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A new H2/CO2-using acetogenic bacterium from the rumen: description of Ruminococcus schinkii sp. nov
F Rieu-Lesme1, B Morvan, M D Collins
1INRA, CR de Clermont-Ferrand-Theix, Unité de Microbiologie, Saint-Genès-Champanelle, France. rieu@clermont.inra.fr
FEMS Microbiology Letters
|July 1, 1996
Abstract:
Two strains of H2/CO2-using acetogenic bacteria were isolated from the rumen of suckling lambs. Both strains displayed a coccobacillar morphology and possessed a Gram-positive type cell wall. Numerous organic substrates, including some O-methylated aromatic compounds, were used heterotrophically. 16S rRNA gene sequencing demonstrated that the two acetogenic isolates were phylogenetically identical and represent a new subline within Clostridium cluster XIVa. Based on phenotypic and phylogenetic considerations a new species, Ruminococcus schinkii sp. nov., is proposed.