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A novel Gram-positive, motile, endospore-forming, aerobic bacterium was isolated from the NASA Phoenix Lander assembly clean room that exhibits 100 % 16S rRNA gene sequence similarity to two strains isolated from a deep subsurface environment. All strains are rod-shaped, endospore-forming bacteria, whose endospores are resistant to UV radiation up to 500 J(More)
Gram-stain-negative, aerobic, halophilic bacteria, designated SCM-1(T), LCM10-1 and CTBL-B-147, were isolated from modified half-strength SWM-III medium, PES medium and thalli after laboratory cultivation of a red alga, Porphyra yezoensis. Phylogenetic analysis of 16S rRNA gene sequences indicated that the new isolates were affiliated to the genus(More)
Marine macroalgae cannot develop normal morphology under axenic conditions although normal morphogenesis can be sustained when certain bacteria are present. In this study, bacteria that induced normal morphogenesis in the red alga Pyropia yezoensis (Nori) were identified. The bacteria were isolated from algal media, thalli, tissue debris, and purified(More)
Three Gram-negative, non-motile, strictly aerobic strains, designated LNM-20(T), LCM-1 and LAM-13, were isolated from thalli of the marine red alga Porphyra yezoensis. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the isolates were associated with the genus Polaribacter in the family Flavobacteriaceae and were most closely related to(More)
Three Gram-negative, stalked, motile bacteria, designated 0C-2-2(T), 0C-17 and LNM-3, were isolated from the red alga Porphyra yezoensis. 16S rRNA gene sequence analysis revealed that the three novel strains belonged to the family Hyphomonadaceae, and were closely related to Litorimonas taeanensis G5(T) (96.5 % 16S rRNA gene sequence similarity) and Hellea(More)
Five alginolytic, facultative anaerobic, non-motile bacteria were isolated from the gut of Japanese abalones (Haliotis discus discus, H. diversicolor diversicolor and H. diversicolor aquatilis). Phylogenetic analyses based on 16S rRNA gene and gap gene sequences indicated that these strains are closely related to V. halioticoli. DNA-DNA hybridizations,(More)
Three Gram-negative, motile, aerobic bacteria were isolated from cultures of the marine red alga Porphyra yezoensis. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the novel strains were closely related to Maritalea myrionectae CL-SK30(T) (97.9% 16S rRNA gene sequence similarity) and Zhangella mobilis E6(T) (96.2 %). 16S rRNA gene(More)
Three strains (14A-2-7(T), 14A-3-1 and 14A-3) of Gram-stain-negative, prosthecate, motile bacteria were isolated from an algal medium supplemented with 10 mg ampicillin l(-1) (w/v), in which the red alga Porphyra yezoensis had been cultured. Based on the 16S rRNA gene sequence analysis, the three isolates formed a cluster with the genus Algimonas of the(More)
Six isolates of a facultatively anaerobic bacterium were recovered in culture from marine invertebrates and vertebrates, including packhorse lobster (Jasus verreauxi), abalone (Haliotis sp.) and Atlantic salmon (Salmo salar), between 1994 and 2002. The bacteria were Gram-negative, rod-shaped and motile by means of more than one polar flagellum,(More)
The Vibrio splendidus clade is the biggest in Vibrionales composed of 11 described species (25). Diversification of these species may have occurred 260 million years ago. The main driving forces of speciation in this clade have never been studied. Population biological parameters (population base recombination rate (ρ), population base mutation rate (θ),(More)