Roles of enzymatic and nonenzymatic antioxidants in plants during abiotic stress

被引：857

作者：

Ahmad, Parvaiz ^{[1
,2
]}

Jaleel, Cheruth Abdul ^{[3
]}

Salem, Mohamed A. ^{[3
]}

Nabi, Gowher ^{[4
]}

Sharma, Satyawati ^{[2
]}

机构：

[1] Univ Kashmir, Baramulla Coll, Dept Bot, Srinagar 193101, Jammu & Kashmir, India

[2] Indian Inst Technol, CRDT, Biochem Lab, New Delhi 110016, India

[3] United Arab Emirates Univ, Fac Food & Agr, Dept Aridland Agr, Al Ain 17555, U Arab Emirates

[4] Hamdard Univ, Fac Sci, Dept Biotechnol, New Delhi 110062, India

来源：

CRITICAL REVIEWS IN BIOTECHNOLOGY | 2010年 / 30卷 / 03期

关键词：

Antioxidants; ROS; redox signaling; calcium; ABA; GLUTATHIONE-S-TRANSFERASE; BOUND ASCORBATE PEROXIDASE; REACTIVE OXYGEN-METABOLISM; DEPENDENT PROTEIN-KINASE; INDUCED OXIDATIVE STRESS; CATHARANTHUS-ROSEUS; SALT TOLERANCE; SUPEROXIDE-DISMUTASE; ARABIDOPSIS-THALIANA; PROLINE METABOLISM;

D O I：

10.3109/07388550903524243

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Reactive oxygen species (ROS) are produced in plants as byproducts during many metabolic reactions, such as photosynthesis and respiration. Oxidative stress occurs when there is a serious imbalance between the production of ROS and antioxidant defense. Generation of ROS causes rapid cell damage by triggering a chain reaction. Cells have evolved an elaborate system of enzymatic and nonenzymatic antioxidants which help to scavenge these indigenously generated ROS. Various enzymes involved in ROS-scavenging have been manipulated, over expressed or downregulated to add to the present knowledge and understanding the role of the antioxidant systems. The present article reviews the manipulation of enzymatic and nonenzymatic antioxidants in plants to enhance the environmental stress tolerance and also throws light on ROS and redox signaling, calcium signaling, and ABA signaling.

引用

页码：161 / 175

页数：15

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