Kocuria tytonis sp. nov., isolated from the uropygial gland of an American barn owl (Tyto furcata) Free

Abstract

Avian uropygial glands have received increasing attention in recent years, but little is known about micro-organisms in uropygial glands. In this study, we isolated a strain of Gram-stain-positive, non-motile, non-spore-forming cocci, designated 442, from the uropygial gland of an American barn owl (Tyto furcata) and characterized it using a polyphasic approach. 16S rRNA gene sequence analysis placed the isolate in the genus Kocuria . The G+C content was 70.8 mol%, the major menaquinone was MK-7(H2) and the predominant cellular fatty acids were anteiso-C15 : 0, anteiso-C17 : 0 and iso-C15 : 0. Phylogenetic analyses based on the 16S rRNA gene identified Kocuria rhizophila DSM 11926 (99.6 % similarity), Kocuria salsicia DSM 24776 (98.7 %), Kocuria varians DSM 20033 (98.3 %) and Kocuria marina DSM 16420 (98.3 %) as the most closely related species. However, average nucleotide identity values below 86 % indicated that the isolate differed from all species hitherto described. Chemotaxonomic analyses and whole-cell protein profiles corroborated these findings. Accordingly, the isolate is considered to be a member of a novel species, for which the name Kocuria tytonis sp. nov. is proposed. The type strain is 442 (=DSM 104130=LMG 29944).

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2019-01-10
2024-03-28
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