Volume 57, Issue 50 pp. 16464-16468
Communication

Regulating Cofactor Balance In Vivo with a Synthetic Flavin Analogue

Dr. Zhuotao Tan

Dr. Zhuotao Tan

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 S Puzhu Rd, 211816 Nanjing, China

These authors contributed equally to this work.

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Prof. Dr. Chenjie Zhu

Corresponding Author

Prof. Dr. Chenjie Zhu

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 S Puzhu Rd, 211816 Nanjing, China

These authors contributed equally to this work.

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Jingwen Fu

Jingwen Fu

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 S Puzhu Rd, 211816 Nanjing, China

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Xiaowang Zhang

Xiaowang Zhang

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 S Puzhu Rd, 211816 Nanjing, China

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Dr. Ming Li

Dr. Ming Li

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 S Puzhu Rd, 211816 Nanjing, China

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Dr. Wei Zhuang

Dr. Wei Zhuang

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 S Puzhu Rd, 211816 Nanjing, China

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Prof. Dr. Hanjie Ying

Corresponding Author

Prof. Dr. Hanjie Ying

College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 S Puzhu Rd, 211816 Nanjing, China

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First published: 20 October 2018
Citations: 17

Graphical Abstract

Balancing act: A novel strategy to manipulate the intracellular cofactor balance for whole-cell biotransformations based on a synthetic flavin analogue is reported. The synthetic flavin analogue can directly permeate into E. coli cells and accelerate cellular NAD+ regeneration without requiring cell-membrane modification.

Abstract

A novel strategy to regulate cofactor balance in vivo for whole-cell biotransformation using a synthetic flavin analogue is reported. High efficiency, easy operation, and good applicability were observed for this system. Confocal laser scanning microscopy was employed to verify that the synthetic flavin analogue can directly permeate into Escherichia coli cells without modifying the cell membrane. This work provides a promising intracellular redox regulatory approach to construct more efficient cell factories.

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