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Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

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Record number 551845
Title Propionibacterium ruminifibrarum sp. nov., isolated from cow rumen fibrous content
Author(s) Vaidya, Jueeli D.; Hornung, Bastian V.H.; Smidt, Hauke; Edwards, Joan E.; Plugge, Caroline M.
Source International Journal of Systematic and Evolutionary Microbiology 69 (2019)8. - ISSN 1466-5026 - p. 2584 - 2590.
Department(s) Microbiology
Systems and Synthetic Biology
Publication type Refereed Article in a scientific journal
Publication year 2019
Abstract A novel propionate producing bacterium, strain JV5T, was isolated from the rumen fibrous content of a Holstein Friesian dairy cow. Cells of strain JV5T were Gram-stain-positive, non-motile and aerotolerant. Growth occurred between 35 and 45 °C, with an optimum at 39 °C. The pH range for growth was 6.5–8, with an optimum at pH 7. The 16S rRNA gene sequence of strain JV5T was 98.4 and 96.5 % identical to those of Propionibacterium australiense DSM 15818T and Propionibacterium acidifaciens DSM 21887T, respectively. Genome wide average nucleotide identity and digital DNA–DNA hybridization values were 88.3 and 35.5 %, respectively, against P. australiense DSM 15818T. The G+C content of strain JV5T was 68.9 mol%. Strain JV5T did not produce urease and was able to metabolize glutamate, but not aspartate and glycine. Strain JV5T was able to ferment a range of substrates including certain simple and complex carbohydrates, sugar alcohols and amino acids. Chemotaxonomic analysis of strain JV5T revealed the presence of meso-diamino pimelic acid isomers similar those found in P. australiense , but different from P. acidifaciens . The observed major (>10 %) cellular fatty acids in strain JV5T (C18 : 1 ω9c, anteiso-C15 : 1, C16 : 0, C17 : 0 and C16 : 0 alcohol) were also different from those observed in P. australiense and P. acidifaciens . Based on these findings, a novel species is proposed within the genus Propionibacterium , Propionibacterium ruminifibrarum sp. nov. (type strain JV5T=DSM 106771T=TISTR 2629T).
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