Erythritol Metabolism by Propionibacterium pentosaceum
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Erythritol Metabolism by Propionibacterium pentosaceum
Randomly labeled erythritol-14C has been synthesized and incubated with fluoride-poisoned suspensions of dried cells of Propionibacterium pentosoceum. Therefrom labeled glycerol-d-P, glyceric acid-j-P, erythritol-l-P, ribose-5-P, xyhalose-5-P, glucose-6-P, fructosed-P, mannosed-P, fructose-1 ,6-di-P, and sedoheptulose-7-P were isolated. Erythritol-W-1-P accumulated more rapidly than did the oth...
متن کاملA biotin function in succinic acid decarboxylation by Propionibacterium pentosaceum.
Through the demonstration of the importance of biotin to oleic acid synthesis, to oxalacetate decarboxylation and carbon dioxide fixation, and to certain amino acid deamination reactions, as reviewed by Stokstad and Jukes (1949), and to citrulline synthesis (MacLeod et at., 1949), it is becoming increasingly apparent that the coenzyme form of this vitamin may be concerned in many different type...
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Reports on the bacterial utilization of u-arabinose have shown two pathways of dissimilation. The first, reported by Cohen (l), demonstrated that Escherichia coli first isomerized n-arabinose to n-ribulose, which was then phosphorylated. A later report by Doudoroff et al. (2) showed that Pseudomonas saccharophi&a oxidized n-arabinose to n-arabonolactone, which was subsequently hydrolyzed to the...
متن کاملAn enzymatic study of the utilization of gluconic acid by Propionibacterium pentosaceum.
Generally the so-called Meyerhof-Embden scheme is considered to be the major pathway of hexose dissimilation by members of the genus Propionibacterium. Two lines of evidence supporting this premise are the isolation, coupled with a demonstration of their utilization, of several of the intermediates of glycolysis (Wood, Stone, and Werkman, 1937; Werkman, Stone, and Wood, 1937; Barker and Lipmann...
متن کاملMetabolism of erythritol in humans: comparison with glucose and lactitol.
The metabolism of erythritol was assessed in six normal volunteers by measuring the amount of 13CO2 excretion and H2 excretion in breath, and erythritol in urine after intake of 25 g 13C-labelled erythritol. The results were compared with the same variables obtained after intake of 25 g 13C-labelled glucose and 13C-labelled lactitol. In addition, the H2 production by faecal flora supplemented w...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1968
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)93533-7