Journal
ARCHIVES OF MICROBIOLOGY
Volume 203, Issue 1, Pages 261-268Publisher
SPRINGER
DOI: 10.1007/s00203-020-02027-2
Keywords
Facultatively oligotrophic haloarchaea; Halarchaeum; Halorubrum; Halolamina; Genome sequence; Solar salt
Categories
Funding
- World Institute of Kimchi - Ministry of Science and ICT [KE2001-2]
- Basic Science Research Program of the National Research Foundation of Korea (NRF) [2018R1D1A1A09082921, 2018R1D1A1B07045349]
- Ewha Womans University Research Grant of 2019, Republic of Korea
- National Research Foundation of Korea [2018R1D1A1B07045349, 2018R1D1A1A09082921] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, three facultatively oligotrophic haloarchaea were isolated from solar salt and their complete genomes were sequenced, revealing the presence of carbohydrate-active enzyme genes and stress-tolerance protein genes that may have industrial applications. The genome data generated will facilitate further research on halophilic strains and their potential industrial uses.
Extremely halophilic archaea (haloarchaea) belonging to the phylum Euryarchaeota have been found in high-salinity environments. In this study,Halarchaeumsp. CBA1220,Halorubrumsp. CBA1229, andHalolaminasp. CBA1230, which are facultatively oligotrophic haloarchaea, were isolated from solar salt by culture under oligotrophic culture conditions. The complete genomes of strains CBA1220, CBA1229, and CBA1230 were sequenced and were found to contain 3,175,875, 3,582,278, and 3,465,332 bp, with a G + C content of 68.25, 67.66, and 66.75 mol %, respectively. In total, 60, 36, and 33 carbohydrate-active enzyme genes were determined in the respective strains. The strains harbored various genes encoding stress-tolerance proteins, including universal stress proteins, cold-shock proteins, and rubrerythrin and rubrerythrin-related proteins. The genome data produced in this study will facilitate further research to improve our understanding of other halophilic strains and promote their industrial application.
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