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Title 

Caenispirillum bisanense gen. nov., sp. nov., isolated from sludge of a dye works

Authors 

Jung-Hoon YoonSo Jung KangSooyeon ParkTae Kwang Oh

Publisher 

Society for General Microbiology

Issue Date 

2007

Citation 

International Journal of Systematic and Evolutionary Microbiology, vol. 57, no. 6, pp. 1217-1221

Keywords 

bacterial RNAcardiolipinphosphatidylcholinephosphatidylethanolaminephosphatidylglycerolalphaproteobacteriabacterial strainbacterium isolationcaenispirillum bisanenseDNA sequence

Abstract 

Two Gram-negative, non-spore-forming, motile and helical-shaped bacterial strains, K92T and K93, were isolated from sludge from a dye works in Korea, and their taxonomic positions were investigated by means of a polyphasic approach. Strains K92T and K93 grew optimally at 37°C and pH 7.0-8.0 in the presence of 0.5% (w/v) NaCl. They contained Q-10 as the predominant ubiquinone and C18:1 ω7c as the major fatty acid. The major polar lipids were phosphatidylcholine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and two unidentified amino-group-containing lipids that were ninhydrin-positive. Their DNA G+C contents were 70.0 mol%. The 16S rRNA gene sequences of K92T and K93 showed no differences, and the two strains had a mean DNA-DNA relatedness of 93%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strains K92T and K93 formed a distinct evolutionary lineage within the Alphaproteobacteria. The 16S rRNA gene sequences of strains K92T and K93 exhibited similarity values of less than 91.5% with respect to the 16S rRNA gene sequences of other members of the Alphaproteobacteria. The two strains were distinguishable from phylogenetically related genera through differences in several phenotypic properties. On the basis of the phenotypic, phylogenetic and genetic data, strains K92T and K93 represent a novel genus and species, for which the name Caenispirillum bisanense gen. nov., sp. nov. is proposed. The type strain of Caenispirillum bisanense is K92T (=KCTC 12839T = JCM 14346T).

ISSN 

1466-5026

Link 

http://dx.doi.org/10.1099/ijs.0.64910-0

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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