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Volume 66, Issue 8

sp. nov., isolated from a marine solar saltern Free

Abstract

An extremely halophilic archaeal strain YJ-50-S2 was isolated from Yangjiang marine solar saltern, China. Cells were pleomorphic, stained Gram-negative and formed red-pigmented colonies on agar plates. Strain YJ-50-S2 was able to grow at 25–50 °C (optimum 37 °C), with 0.9–4.8 M NaCl (optimum 2.6 M NaCl) and 0–1.0 M MgCl (optimum 0.03 M MgCl), and at pH 5.0–9.5 (optimum pH 7.5). The cells lysed in distilled water and the minimal NaCl concentration to prevent cell lysis was 5 % (w/v). The 16S rRNA gene and ′ gene of strain YJ-50-S2 were phylogenetically related to the corresponding genes of GX10 (97.0 % and 90.5 % similarities, respectively). The major polar lipids of strainYJ-50-S2 were phosphatidylglycerol, phosphatidylglycerol phosphate methyl ester, and two major glycolipids chromatographically identical to sulfated mannosyl glucosyl diether and mannosyl glucosyl diether, respectively. Several unidentified glycolipids were also detected. The DNA G+C content of strain YJ-50-S2 was 65.2 mol%. The phenotypic, chemotaxonomic and phylogenetic properties suggested that strain YJ-50-S2represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is YJ-50-S2 (=CGMCC 1.12572=JCM 30033).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): halophilic archaeon , marine solar saltern and Salinigranum salinum sp. nov.
© 2016 IUMS
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2016-08-01
2024-04-19
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Salinigranum salinum sp. nov., isolated from a marine solar saltern
Int J Syst Evol Microbiol 66, 3017 (2016); https://doi.org/10.1099/ijsem.0.001138
/content/journal/ijsem/10.1099/ijsem.0.001138
/content/journal/ijsem/10.1099/ijsem.0.001138
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