1887

Abstract

The genera and , members of the family in the phylum , were found to be phylogenetically closely related from the result of 16S rRNA gene sequence analysis. DSW-1 exhibited 16S rRNA gene sequence similarity values of 99.3, 98.1 and 98.1 % to Cos-13, MSKK-32 and PMA-26, respectively. A taxonomic study of DSW-1, CIP 108744, CIP 108745 and CIP 108743 was conducted using a polyphasic approach. The major fatty acids (>10 % of the total fatty acids) in the four strains were iso-C, iso-C G and iso-C 3-OH, and their overall fatty acid profiles were essentially similar. The predominant menaquinone found in the type strains of the three species of the genus was MK-6, in line with the genus . The polar lipid profiles of the type strains of the three species of the genus were similar to that of DSW-1 in that phosphatidylethanolamine, one unidentified aminolipid and one unidentified lipid were the major polar lipids. In addition, one unidentified aminophospholipid was also present as a major polar lipid in CIP 108745 and CIP 108743. DSW-1 was distinguishable from CIP 108744, CIP 108745 and CIP 108743 by genetic relatedness and differential phenotypic properties. On the basis of these data, it is proposed that , and be reclassified into the genus as comb. nov. (type strain is Cos-13 = NBRC 100811 = CIP 108744), comb. nov. (type strain is MSKK-32 = NBRC 100817 = CIP 108745), and comb. nov. (type strain is PMA-26 = NBRC 100814 = CIP 108743), respectively. An emended description of the genus is also presented.

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2012-08-01
2019-10-14
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