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Title 

Sphingopyxis baekryungensis sp. nov., an orange-pigmented bacterium isolated from sea water of the Yellow Sea in Korea

Authors 

Jung-Hoon YoonChoong Hwan LeeS H YeoTae Kwang Oh

Publisher 

Society for General Microbiology

Issue Date 

2005

Citation 

International Journal of Systematic and Evolutionary Microbiology, vol. 55, no. 3, pp. 1223-1227

Keywords 

bacterial DNAglycosphingolipidphosphatidylethanolaminesea waterbacterial growthbacterial strainbacterium culturebacterium isolatebacterium isolationgram negative bacterium

Abstract 

A Gram-negative, motile, slightly halophilic bacterial strain, SW-150T, was isolated from sea water of the Yellow Sea, Korea, and was characterized by a polyphasic taxonomic approach. Strain SW-150T grew optimally at 25-30 °C and in the presence of 2 % (w/v) NaCl. The isolate could be distinguished from other Sphingopyxis species in producing an orange pigment. It contained ubiquinone-10 as the predominant respiratory lipoquinone and C18:1ω7c and C17:1ω6c as the major fatty acids. No 3-hydroxy fatty acids were detected. Major polar lipids were sphingoglycolipid, diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The DNA G+C content was 63 mol%. Comparative 16S rRNA gene sequence analyses showed that strain SW-150T was phylogenetically affiliated to the genus Sphingopyxis of the family Sphingomonadaceae. Similarity values between the 16S rRNA gene sequences of strain SW-150T and the type strains of Sphingopyxis species ranged from 91.6 to 94.2 %, making it possible to categorize strain SW-150T as a species that is separate from previously described Sphingopyxis species. On the basis of phenotypic properties and phylogenetic distinctiveness, SW-150T (=KCTC 12231T=DSM 16222T) should be classified as the type strain of a novel Sphingopyxis species, for which the name Sphingopyxis baekryungensis sp. nov. is proposed.

ISSN 

1466-5026

Link 

http://dx.doi.org/10.1099/ijs.0.63495-0

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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