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KMID : 0545120090190030250
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Journal of Microbiology and Biotechnology
2009 Volume.19 No. 3 p.250 ~ p.256
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Acinetobacter antiviralis sp. nov., from Tobacco Plant Roots
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Lee Jung-Sook
Hwang In-Cheon
Lee Keun-Chul
Kim Kwang-Kyu
Jang Cheol
Kim Nam-Gyu
Yeo Woon-Hyung
Kim Beom-Seok
Yu Yong-Man
Ahn Jong-Seog
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Abstract
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Acinetobacter strain KNF2022T was isolated from tobacco plant roots during the screening of antiviral substances having inhibitory effects on Tobacco mosaic virus (TMV) and examined by phenotypic, chemotaxonomic, and genetic characterization. It was a nonmotile, Gram-negative bacterium. This strain contained Q-9 as the main respiratory quinone. The major cellular fatty acids of the isolate were 16:0, 18:1 w9c, and 16:1 w7c/15 iso 2OH. The DNA base composition was 44 mol%. Phylogenetic analysis based on the 16S rRNA sequence revealed that the isolate formed an evolutionary lineage distinct from other Acinetobacter species. Based on the evaluation of morphologic, physiologic, and chemotaxonomic characteristics, DNA-DNA hybridization values, and 16S rRNA sequence comparison, we propose the new species Acinetobacter antiviralis sp. nov., the type strain of which is KNF2022T(=KCTC0699BPT).
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KEYWORD
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Acinetobacter antiviralis sp. nov., antiviral activity, polyphasic taxonomy
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