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Int J Syst Evol Microbiol. 2014 Dec;64(Pt 12):4141-6. doi: 10.1099/ijs.0.066688-0. Epub 2014 Sep 21.

Description of Comamonas serinivorans sp. nov., isolated from wheat straw compost.

Author information

1
School of Environmental Engineering, Jiangsu University, 301 Xuefu Road Zhenjiang 212013, PR China State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangzhou, PR China dczhucn@hotmail.com wmzhang58@qq.com.
2
School of Environmental Engineering, Jiangsu University, 301 Xuefu Road Zhenjiang 212013, PR China.
3
State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China.
4
State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangzhou, PR China dczhucn@hotmail.com wmzhang58@qq.com.

Abstract

A Gram-stain-negative bacterium, designated SP-35(T), was isolated from compost and was subjected to a taxonomic study. This isolate was short-rod-shaped and non-spore-forming. Phylogenetic analysis based on 16S rRNA sequence comparison indicated the isolate was related to the genus Comamonas. 16S rRNA gene sequence analysis showed that its closest neighbours were the type strains Comamonas odontotermitis Dant 3-8(T) (96.8 % similarity), Comamonas testosteroni DSM 50244(T) (96.5 %), Comamonas guangdongensis CY01(T) (95.9 %) and Comamonas composti YY287(T) (95.6 %). Using phylogenetic analysis, DNA-DNA hybridization, fatty acid composition data and a range of physiological and biochemical characteristics we could clearly distinguish strain SP-35(T) from type strains of the genus Comamonas. The genomic DNA G+C content of strain SP-35(T) was 63.1 mol%. The predominant cellular fatty acids were C16 : 0, C17 : 0 cyclo, summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7c) and summed feature 8 (C18 : 1ω6c and/or C18 : 1ω7c). The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine and phosphatidlyglycerol. Differences in phenotypic and phylogenetic characteristics support the classification of strain SP-35(T) as a representative of a novel species in the genus Comamonas, for which the name Comamonas serinivorans sp. nov. is proposed. The type strain is SP-35(T) ( = DSM 26136(T) = JCM 18194(T)).

PMID:
25242539
DOI:
10.1099/ijs.0.066688-0
[Indexed for MEDLINE]

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