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Volume 56, Issue 4

gen. nov., sp. nov., a novel member of the family Free

Abstract

The taxonomic position of four Gram-negative, rod-shaped, golden-yellow-coloured bacteria isolated from marine sediments was determined. Analysis of the almost complete 16S rRNA gene sequences indicated that these isolates belong to the family . An unclassified bacterium, NBRC 15975, was found to be the closest relative, showing 16S rRNA gene sequence similarity of 93 %; other related genera shared only 87·9–90·5 % similarity. In contrast, the four isolates shared high levels of 16S rRNA gene sequence similarity (99·3–99·7 %) and high DNA–DNA reassociation values (93–104 %). The isolates could be differentiated phenotypically from other genera by the abilities to reduce nitrate and to degrade gelatin, casein and starch. The only respiratory quinone was MK-6, and the major fatty acids were iso-C, iso-C, anteiso-C, iso-C 9 and iso-C 3-OH. The DNA G+C content was 38–40 mol%. Differentiating phenotypic characteristics and large phylogenetic distances between the isolates and previously published genera indicated that the isolates constitute a novel genus, for which the name gen. nov. is proposed. The type species is sp. nov. (type strain CNI-3=NBRC 100966=LMG 23246).

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2006-04-01
2024-04-20
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Sediminicola luteus gen. nov., sp. nov., a novel member of the family Flavobacteriaceae
Int J Syst Evol Microbiol 56, 841 (2006); https://doi.org/10.1099/ijs.0.64047-0
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