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Int J Syst Evol Microbiol. 2018 Oct;68(10):3356-3361. doi: 10.1099/ijsem.0.003001. Epub 2018 Sep 4.

Catenibacillus scindens gen. nov., sp. nov., a C-deglycosylating human intestinal representative of the Lachnospiraceae.

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Department of Gastrointestinal Microbiology, German Institute of Human Nutrition Potsdam-Rehbruecke, D-14558 Nuthetal, Germany.


An anaerobic Gram-stain-positive, non-spore-forming and non-motile bacterium isolated from the human gut, designated CG19-1T, capable of cleaving aromatic C-glucosides was characterized using a polyphasic taxonomic approach. Major fermentation products of this asaccharolytic organism were acetate and butyrate when grown on a complex medium. Growth of strain CG19-1T was stimulated by glucose or pyruvate. Growth inhibition was observed in the presence of several phenolic acids including ferulic acid, which nevertheless was reduced to dihydroferulic acid. Strain CG19-1T contained peptidoglycan type A4β l-Orn-d-Asp. The major cellular fatty acids were C16 : 0 and C18 : 1ω9c. The genomic DNA G+C content was 47.1 mol%. Based on its 16S rRNA gene sequence, strain CG19-1T is a member of the Lachnospiraceae. However, sequence identity to other Lachnospiraceae species with validly published names is approximately 93.0 % with Frisingicoccus caecimuris being the most closely related species according to phylogenetic analysis. Based on these findings, it is proposed to create a novel genus, Catenibacillus, and a novel species, Catenibacillus scindens, with the type strain CG19-1T (=DSM 106146T=CCUG 71490T).


Catenibacillus scindens; Lachnospiraceae; aromatic C-glucoside; deglycosylation; flavonoid; human intestinal microbiota

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