Nature Communications (Feb 2022)

CRISPR-assisted rational flux-tuning and arrayed CRISPRi screening of an l-proline exporter for l-proline hyperproduction

  • Jiao Liu,
  • Moshi Liu,
  • Tuo Shi,
  • Guannan Sun,
  • Ning Gao,
  • Xiaojia Zhao,
  • Xuan Guo,
  • Xiaomeng Ni,
  • Qianqian Yuan,
  • Jinhui Feng,
  • Zhemin Liu,
  • Yanmei Guo,
  • Jiuzhou Chen,
  • Yu Wang,
  • Ping Zheng,
  • Jibin Sun

DOI
https://doi.org/10.1038/s41467-022-28501-7
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 16

Abstract

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Corynebacterium glutamicum is a major workhorse in industrial biomanufacturing of amino acids. Here, the authors employ CRISPR-assisted rational flux-tuning and CRISPRi screening of a L-proline exporter to covert a wild-type C. glutamicum to a hyperproducer of L-proline.