1887

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Volume 54, Issue 5

sp. nov., an (Dinophyceae) cyst formation-promoting bacterium from Hiroshima Bay, Japan Free

Abstract

Heterotrophic bacteria isolated from water samples taken from Hiroshima Bay, Japan, and referred to as (Dinophyceae) cyst formation-promoting bacteria, were assigned to the –– group within the - on the basis of nearly complete 16S rRNA gene sequences. Phylogenetic analyses showed that two strains, CFPB-A9 and CFPB-A5, are closely related to each other and that their closest relative was (95·9 % sequence similarity). These strains were Gram-negative, motile, obligately aerobic rods that required sodium ions and 2–7 % sea salts for growth and did not produce bacteriochlorophyll . Their optimal growth temperature was 25–30 °C. The strains had Q-10 as the dominant respiratory quinone. Primary cellular fatty acid in both strains was 18 : 17. The DNA G+C contents of strains CFPB-A9 and CFPB-A5 were 59·1 and 59·2 mol%, respectively. Based on physiological, biological, chemotaxonomic and phylogenetic data, the strains are considered to represent a novel species, sp. nov., with type strain CFPB-A9 (=LMG 22015=NBRC 100362).

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Keyword(s): Alex-CFPB, Alexandrium cyst formation-promoting bacteria (-um)
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2004-09-01
2024-04-25
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Jannaschia cystaugens sp. nov., an Alexandrium (Dinophyceae) cyst formation-promoting bacterium from Hiroshima Bay, Japan
Int J Syst Evol Microbiol 54, 1687 (2004); https://doi.org/10.1099/ijs.0.03029-0
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