Some characteristics of Anaerovibrio lipolytica a rumen lipolytic organism

Strains of Anaerovibrio lipolytica isolated from sheep- and cow-rumen contents on a linseed oil -- rumen fluid -- agar medium fermented ribose, glycerol and DL-lactate. Fermentation products from glycerol were propionate and succinate, while ribose, fructose and DL-lactate were fermented mainly to a...

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Bibliographic Details
Published in:Antonie van Leeuwenhoek 1975-01, Vol.41 (1), p.1-11
Main Authors: Prins, R A, Lankhorst, A, van der Meer, P, Van Nevel, C J
Format: Article
Language:English
Subjects:
Anaerobiosis
Animals
Arabinose - metabolism
Bacteria - isolation & purification
Bacteria - metabolism
Carbon Radioisotopes
Cattle
Fructose - metabolism
Galactose - metabolism
Glucose - metabolism
Glycerol - metabolism
Lactates - metabolism
Linseed Oil - metabolism
Lipase - metabolism
Lipid Metabolism
Propionates - metabolism
Ribose - metabolism
Rumen - microbiology
Sheep
Sucrose - metabolism
Triglycerides - metabolism
Vitamins - metabolism
Xylose - metabolism
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Summary:Strains of Anaerovibrio lipolytica isolated from sheep- and cow-rumen contents on a linseed oil -- rumen fluid -- agar medium fermented ribose, glycerol and DL-lactate. Fermentation products from glycerol were propionate and succinate, while ribose, fructose and DL-lactate were fermented mainly to acetate, propionate and carbon dioxide. Propionate is formed in this organism by the dicarboxylic acid pathway similarly as in propionibacteria. Measurements of the rate of lipolysis by pure cultures suggest that the organism may play an important role in the lipolytic activity of rumen contents of sheep. The demonstrated fact that the cell-free lipase excreted in the culture medium can easily be adsorbed on particulate matter in autoclaved rumen fluid may explain the absence of free lipase in clarified rumen liquor.
ISSN:0003-6072
DOI:10.1007/BF02565031