Sphingomonas chloroacetimidivorans sp. nov., a chloroacetamide herbicide-degrading bacterium isolated from activated sludge

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ID: 114601
2015
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Abstract
Strain Y1T, a Gram-negative, non-spore-forming, rod-shaped bacterium, was isolated from activated sludge. This strain is able to degrade several commonly used chloroacetamide herbicides, such as butachlor, acetochlor and alachlor. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain Y1T is a member of the genus Sphingomonas and shows high sequence similarities with S. starnbergensis 382T (95.7 %), S. sanxanigenens NX02T (95.7 %) and S. haloaromaticamans A175T (95.3 %), and shows low (<95 %) sequence similarities to all other Sphingomonas species. Chemotaxonomic analysis revealed that strain Y1T possesses Q-10 as the predominant ubiquinone, C14:0 2-OH as the major 2-hydroxy fatty acid and sym-homospermidine as the major polyamine. The main cellular fatty acids of strain Y1T were found to be C18:1 ω7c (38.2 %), C16:1 ω6c/C16:1 ω7c (28.5 %), C16: 0 (10.7 %) and C14:0 2-OH (14.3 %). The main polar lipids were determined to be diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, sphingoglycolipids (SGL1-SGL3), phosphatidyl dimethylethanolamine and aminophospholipid. The DNA G+C content was found to be 66 ± 0.4 mol%. Based on phylogenetic analysis, phenotypic characteristics and chemotaxonomic data, strain Y1T is considered to represent a novel species of the genus Sphingomonas, for which the name Sphingomonas chloroacetimidivorans sp. nov. is proposed. The type strain is Y1T (=CCTCC AB 2011178T = KACC 16607T).
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chen2015antoniesphingomonas Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kai Chen;Qing Chen;Guo-Xiang Wang;Hai-Yan Ni;Jian He;Xin Yan;Jin-Gang Gu;Shun-Peng Li;Kai Chen;Qing Chen;Guo-Xiang Wang;Hai-Yan Ni;Jian He;Xin Yan;Jin-Gang Gu;Shun-Peng Li;
Journal antonie van leeuwenhoek
Year 2015
DOI
doi:10.1007/s10482-015-0526-z
URL
https://link.springer.com/article/10.1007/s10482-015-0526-z
Keywords
Microbiology plant sciences medical microbiology soil science & conservation

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