1887

Abstract

A Gram-positive, endospore-forming, xylanase-producing bacterium isolated from a rice field was studied taxonomically. The strain grows at 10–40 °C and in the presence of lysozyme or 5 % (w/v) NaCl. Chemotaxonomic analysis revealed that MK-7 was the predominant menaquinone of the isolated strain, while the major fatty acid was anteiso-C. Comparison of 16S rRNA gene sequences showed that strain BP-23 fell within the radiation of the cluster comprising species. The highest 16S rRNA gene sequence similarities were found with (97·4 %), (97·1 %) and (96·9 %). The DNA–DNA relatedness of strain BP-23 with respect to these three species was very low (32·7, 31·6 and 23·0 %, respectively). On the basis of phenotypic and genotypic data, strain BP-23 should be placed in the genus and designated a novel species, for which the name sp. nov. is proposed. The type strain is BP-23 (=CECT 7022=DSM 15478).

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2005-03-01
2021-10-28
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