Orange, red, yellow: biosynthesis of azaphilone pigments in Monascus fungi.

Orange, red, yellow: biosynthesis of azaphilone pigments in Monascus fungi.
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橙色、红色、黄色:红曲真菌中阿扎菲酮色素的生物合成

DOI:
10.1039/c7sc00475c
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发表时间:
2017-07-01
期刊:
影响因子:
8.4
通讯作者:
Chen F
Chen F
中科院分区:
化学1区
文献类型:
--
作者:
Chen W;Chen R;Liu Q;He Y;He K;Ding X;Kang L;Guo X;Xie N;Zhou Y;Lu Y;Cox RJ;Molnár I;Li M;Shao Y;Chen F

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定义了通向红曲霉印木酮色素经典的黄色、橙色和红色成分的每个主要步骤。红曲霉氮杂环丙酮类色素(Monazp)被广泛用作食品着色剂,但半个多世纪以来其生物合成途径一直很不理想。在本研究中,通过靶向基因敲除、外源基因表达以及体外化学和酶反应,阐明了红色红曲霉M7生物合成Monazps的各个步骤。这项研究描述了Monazps生物合成的第一个合理工程,并为未来选择性生产最有价值的色素的途径工程努力提供了路线图,并为真菌氮杂环酮类化合物的生物合成提供了一个模型。
Each major step leading to the classical yellow, orange and red constituents of Monascus azaphilone pigments was defined. Monascus azaphilone pigments (MonAzPs) are very widely used as food colorants, but their biosynthetic pathway has remained poorly characterized for more than half a century. In this study, the individual steps of MonAzPs biosynthesis in Monascus ruber M7 were elucidated by a combination of targeted gene knockouts, heterologous gene expression, and in vitro chemical and enzymatic reactions. This study describes the first rational engineering of MonAzPs biosynthesis and provides a roadmap for future pathway engineering efforts directed towards the selective production of the most valuable pigments and serves as a model for the biosynthesis of fungal azaphilones in general.
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发表时间: 2000-03-01
影响因子: 4.4
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