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Halobacillus seohaensis sp. nov., isolated from a marine solar saltern in Korea

Korea Research Institute of Bioscience and Biotechnology (KRIBB), PO Box 115, Yusong, Taejon, Republic of Korea

Correspondence
Jung-Hoon Yoon
jhyoon{at}kribb.re.kr

A Gram-positive or Gram-variable, motile, moderately halophilic, rod-shaped bacterial strain, ISL-50^T, was isolated from a marine solar saltern in Korea and subjected to a polyphasic taxonomic study. Strain ISL-50^T grew optimally at pH 7.0–8.0 and 37 °C in the presence of 8 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain ISL-50^T belonged to the genus Halobacillus. Strain ISL-50^T exhibited 16S rRNA gene sequence similarity values of 95.3–98.2 % with respect to the type strains of recognized Halobacillus species. The cell-wall peptidoglycan was based on meso-diaminopimelic acid, the predominant menaquinone was MK-7 and the major fatty acids were anteiso-C_{15 : 0} and anteiso-C_{17 : 0}. The DNA G+C content was 39.3 mol%. DNA–DNA relatedness data and differential phenotypic properties revealed that strain ISL-50^T was distinguishable from the recognized Halobacillus species. On the basis of phenotypic, chemotaxonomic, phylogenetic and genetic data, strain ISL-50^T represents a novel species of the genus Halobacillus, for which the name Halobacillus seohaensis sp. nov. is proposed. The type strain is ISL-50^T (=KCTC 13145^T=CCUG 54358^T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain ISL-50^T is EF612763.

A transmission electron micrograph of a cell of strain ISL-50^T is available with the online version of this paper.

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