1887

Abstract

A bacterial strain designated TNR-18 was isolated from stream water in southern Taiwan and characterized using a polyphasic taxonomic approach. Cells of strain TNR-18 were Gram-stain-negative, strictly aerobic, non-motile and vibrioid, and the strain formed orange colonies. Growth occurred at 10–30 °C, with 0–0.2 % NaCl and at pH 6.0–10.0. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain TNR-18 belonged to the genus ; its closest neighbours were TW5 and NO-502, with respective sequence similarities of 97.9 and 97.8 %. Predominant cellular fatty acids (>10 %) were summed feature 3 (C 7/C 6; 37.7 %), C 5 (13.0 %) and iso-C (11.1 %). The major respiratory quinone was MK-7. The polar lipid profile contained phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and several uncharacterized polar lipids. The DNA G+C content was 39.9 mol%. On the basis of the phylogenetic and phenotypic data, strain TNR-18 should be classified as representing a novel species, for which the name sp. nov. is proposed. The type strain is TNR-18 (=LMG 25207 =BCRC 17969).

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2010-12-01
2020-01-24
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vol. , part 12, pp. 2979 - 2983

Two-dimensional TLC of polar lipids of strain TNR-18 . DPG, Diphosphatidylglycerol; PE, phosphatidylethanolamine; PG, phosphatidylglycerol; AL1–AL3, unknown aminolipids; APL1, APL2, unknown aminophospholipids; GL, unknown glycolipid; PL1, PL2, unknown phospholipids.



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