1887

Abstract

A Gram-negative, non-motile and coccoid, ovoid or rod-shaped bacterial strain, designated MA1-1, was isolated from a sea squirt () collected from the South Sea, Korea. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain MA1-1 is phylogenetically closely related to species and to . It exhibited 16S rRNA gene sequence similarities of 97.3, 97.1 and 97.3 % to the type strains of , and , respectively. Strain MA1-1 contained Q-10 as the predominant ubiquinone and Cω7 as the predominant fatty acid. The polar lipid profile of strain MA1-1 was similar to those of the type strains of and . was found to be phylogenetically and chemotaxonomically more closely related to species and strain MA1-1 than to , the type species of the genus . The DNA G+C content of strain MA1-1 was 57.9 mol%, and DNA–DNA relatedness to the type strains of the two species and was 9–14 %. Differential phenotypic properties, together with the observed phylogenetic and genetic distinctiveness, distinguished strain MA1-1 from the two species and . On the basis of the data presented, strain MA1-1 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is MA1-1 ( = KCTC 23699  = CCUG 61486). In this study, it is also proposed that is reclassified as a member of the genus , comb. nov. (type strain GA2-M15  = DSM 19593  = KACC 12675). An emended description of the genus is also presented.

Funding
This study was supported by the:
  • , National Fisheries Research and Development Institute (NFRDI)
  • , 21C Frontier Program of Microbial Genomics and Applications , (Award 11-2008-00-002-00)
  • , BK21 program
  • , Ministry of Education, Science & Technology (MEST) of the Republic of Korea
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2012-08-01
2020-12-04
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