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Microbiologica. 1992 Jan;15(1):71-4.

Different electrophoretic patterns of cellular soluble proteins in Bifidobacterium animalis.

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  • 1Istituto di Microbiologia Agraria, Universit√† di Bologna, Italy.


Twenty-nine strains of Bifidobacterium animalis, a species found only in animal habitats, were studied. Strains from known origins such as rat, rabbit and chicken feces and strains isolated from extrabody environments such as sewage and fermented milk products were examined. The intestinal origins of strains isolated from sewage and fermented milk products were determined by means of the comparison of electrophoretograms of cellular soluble proteins. Unknown origins of strains were recognized as being rabbit or chicken intestinal tract.

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