1887

Abstract

An extremely halophilic archaeon, strain Fa-1, was isolated from a marine solar saltern in Fujian, China. Strain Fa-1 required Mg and at least 2.0 M NaCl for growth. It was able to grow at pH 6.5–9.0 (optimally at pH 7.0–7.5) and at 20–55 °C (optimally at 37–42 °C). The major polar lipids of strain Fa-1 were phosphatidylglycerol, phosphatidylglycerol phosphate methyl ester, phosphatidylglycerol sulfate and a sulfated diglycosyl diether. On the basis of a 16S rRNA gene sequence analysis, strain Fa-1 was closely related to nine species of the genus , showing sequence similarities of 97.4–98.4 %. The G+C content of the DNA of strain Fa-1 is 64.9 mol% ( ). DNA–DNA hybridization values between strain Fa-1 and the most closely related members of the genus were below 51 %. On the basis of the data from this study, strain Fa-1 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is Fa-1 (=CGMCC 1.5336 =JCM 13561).

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2007-10-01
2020-12-01
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