Gaetbulibacter aquiaggeris sp. nov., a member of the Flavobacteriaceae isolated from seawater
Jung, Yong-Taek and Lee, Jung-Sook and Yoon, Jung-Hoon,, 66, 1131-1137 (2016),
doi = https://doi.org/10.1099/ijsem.0.000845,
publicationName = Microbiology Society,
issn = 1466-5026,
abstract= A Gram-stain-negative, non-flagellated, non-gliding and rod-shaped bacterial strain, designated KEM-8T, was isolated from seawater in the Korean peninsula. Strain KEM-8T was found to grow optimally at pH 7.0–8.0, at 30 °C and in the presence of 2–3 % (w/v) NaCl. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain KEM-8T falls within the clade comprising species of the genus Gaetbulibacter, clustering with the type strains of Gaetbulibacter marinus and Gaetbulibacter lutimaris with which it exhibits 98.4 and 97.2 % 16S rRNA gene sequence similarity, respectively. Sequence similarities to Gaetbulibacter saemankumensis SMK-12T and Gaetbulibacter aestuarii KCTC 23303T were 95.4 and 95.2 %, respectively. Strain KEM-8T was found to contain MK-6 as the predominant menaquinone and iso-C15 : 0, iso-C17 : 0 3-OH, iso-C16 : 0 3-OH and iso-C15 : 1 G as the major fatty acids. The major polar lipids were identified as phosphatidylethanolamine and an unidentified lipid. The DNA G+C content of strain KEM-8T was 36.0 mol% and mean DNA–DNA relatedness values with G. marinus KCTC 23046T and G. lutimaris D1-y4T were 27.6 ± 0.9 and 10.3 ± 1.4 %, respectively. Differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, revealed that strain KEM-8T is distinguishable from species of the genus Gaetbulibacter with validly published names. On the basis of the data presented, strain KEM-8T represents a novel species of the genus Gaetbulibacter, for which the name Gaetbulibacter aquiaggeris sp. nov. is proposed. The type strain is KEM-8T ( = KCTC 42198T = NBRC 110553T).,
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