1887

Abstract

Four isolates from freshly caught fish samples obtained from the South Atlantic Ocean off the South African coastline were shown to represent a novel species in the genus by means of a polyphasic taxonomic study. The four isolates had virtually identical whole-cell protein profiles, fatty acid profiles and biochemical properties. Analysis of the 16S rRNA sequence of strain LMG 23089 revealed 99.3 and 98.9 % similarity to the 16S rRNA sequences of the type strains of and , respectively. Strain LMG 23089 and the and type strains formed a stable lineage supported by a bootstrap value of 100 %. The levels of DNA–DNA hybridization towards these nearest phylogenetic neighbours were below 57 %. The absence of growth on MacConkey agar or at 37 °C (on nutrient agar), the capacity to grow in the presence of 5 % NaCl and the production of urease activity differentiate this novel taxon from and . The four isolates are formally classified as sp. nov., with strain LMG 23089 (=CCUG 51923) as the type strain. Its DNA G+C content is 33.6 mol%.

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2006-06-01
2019-10-15
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