Extremely halophilic archaea (haloarchaea) belonging to the phylum Euryarchaeota have been found in high-salinity environments. In this study, Halarchaeum sp. CBA1220, Halorubrum sp. CBA1229, and Halolamina sp. 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.

中文翻译：

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从太阳盐中分离出的 Halarchaeum、Halorubrum 和 Halolamina 属的兼性寡营养盐古菌的基因组分析

在高盐度环境中发现了属于 Euryarchaeota 门的极端嗜盐古菌（haloarchaea）。在这项研究中，Halarchaeum sp。CBA1220, Halorubrum sp. CBA1229 和 Halolamina sp。CBA1230 是兼性寡营养盐古菌，通过在寡营养培养条件下培养从日光盐中分离出来。对菌株CBA1220、CBA1229和CBA1230的全基因组进行测序，发现含有3,175,875、3,582,278和3,465,332 bp，G+C含量分别为68.25、67.66和66 mol%。在各个菌株中总共确定了 60、36 和 33 个碳水化合物活性酶基因。这些菌株含有多种编码应激耐受蛋白的基因，包括通用应激蛋白、冷休克蛋白以及红红蛋白和红红蛋白相关蛋白。