Effects of exogenous hydrogen sulfide on the ascorbate and glutathione metabolism in wheat seedlings leaves under water stress

Autor:	Run-qiang Liu, Xiu-ying Wei, Zhang Shengli, Chang-juan Shan, Yuan-zeng Zhao, Xin-liang Zhao, Xue-liang Tian, Li Dongfang, Ying-xia Wu
Rok vydání:	2011
Předmět:	biology Physiology Chemistry Hydrogen sulfide Glutathione reductase Plant physiology Sodium hydrosulfide Plant Science Glutathione Malondialdehyde Ascorbic acid chemistry.chemical_compound Biochemistry biology.protein Agronomy and Crop Science Peroxidase
Zdroj:	Acta Physiologiae Plantarum. 33:2533-2540
ISSN:	1861-1664 0137-5881
Popis:	This study investigated the effects of exogenous hydrogen sulfide on the ascorbate and glutathione metabolism in wheat seedlings leaves under water stress. The results showed that pretreatment with sodium hydrosulfide (NaHS), hydrogen sulfide donor, increased the activities of ascorbate peroxidase, glutathione reductase, dehydroascorbate reductase and gamma-glutamylcysteine synthetase, and the contents of reduced ascorbic acid, reduced glutathione, total ascorbate and total glutathione under water stress, compared to control and water stress without NaHS. Meanwhile, pretreatment with NaHS decreased the malondialdehyde content and electrolyte leakage induced by water stress in plants, compared to control and water stress without NaHS. Our results suggested that exogenous hydrogen sulfide alleviated oxidative damage by regulating the ascorbate and glutathione metabolism in wheat seedlings under water stress.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4c36c26affdb55206b48c8b28197b70e https://doi.org/10.1007/s11738-011-0746-4 Zobrazit plný text záznamu Full text from SpringerLink