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Title 

Halocynthiibacter namhaensis gen. nov., sp nov., a novel alphaproteobacterium isolated from sea squirt Halocynthia roretzi

Authors 

Y O KimS ParkHyang Mi KimDoo-Sang ParkB H NamD G KimJ H Yoon

Publisher 

Springer Verlag (Germany)

Issue Date 

2014

Citation 

Antonie Van Leeuwenhoek, vol. 105, no. 5, pp. 881-889

Keywords 

Halocynthiibacter namhaensis gen. nov., sp. novNovel genusNovel speciesSea squirt

Abstract 

A Gram-negative, non-motile and rod-shaped bacterial strain, designated RA2-3T, was isolated from a sea squirt (Halocynthia roretzi) collected from the South Sea, Korea, and its taxonomic position was investigated by using a polyphasic approach. Strain RA2-3T was observed to grow optimally at 25°C, at pH 7.0-7.5 and in the presence of 2 % (w/v) NaCl. Strain RA2-3T exhibited the highest 16S rRNA gen. sequence similarity values to the type strains of Litoreibacter meonggei (95.7 %), Planktotalea frisia (95.6 %), Thalassobius gelatinovorus (95.5 %) and Pelagicola litoralis (95.4 %). A neighbour-joining phylogenetic tree based on 16S rRNA gen. sequences revealed that strain RA2-3T clustered with the type strains of Planktotalea frisia, Pelagicola litoralis, Pacificibacter maritimus and Roseovarius marinus. Strain RA2-3T was found to contain Q-10 as the predominant ubiquinone and C18:1 ω7c as the major fatty acid. The major polar lipids detected in strain RA2-3T were phosphatidylcholine, phosphatidylglycerol, one unidentified aminolipid and one unidentified lipid. The DNA G+C content of strain RA2-3T was 52.9 mol%. On the basis of the phylogenetic, chemotaxonomic and phenotypic properties, strain RA2-3T is considered to represent a new gen.s and species within the family Rhodobacteraceae, for which the name Halocynthiibacter namhaensis gen. nov., sp. nov. is proposed. The type strain of H. namhaensis is RA2-3T (=KCTC 32362T=NBRC 109999T).

ISSN 

0003-6072

Link 

http://dx.doi.org/10.1007/s10482-014-0142-3

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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