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Volume 56, Issue 6

gen. nov., sp. nov., a mesophilic marine bacterium of the family , isolated from a mature biofilm Free

Abstract

A marine bacterium, strain KOPRI 13342, was isolated from a mature marine biofilm, including various marine algae, covering a rock-bed of the East Sea, Korea (also known as the Sea of Japan). Colonies of the isolate were orange-coloured on marine agar 2216. The isolate showed relatively high 16S rRNA gene sequence similarities to members of the genera (91.2–92.4 % similarity), (90.7–91.5 %) and (90.7–91.4 %). Phylogenetic analysis based on the nearly complete 16S rRNA gene sequence revealed that the isolate formed a phyletic lineage with members of the genus . Cells were aerobic, motile, Gram-negative rods and they produced non-diffusible carotenoid pigments. Optimal growth was observed at pH 7.5–8.0 and 26–32 °C and required the presence of 3 % (w/v) sea salt. The strain required Ca and K ions in addition to NaCl for growth. The dominant fatty acids were i-15 : 0, i-15 : 110, 15 : 0 and 16 : 19. The major respiratory quinone was MK-6. The DNA G+C content was 35.8 mol%. On the basis of this polyphasic taxonomic evidence, strain KOPRI 13342 should be classified as a representative of a novel species in a new genus in the family ; the name gen. nov., sp. nov. is proposed. The type strain of is KOPRI 13342 (=KCCM 42265=JCM 13411).

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2006-06-01
2024-04-16
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Costertonia aggregata gen. nov., sp. nov., a mesophilic marine bacterium of the family Flavobacteriaceae, isolated from a mature biofilm
Int J Syst Evol Microbiol 56, 1349 (2006); https://doi.org/10.1099/ijs.0.64168-0
/content/journal/ijsem/10.1099/ijs.0.64168-0
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