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Ochrovirga pacifica gen. nov., sp. nov., A Novel Agar-Lytic Marine Bacterium of the Family Flavobacteriaceae Isolated From A Seaweed
Authors:Young-Kyung Kwon  Ji Hyung Kim  Jennifer Jooyoun Kim  Sung-Hyun Yang  Bo-Ram Ye  Soo-Jin Heo  Jung-Ho Hyun  Zhong-Ji Qian  Heung-Sik Park  Do-Hyung Kang  Chulhong Oh
Institution:1. Korea Institute of Ocean Science & Technology, Ansan, 426-744, Republic of Korea
2. Department of Environmental Marine Sciences, Hanyang University, Ansan, Gyonggi-do, 426-791, Republic of Korea
3. School of Marine and Atmospheric Science, Stony Brook University, Stony Brook, New York, NY, 11794-5000, USA
4. College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, 524088, China
Abstract:A strain designated as S85T was isolated from a seaweed collected from coastal area of Chuuk State in Micronesia. The strain was gram-negative, rod-shaped, and non-motile and formed yellow colonies on the SWY agar (0.2 % yeast extract and 1.5 % agar in seawater) and Marine agar 2216. The strain grew at pH 5–9 (optimum, pH 8), at 15–40 °C (optimum, 25–28 °C), and with 1–9 % (w/v) NaCl (optimum, 3 %). The phylogenetic analysis based on 16S rRNA gene sequence showed that strain S85T was related to Lutibacter litoralis CL-TF09T and Maritimimonas rapanae A31T with 91.4 % and with 90.5 % similarity, respectively. The dominant fatty acids were iso-C15:0, iso-C15:0 3-OH and iso-C17:0 3-OH, C16:0 3-OH and summed feature 3 (C16:1 ω7c and/or iso-C15:0 2-OH). The major isoprenoid quinone was MK-6. The DNA G+C content of the type strain was 34.6 mol %. The major polar lipids were phosphatidylethanolamine, an unknown glycolipid and two unknown polar lipids. Based on this polyphasic taxonomic data, strain S85T stands for a novel species of a new genus, and we propose the name Ochrovirga pacifica gen. nov., sp. nov. The type strain of O. pacifica is S85T (=KCCM 90106 =JCM 18327T).
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