Clostridium lundense sp. nov., a novel anaerobic lipolytic bacterium isolated from bovine rumen

International Journal of Systematic and Evolutionary Microbiology
Dores G CirneBo Mattiasson

Abstract

A strictly anaerobic, mesophilic, endospore-forming, lipolytic bacterium, designated strain R1T, was isolated from bovine rumen fluid and characterized. Cells of this isolate were Gram-positive, non-motile rods that formed spherical terminal spores. The overall biochemical and physiological characteristics indicated that this strain should be placed in the genus Clostridium. The strain grew at temperatures between 25 and 47 degrees C (optimum, 37 degrees C), at pH between 5.0 and 8.5 (optimum pH 5.5-7.0) and in NaCl concentrations of 0-3% (w/v). The isolate was not able to utilize glucose or other carbohydrates as carbon sources. The DNA G + C content was 31.2 mol%. Sequence analysis of the 16S rRNA gene of R1T revealed that it has the closest match (98 % similarity) with Clostridium tetanomorphum DSM 4474T. The highest levels of DNA-DNA relatedness of the isolate were 61.9 and 54.3% with Clostridium pascui DSM 10365T and C. tetanomorphum DSM 4474T, respectively. Based on 16S rRNA gene sequence similarity, phylogenetic analysis, DNA G + C content, DNA-DNA hybridization data and distinct phenotypic characteristics, strain R1T (= DSM 17049T = CCUG 50446T) was classified in the genus Clostridium, as a member of a novel species, fo...Continue Reading

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Citations

Dec 17, 2009·The Journal of Pediatrics·Jason R BarashStephen S Arnon
Nov 26, 2015·International Journal of Systematic and Evolutionary Microbiology·Qi YinDaping Li
Dec 5, 2008·FEMS Microbiology Letters·Kimberly S BowmanWilliam M Moe
Nov 5, 2016·Applied Biochemistry and Biotechnology·Gyuseong HanSeokhwan Hwang
Apr 24, 2007·Advances in Applied Microbiology·Moh'd Salameh, Juergen Wiegel
Aug 30, 2019·Applied Microbiology and Biotechnology·Rosa MarchettiFrancesca Fiume
Jul 22, 2018·International Journal of Systematic and Evolutionary Microbiology·Yingying DongQinglin Xie

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