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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 55, Issue 1

sp. nov. and sp. nov., isolated from a tidal flat of the Yellow Sea in Korea Free

Abstract

Two Gram-negative, non-spore-forming, slightly halophilic strains, SW-135 and SW-161, which were isolated from a tidal flat of the Yellow Sea in Korea, were subjected to a polyphasic taxonomic study. The two isolates lacked bacteriochlorophyll and contained ubiquinone-10 (Q-10) as the predominant respiratory lipoquinone and C 7 and C 6 as the major fatty acids. The DNA G+C contents of strains SW-135 and SW-161 were 62·2 and 64·5 mol%, respectively. Phylogenetic analyses based on 16S rRNA gene sequences showed that the two strains fall within the radiation of the cluster comprising species. Strains SW-135 and SW-161 exhibited a 16S rRNA gene sequence similarity value of 96·9 % and a mean DNA–DNA relatedness level of 12·3 %. Sequence similarities between strains SW-135 and SW-161 and the type strains of recognized species ranged from 96·7 to 98·5 %. Levels of DNA–DNA relatedness were low enough to indicate that strains SW-135 and SW-161 represent members of two species separate from all recognized species. On the basis of polyphasic taxonomic data, strains SW-135 (=KCTC 12228=DSM 16221) and SW-161 (=KCTC 12227=DSM 16225) were classified as two novel species, for which the names sp. nov. and sp. nov. are proposed, respectively.

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Keyword(s): BChl, bacteriochlorophyll
SGM
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2005-01-01
2025-01-14
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Erythrobacter seohaensis sp. nov. and Erythrobacter gaetbuli sp. nov., isolated from a tidal flat of the Yellow Sea in Korea
Int J Syst Evol Microbiol 55, 71 (2005); https://doi.org/10.1099/ijs.0.63233-0
/content/journal/ijsem/10.1099/ijs.0.63233-0
/content/journal/ijsem/10.1099/ijs.0.63233-0
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