and characterization of halphilic archaea from Gomso solar saltern known as a representative high salt environment in Korea. In order to isolate the halophilic archaea, we prepared and used high salt medium. Finally, total 7 strains obtained were tentatively identified based on comparative similarity analysis for 16S rRNA gene sequence and physiological traits. All halophilic archaea belonged to Haloruburm, Halogeometriucm, Halobacterium, and Haloarcula genera. These isolates were all Gram-staining negative, and growth was not observed using nitrate as an alternative electron acceptor under anaerobic conditions. In addition, all isolates required about 12?30% (w/v, NaCl) salt. This case study might provide basic information on microbial isolation technologies and related research in halophilic microorganisms from domestic halophilic environments, and contribute to obtaining useful indigenous halophilic archaea in a variety of extreme environmental conditions.
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KEYWORD
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Gomso solar saltern, halophilic archaea
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