Flavobacterium chungangensis sp. nov., a Bacterium Isolated from Soil of Chinese Cabbage Garden

Current Microbiology
Md Amdadul HuqSun-Young Lee

Abstract

A novel bacterial strain MAH-10T was isolated from soil sample of a Chinese cabbage garden, Republic of Korea and was characterized using a polyphasic approach. Cells were Gram-staining negative, rod-shaped, yellowish orange colored, and motile. The strain was aerobic, catalase and oxidase are positive, and optimum growth temperature and pH were 28 °C and 6.5, respectively. Flexirubin-type pigments were found to be present. On the basis of 16S rRNA gene sequence analysis, strain MAH-10T belongs to the genus Flavobacterium and is most closely related to Flavobacterium tyrosinilyticum KCTC 42726T (98.7%). On the basis of phylogenetic tree, other closely related species are Flavobacterium banpakuense KACC 14225T (98.3%) and Flavobacterium chungbukense KACC 15048T (97.6%). In DNA-DNA hybridization tests, the DNA relatedness between strain MAH-10T and its closest phylogenetic neighbor was below 45.0%. The DNA G+C content was 37.2 mol% and the predominant respiratory quinone was menaquinone-6. The major cellular fatty acids were C15:0 iso, C16:0, and summed feature 3 (C16:1ω7c and/or C16:1ω6c). On the basis of DNA-DNA hybridization results and genotypic, chemotaxonomic, and physiological data analysis, it is demonstrated that strain ...Continue Reading

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Citations

Sep 5, 2019·International Journal of Systematic and Evolutionary Microbiology·Guo-Qing ZhangYu-Hua Xin
Jan 4, 2019·Current Microbiology·Sanjit C DebnathPin-Mei Wang
Dec 20, 2018·International Journal of Systematic and Evolutionary Microbiology·Yochan JoungJang-Cheon Cho

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Methods Mentioned

BETA
PCR

Software Mentioned

_ X
CLUSTAL
Man
EzTaxon
Seq
Molecular Evolutionary Genetics Analysis ( MEGA
Microbial Identification system MIDI
BioEdit

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