1887

Abstract

The remarkable host specificity of the species of the genus led us to recharacterize these species by a polyphasic approach. A comparative chemotaxonomic study including analysis of whole-cell sugars, amino acid composition of the peptidoglycan, fatty acid methyl esters, respiratory quinones and polar lipids revealed significant differences that, in combination with molecular data, support a dissection of the genus . The proposals of this study include the reclassification of and as gen. nov., comb. nov. (type strain DSM 15541 = CCUG 27420) and comb. nov. (type strain DSM 15805 = CCUG 46093), respectively. Emended descriptions of the genus and are also provided. The results of 16S rRNA gene sequence analysis and DNA–DNA hybridization also indicated that the type strain of deposited as CCUG 47753 ( = DSM 19118) should in fact be considered a member of the species . In addition, comparative 16S rRNA gene sequencing and DNA–DNA relatedness studies of four strains recovered from clinical materials demonstrated that three of the isolates belonged to ; the remaining strain represents a novel species, for which the name sp. nov. is proposed. The type strain is IMMIB L-2199 ( = DSM 26039 = CCUG 64068).

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2015-02-01
2022-01-21
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