Chryseobacterium miricola sp nov., a novel species isolated from condensation water of space station Mir

被引:84
作者
Li, Y
Kawamura, Y
Fujiwara, N
Naka, T
Liu, HS
Huang, XX
Kobayashi, K
Ezaki, T
机构
[1] Gifu Univ, Grad Sch Med, Dept Microbiol, Gifu 5008705, Japan
[2] Osaka City Univ, Sch Med, Dept Bacteriol, Osaka 545, Japan
关键词
Chryseobacteirum miricola sp nov; 16S rDNA; Flavobacteria; space station;
D O I
10.1078/072320203770865828
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Classification of strain W3-B1, which was isolated from condensation water in the Russian space laboratory Mir, was investigated by a polyphasic taxonomic approach. Cells of strain W3-B1 were nonmotile, asporogenous, gram-negative slender rods with rounded ends. 16S rRNA gene sequence analysis indicated that organism should be placed in the genus Chryseobacterium. This organism contains menaquinone MK-6 as the predominent isoprenoid quinone and 3-OH iso 17:0 (40%), iso 15:0 (33%) as the major fatty acids. Phylogenetically, the nearest relative of strain W3-B1 is Chryseobacterium meningosepticum with sequence similarity of 98.4%, but DNA-DNA hybridization resulted in similarity values of only 52.3%. The G + C mol% is 34.6 mol%. Based upon results obtained by morphological, biochemical, chemotaxonomic, and molecular methods, strain W3-B1 was clearly distinguishable from other Chryseobacterium species. For these reasons, a novel species of family Flavobacteriaceae is proposed; strain W3-B1(T) (= GTC 862(T) = JCM 11413(T) = DSM 14571(T)) is the type strain.
引用
收藏
页码:523 / 528
页数:6
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