1887

Abstract

A strictly aerobic, Gram-stain-negative, rod-shaped, motile by gliding and yellow-pigmented bacterium, designated strain 7Alg 4, was isolated from the green alga . Phylogenetic analysis based on 16S rRNA gene sequences revealed that the novel strain was affiliated to the family of the phylum , and was most closely related to the recognized species of the genera and , with 16S rRNA gene sequence similarities of 95.1–98.1 and 97.0 %, respectively. Strain 7Alg 4 grew in the presence of 1–5 % NaCl and at 4–32 °C, and hydrolysed aesculin, gelatin, starch and Tween 80. The prevalent fatty acids were iso-C G, iso-C, iso-C 3-OH, iso-C 3-OH and C. The polar lipid profile was characterized by the presence of phosphatidylethanolamine, three unidentified aminolipids and four unidentified lipids. The major respiratory quinone was MK-6. The DNA G+C content was 31.9 mol%. On the basis of the differences in 16S rRNA gene sequences, chemotaxonomic and phenotypic characteristics, it is suggested that strain 7Alg 4 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 7Alg 4 (=KCTC 23036=KMM 6381). Reclassification of as comb. nov. and an emend of the genus are also proposed.

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2016-11-01
2024-03-28
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