Multiple Impairment of Glycolysis in Veillonella alcalescens

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RESUMO

The property of glucose nonfermentation, characteristic of the genus Veillonella, was investigated in V. alcalescens C1, a strain of sheep rumen origin. Cell-free extracts as well as intact cells were incapable of glucose fermentation, thereby eliminating the possibility of nonpermeation. Assimilation of 14C-glucose was not detectable. Of the 10 glycolytic enzymes, hexokinase, phosphoglyceromutase, and pyruvate kinase were not detectable. The other glycolytic enzymes were present.

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