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Title 

Salinisphaera orenii sp. nov., isolated from a solar saltern

 

염전에서 분리된 신종세균 Salinisphaera orenii

Authors 

S J ParkI T ChaS J KimKee Sun ShinY S HongD H RohS K Rhee

Publisher 

Society for General Microbiology

Issue Date 

2012

Citation 

International Journal of Systematic and Evolutionary Microbiology, vol. 62, no. 8, pp. 1877-1883

Abstract 

A taxonomic study was performed on two isolates, designated strains MK-B5 T and MK-B7, isolated from sediment of a solar saltern pond in Gomso Bay, Republic of Korea. Comparative 16S rRNA gene sequence analysis showed that strains MK-B5 T and MK-B7 belong to the Gammaproteobacteria and are related most closely to Salinisphaera shabanensis JCM 11575 T (=E1L3A T) (96.3 and 96.5% similarity, respectively), Salinisphaera dokdonensis KCCM 90064 T (=CL-ES53 T) (95.6 and 95.6 %) and Salinisphaera hydrothermalis JCM 115514T (=EPR70 T) (95.1 and 95.3 %). The level of 16S rRNA gene sequence similarity between strains MK-B5 T and MK-B7 was 99.8 %. The G+C contents of their genomic DNAs were 63.4 and 63.6 mol%, respectively, and the major respiratory quinone was ubiquinone-8. DNA-DNA relatedness between strains MK-B5 T and MK-B7 was 98 %, indicating that the two isolates represent a single species. However, the level of DNA-DNA relatedness between the two isolates and S. shabanensis E1L3AT (26.4-30.8 %) indicates that they represent a novel species. Strains MKB5 T and MK-B7 possessed C 14: 0, C 16: 0 and C19: 0v8c cyclo as major fatty acids. The two isolates were Gram-stain-negative, strictly aerobic, short rod-shaped and motile. They grew at 10-40 6C (optimum, 35-37 6C), at pH 5.0-8.5 (optimum, 7.0-7.5) and with 5-25% (w/v) NaCl (optimum, 15% NaCl). On the basis of phenotypic and phylogenetic analyses, strains MK-B5 T and MK-B7 are thus considered to represent a novel species of the genus Salinisphaera, for which the name Salinisphaera orenii sp. nov. is proposed. The type strain is MK-B5 T (=KC TC 23198 T = JCM 17073 T).

ISSN 

1466-5026

Link 

http://dx.doi.org/10.1099/ijs.0.028647-0

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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