D-2-hydroxyglutarate (D-2-HG) is an endogenous metabolite that plays both physiological and pathological roles. Here, the authors report a genetically encoded D-2-HG biosensor based on the transcriptional activator HgcR, which enables rapid detection of D-2-HG in vitro and in live cells.
- Yidong Liu
- Zhaoqi Kang
- Chao Gao