期刊
BIOENGINEERED
卷 6, 期 1, 页码 20-25出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/21655979.2014.991667
关键词
Arxula adeninivorans; enzymes; food treatment; gout; hyperuricemia; purines; purine degradation pathway; yeast
资金
- BMWi [KF2131601MD8]
The purine degradation pathway in humans ends with uric acid, which has low water solubility. When the production of uric acid is increased either by elevated purine intake or by impaired kidney function, uric acid will accumulate in the blood (hyperuricemia). This increases the risk of gout, a disease described in humans for at least 1000 years. Many lower organisms, such as the yeast Arxula adeninivorans, possess the enzyme, urate oxidase that converts uric acid to 5-hydroxyisourate, thus preventing uric acid accumulation. We have examined the complete purine degradation pathway in A. adeninivorans and analyzed enzymes involved. Recombinant adenine deaminase, guanine deaminase, urate oxidase and endogenous xanthine oxidoreductase have been investigated as potential additives to degrade purines in the food. Here, we review the current model of the purine degradation pathway of A. adeninivorans and present an overview of proposed enzyme system with perspectives for its further development.
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