1887

Abstract

Twelve independent isolates of a Gram-positive, endospore-forming rod were recovered from clinical specimens in New York State, USA, and from raw milk in Flanders, Belgium. The 16S rRNA gene sequences for all isolates were identical. The closest species with a validly published name, based on 16S rRNA gene sequence, is (97.13 % similarity). DNA–DNA hybridization studies demonstrate that the new isolates belong to a species distinct from their nearest phylogenetic neighbours. The partial sequences of the 23S rRNA gene for the novel strains and their nearest neighbours also provide support for the novel species designation. Maximum-likelihood phylogenetic analysis of the 16S rRNA gene sequences confirmed that the new isolates are in the genus . The predominant menaquinone is MK-7, the peptidoglycan has the type A4α -Lys–Gly–-Glu, and the polar lipids consist of diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The predominant fatty acids are iso-C, iso-C and anteiso-C. In addition, biochemical and morphological analyses support designation of the twelve isolates as representatives of a single new species within the genus , for which the name sp. nov. (type strain 6062  = DSM 23544  = CCUG 59649  = LMG 26022) is proposed.

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2012-02-01
2019-12-11
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