منابع مشابه
The effect of succinate and amytal on the reduction of acetoacetate in animal tissues.
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The β-ketoester benzyl acetoacetate was enantioselectively reduced to benzyl (S)-3-hydroxybutanoate by seven microorganism species. The best result using free cells was obtained with the yeast Hansenula sp., which furnished 97% ee and 85% of conversion within 24 h. After immobilization in calcium alginate spheres, K.marxianus showed to be more stable after 2 cycles of reaction.
متن کاملActivation of soluble succinate dehydrogenase by reduction.
Since the experiments of KEARNEY 1 it has been known that both particle-bound and soluble succinate dehydrogenase can be activated by its substrate succinate and by competitive inhibitors such as fumarate, malonate and phosphate. Binding at the active centre apparently brings the enzyme in an active conformation. GUTMAN et al. 2) 3 have recently reported that NADH is as effective as succinate i...
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The reductive tricarboxylic acid (rTCA) cycle is an important central biosynthetic pathway that fixes CO2 into carboxylic acids. Among the five reductive steps in the rTCA cycle, the two-electron reduction of fumarate to succinate proceeds nonenzymatically on the surface of photoexcited sphalerite (ZnS) colloids suspended in water. This model reaction is chosen to systematically study the surfa...
متن کاملAcetoacetate Formation in Liver
In 1944, Weinhouse et al. (1) reported that the incubation of carboxyllabeled octanoate with rat liver slices yielded acetoacetate in which the carboxyl and carbonyl carbons were equally labeled. Random condensation of 2-carbon units resulting from ,8 oxidation was therefore offered by these workers as a possible mechanism for the formation of acetoacetic acid from octanoate. The conversion of ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1963
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)81145-0