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Algivirga pacifica gen. nov., sp. nov., a Novel Agar-Degrading Marine Bacterium of the Family Flammeovirgaceae Isolated from Micronesia

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Abstract

An aerobic, Gram-negative, coccoid to short rod-shaped and non-flagellated marine bacterial strain S354T was isolated from seawater of Micronesia. The strain was capable to degrade agar-forming slight depression into agar plate. Growth occurred at a temperature range of 12–44 °C, a pH range of 5–9, and a salinity range of 1–7 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences suggested that S354T belongs to the family Flammeovirgaceae. The novel strain was most closely related to Limibacter armeniacum YM 11-185T with similarity of 92.5 %. The DNA G+C content was 43.8 mol%. The major fatty acids (>10 %) were iso-C15:0 and C16:1 ω5c. The predominant isoprenoid quinone was determined to be MK-7. Polar lipid profile of S354T consisted of phosphatidylethanolamine, unknown polar lipid, and unknown glycolipids. Based on the phenotypic, phylogenetic, biochemical, and physiological tests conducted in this study, S354T is proposed to represent a type strain of a novel genus and species. The 16S rRNA gene sequence of S354T is registered in GenBank under the accession number JQ639084. The type of strain Algivirga pacifica gen. nov., sp. nov. is S354T (=KCCM 90107T=JCM 18326T).

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Acknowledgments

This research was financially supported by research Grants (PE98931, PE99161, PM57210) from Korea Institute of Ocean Science and Technology (KIOST) and Technology Development for Bioenergy Production from Marine Biomass Funded by Ministry of Land, Transport and Maritime Affairs of Korean Government.

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Correspondence to Do-Hyung Kang or Chulhong Oh.

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Kim, J.J., Kim, J.H., Kwon, YK. et al. Algivirga pacifica gen. nov., sp. nov., a Novel Agar-Degrading Marine Bacterium of the Family Flammeovirgaceae Isolated from Micronesia. Curr Microbiol 67, 742–747 (2013). https://doi.org/10.1007/s00284-013-0429-z

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  • DOI: https://doi.org/10.1007/s00284-013-0429-z

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