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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 66, Issue 1

sp. nov., isolated from a till sample of an icecap front Free

Abstract

A Gram-stain-negative, rod-shaped, aerobic and non-motile strain, designated 4-T-34, was isolated from a till sample of Collins icecap front, Antarctica, and its taxonomic position was investigated by genotypic, phenotypic and chemotaxonomic analysis. The isolate grew at 4–30 °C (optimum 20–25 °C), at pH 6.0–10.0 and with 0–1.0 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 4-T-34 belonged to the genus , with the closest relatives being WT-MW11 (96.9 % 16S rRNA gene sequence similarity), ZS3-33 (96.8 %), IAM 12616 (96.5 %) and HDW-19 (95.4 %). Strain 4-T-34 contained Q-10 as the only ubiquinone and Cω7 as the major fatty acid. The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, two unidentified aminophospholipids and two unidentified phospholipids. The DNA G+C content of strain 4-T-34 was 61 mol%. On the basis of phylogenetic, physiological and chemotaxonomic data, strain 4-T-34 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 4-T-34 ( = CCTCC AB 2014005 = LMG 28256).

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2016-01-01
2024-04-19
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Pseudorhodobacter collinsensis sp. nov., isolated from a till sample of an icecap front
Int J Syst Evol Microbiol 66, 178 (2016); https://doi.org/10.1099/ijsem.0.000693
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