Orange, red, yellow: Biosynthesis of azaphilone pigments in Monascus fungi

  • Wanping Chen*
  • , Runfa Chen
  • , Qingpei Liu
  • , Yi He
  • , Kun He
  • , Xiaoli Ding
  • , Lijing Kang
  • , Xiaoxiao Guo
  • , Nana Xie
  • , Youxiang Zhou*
  • , Yuanyuan Lu
  • , Russell J. Cox
  • , István Molnár*
  • , Mu Li
  • , Yanchun Shao
  • , Fusheng Chen
  • *Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)4917-4925
JournalChemical Science
Volume8
Issue number7
DOIs
Publication statusPublished - 1 Jul 2017
MoE publication typeA1 Journal article-refereed

Funding

This study was supported by the Major Program of National Natural Science Foundation of China (No. 31330059 to F. C.), the National Natural Science Foundation of China (No. 31171649 to F. C., 31271834 to Y. S., 31371824 to Y. Z., 31401631 to M. L., and 31601446 to W. C.), the National Institutes of Health (NIGMS R01GM114418-01A1 to I. M.), and Deutsche Forschungsgemeinschaft (INST 187/621-1, LCMS equipment, to R. J. C).

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