1887

Abstract

Two Gram-negative, non-motile, non-spore-forming, moderately halophilic strains, JG-100 and JG-102, were isolated from squid jeotgal, a traditional Korean fermented seafood. The two strains grew optimally at 30 °C and in the presence of 2–3 % (v/w) NaCl. Strains JG-100 and JG-102 were characterized chemotaxonomically; they both had ubiquinone-8 as the predominant respiratory lipoquinone and C 9 as the major fatty acid. Their DNA G+C content was 44 mol%. Strains JG-100 and JG-102 showed 1 bp difference in their 16S rRNA gene sequences and a mean DNA–DNA relatedness level of 88 %. Phylogenetic analysis based on 16S rRNA gene sequences showed that strains JG-100 and JG-102 form a distinct phylogenetic lineage within the cluster comprising species. The 16S rRNA gene sequences of strains JG-100 and JG-102 had similarity levels of 95·2–98·4 % to sequences of the type strains of recognized species. Levels of DNA–DNA relatedness between strains JG-100 and JG-102 and the type strains of some phylogenetically related species were 6–24 %. On the basis of phenotypic and phylogenetic data and genomic distinctiveness, strains JG-100 and JG-102 should be placed in the genus as a novel species, for which the name sp. nov. (type strain, JG-100=KCTC 12186=DSM 16065) is proposed.

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2005-01-01
2020-01-21
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vol. , part 1, pp. 171–176

A table showing the fatty acid compositions of strains JG-100 and JG-102 is available to download. [PDF](98KB)



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