Arthrobacter defluvii sp. nov., 4-chlorophenol-degrading bacteria isolated from sewage

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Title
Arthrobacter defluvii sp. nov., 4-chlorophenol-degrading bacteria isolated from sewage
Author(s)
Kwang Kyu Kim; Keun Chul Lee; Hee-Mock Oh; Mijung Kim; Mikyung UmJung-Sook Lee
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 58, no. 8, pp. 1916-1921
Publication Year
2008
Abstract
Two 4-chlorophenol-degrading bacteria, st rains 4C1-aT and 4C1-b, were isolated from sewage flowing into Geumho River near the Daegu industrial complex in Korea. Cells of the strains were Gram-positive and non-motile, displayed a rod-coccus life cycle and formed creamy white colonies on R2A agar or peptone-carbohydrate agar. The strains had chemotaxonomic markers that were consistent with classification in the genus Arthrobacter, i.e. MK-9(H2) as the major menaquinone, iso- and anteiso-branched components as the predominant fatty acids, galactose, glucose and rhamnose as cell-wall sugars, peptidoglycan-type A3α and DNA G + C content of 63.5-64.4 mol%. Phylogenetic analysis, based on 16S rRNA gene sequencing, showed that the strains were most similar to Arthrobacter chloropheno ficus DSM 12829T, Arthrobatter oxydans DSM 20119T and Arthrobacter scleromae JCM 12642T (with 98.4, 97.8 and 97.8 % similarity, respectively) and formed a separate lineage with A. chlorophenolicus in the genus Arthrobacter. Combined phenotypic data and DNA-DNA hybridization data supported the conclusion that strains 4C1-aT and 4C1-b represent a novel species in the genus Arthrobacter, for which the name Arthrobacter defluvii sp. nov. is proposed. The type strain is 4C1-aT (=KCTC 19209T =DSM 18782T).
ISSN
0020-7713
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.65550-0
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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