Journal
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
Volume 108, Issue 2, Pages 377-382Publisher
SPRINGER
DOI: 10.1007/s10482-015-0490-7
Keywords
Ferrovibrio xuzhouensis sp nov.; Cyhalothrin; Wastewater; Polyphasic taxonomy
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Funding
- National High Technology Research and Development Program of China [2012AA101403]
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A novel cyhalothrin-degrading strain, designated as LM-6(T), was isolated from a cyhalothrin contaminated wastewater sample. The bacterium was found to be Gram stain-negative, non-spore-forming, vibrio-shaped, and motile with a single polar flagellum. Strain LM-6(T) was observed to grow optimally at 28-30 A degrees C, pH 6.0 and in the absence of NaCl. Phylogenetic analysis based on 16S rRNA gene sequence comparisons revealed that strain LM-6(T) is a member of the genus Ferrovibrio, and showed the highest sequence similarity with Ferrovibrio denitrificans Sp-1(T) (97.7 %), followed by Taonella mepensis H1(T) (93.3 %). The major fatty acids of strain LM-6(T) (> 5 %) were determined to be C-18:1 omega 7c and/or C-18:1 omega 6c, C-16:0, C-18:1 2-OH and C-17:1 iso I and/or anteiso B. The major polar lipids were identified to be phosphatidylglycerol, phosphatidylethanolamine and phosphatidylmethylethanolamine. The major respiratory quinone was determined to be ubiquinone-10. The genomic DNA G+C content of strain LM-6(T) is 66.5 mol %. Strain LM-6(T) showed low DNA-DNA relatedness with F. denitrificans Sp-1(T) (53.1 +/- A 0.5 %). On the basis of phylogenetic, genomic, phenotypic and chemotaxonomic data, strain LM-6(T) is considered to represent a novel species of the genus Ferrovibrio, for which the name Ferrovibrio xuzhouensis sp. nov. is proposed. The type strain is Ferrovibrio xuzhouensis LM-6(T) (=KCTC 42182(T) = ACCC 19710(T)).
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