1887

Abstract

An endospore-forming strain, 20CM, was isolated from Antarctic sediment and identified as a member of the genus on the basis of phenotypic and phylogenetic analyses. The organism stained Gram-variable and was facultatively anaerobic. Strain 20CM was psychrotolerant, growing optimally at 10–15 °C. Like other species, it contained anteiso-C as the major cellular fatty acid. The DNA G+C content was 40·7 mol%. 16S rRNA gene sequence analysis placed strain 20CM within the cluster, with a similarity value of 99·5 % to DSM 2. DNA–DNA hybridization experiments between the Antarctic isolate and DSM 2 revealed a reassociation value of 47 %, indicating that strain 20CM and DSM 2 belong to different species. Based on evaluation of morphological, physiological, chemotaxonomic and phylogenetic analyses, a novel species, sp. nov., is proposed; the type strain is 20CM (=LMG 22078=CECT 5836).

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2004-09-01
2019-10-21
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vol. , part 5, pp. 1521–1526

A table giving fatty acid composition (Table A) and figures showing electron micrographs and a phylogenetic tree (Figs A and B, respectively) are available to download. [PDF](659KB)



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