科研之友
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摘要
A Gram-reaction-negative, flexirubin-type-pigmented, rod-shaped, aerobic, non-motile bacterium, designated strain Z12(T), was isolated from a subsurface sediment sample. In a phylogenetic tree based on 16S rRNA gene sequences, strain Z12(T) formed a distinct clade with the members of the genus Dyadobacter (<96.7% sequence similarity). The G+C content of genomic DNA was 45.4%. The major fatty acids of strain Z12(T) were iso-C-(15:0) C-16:1 omega 6c and/or C-16:1 omega 7c (summed feature 3) and anteiso-C-17:1 B and/or iso-C-17:1 I (summed feature 4). The major respiratory quinone was MK-7 and the major polar lipid was phosphatidylethanolamine. On the basis of phenotypic, phylogenetic and genotypic features, strain Z12(T) is considered to represent a novel species, for which the name Dyadobacter secliminis sp. nov., is proposed. The type strain is Z12(T)- (=JCM 30073(T)-=CGMCC 1.12895(T)).
