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ROS-induced oxidative stress in plant cryopreservation: occurrence and alleviation

文献类型： 外文期刊

作者： Ren, Li 1 ; Wang, Min-Rui 2 ; Wang, Qiao-Chun 3 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Agrifood Stand & Testing Technol, Shanghai 201403, Peoples R China

2.Northwest A&F Univ, Coll Life Sci, State Key Lab Crop Stress Biol Arid Reg, Yangling 712100, Shaanxi, Peoples R China

3.Northwest A&F Univ, Coll Hort, State Key Lab Crop Stress Biol Arid Reg, Yangling 712100, Shaanxi, Peoples R China

关键词： Antioxidants; Cryopreservation; Gene expression; Oxidative stress; Programmed cell death; Reactive oxygen species

期刊名称：PLANTA （ 影响因子：4.116； 五年影响因子：4.316 ）

ISSN： 0032-0935

年卷期： 2021 年 254 卷 6 期

页码：

收录情况： SCI

摘要： Main conclusion Reactive oxygen species (ROS)-induced oxidative stress results in low success or even total failure of cryopreservation. Better understanding of how the plant establishes resistance/tolerance to ROS-induced oxidative stress facilitates developments of robust cryopreservation procedures. Cryopreservation provides a safe and efficient strategy for long-term preservation of plant genetic resources. ROS-induced oxidative stress caused damage to cells and reduced the ability of the plant to survive following cryopreservation, eventually resulting in low success or even total failure. This paper provides updated and comprehensive information obtained in the past decade, including the following: (1) ROS generations and adaptive responses of antioxidant systems during cryopreservation; (2) expressions of oxidative stress-associated genes and proteins during cryopreservation; (3) ROS-triggered programmed cell death (PCD) during cryopreservation; and (4) exogenous applications of enzymatic and non-enzymatic antioxidants in improving success of cryopreservation. Prospects for further studies are proposed. The goal of the present study was to facilitate better understanding of the mechanisms by which the plant establishes resistance/tolerance to oxidative stress during cryopreservation and promote further studies toward the developments of robust cryopreservation procedures and wider application of plant cryobiotechnology.

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