Monodehydroascorbate reductases in plants: integrating ascorbate recycling, redox signaling, and stress adaptation
Yuxin Xiao, Jiatong Zhou, Shengchun Li · 2026
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Description
Yuxin Xiao, Jiatong Zhou, and Shengchun Li published this plant review in 2026. Plants constantly produce reactive oxygen species, which can damage cells yet also carry signals. A recycling loop built around vitamin C, called ascorbate, keeps these molecules in balance. The review centers on one enzyme in that loop, MDHAR for short. It restores used ascorbate back into its active form.
Newer work shows the enzyme does more than recycle. It shapes stress responses, growth, and oxygen-based signaling in ways the recycling role alone cannot explain. The review covers its structure, its control, and where it sits inside cells. It also weighs why raising or lowering the enzyme sometimes lifts ascorbate and sometimes does not. The authors cast it as a hub linking vitamin C handling to wider cell networks, and they flag open questions for crop improvement.
Catalog record
| CREATOR | Yuxin Xiao, Jiatong Zhou, Shengchun Li |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 57 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |