1887

Abstract

A Gram-stain-negative, rod-shaped, orange bacterium (strain MDB1-A) was isolated from ice samples collected from Midui glacier in Tibet, south-west China. Cells were aerobic and psychrotolerant (growth occurred at 0–25 °C). Phylogenetic analysis based on 16S rRNA gene sequences showed that it was a member of the genus , with its closest relative being C16y (98.9 % similarity). Q-10 was the predominant ubiquinone. Cω6 and summed feature 8 (Cω6 and/or Cω7) were the major cellular fatty acids. The predominant polar lipids were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and sphingoglycolipid. The polyamines detected were -homospermidine, spermidine and spermine. The G+C content of the genomic DNA was 63.6 %. Based on data from this polyphasic analysis, strain MDB1-A represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is MDB1-A ( = CGMCC 1.10106 = NBRC 109639).

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2015-09-01
2019-12-06
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