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碳源和氧气对酿酒酵母中过氧化氢酶和过氧化物酶生物合成的调控

Control of catalase and peroxidase biosynthesis by carbon source and oxygen in the yeast Saccharomyces cerevisiae.

作者信息

Valdivia E, Martinez J, Ortega J M, Montoya E

出版信息

Can J Microbiol. 1983 Sep;29(9):1200-4. doi: 10.1139/m83-183.

Abstract

The effect of carbon source and oxygen tension on catalase and peroxidase levels and on the intermediates of the biosynthesis of the prosthetic group of both enzymes has been studied. Oxygen produces an increase of both enzymatic activities, even in presence of glucose. On the other hand it seems probable that glucose does not have a direct inhibitory effect on the biosynthesis of 5-aminolevulinic acid (ALA) and porphyrins.

摘要

已研究了碳源和氧张力对过氧化氢酶和过氧化物酶水平以及对这两种酶辅基生物合成中间体的影响。即使在有葡萄糖存在的情况下,氧也会使这两种酶活性增加。另一方面,葡萄糖似乎不太可能对5-氨基乙酰丙酸(ALA)和卟啉的生物合成产生直接抑制作用。

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