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KMID : 0880220120500020349
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Journal of Microbiology
2012 Volume.50 No. 2 p.349 ~ p.353
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Phycicoccus ochangensis sp. nov., isolated from soil of a potato cultivation field
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Kim Hyang-Mi
Park Doo-Sang
Lee Kang-Hyun
Bae Kyung-Sook
Oh Hyun-Woo
Kim Sung-Uk
Park Hee-Moon
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Abstract
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Two novel, Gram-positive, motile, coccal bacteria, strains L1b-b9T and B5a-b5, were isolated from a potato cultivation field in Ochang, Korea. These isolates grew at 10?45°C, pH 5.0?10.0, and in the presence of 8% (w/v) NaCl. The diagnostic diamino acid in the cell-wall peptidoglycan was meso-diaminopimelic acid. The major menaquinone was MK-8(H4) and the main cellular fatty acids were iso-C14:0, iso-C15:0, and anteiso-C15:0. Polar lipids in strain L1b-b9T consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, and an unknown glyco-amino lipid. The G+C content of genomic DNA was 73.6 mol%. A phylogenetic analysis based on 16S rRNA gene sequences showed that strains L1b-b9T and B5a-b5 shared 99.36% similarity and formed a robust clade with the type species of the genus Phycicoccus. Strain L1b-b9T is related most closely to Phycicoccus cremeus V2M29T (97.52% 16S rRNA gene sequence similarity). On the basis of phylogenetic characteristics, the name Phycicoccus ochangensis sp. nov. is proposed for strain LIb-b9T (=KCTC 19694T =JCM 17595T).
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KEYWORD
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Phycicoccus ochangensis, potato field, Intrasporangiaceae
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