期刊
PLANT PHYSIOLOGY AND BIOCHEMISTRY
卷 64, 期 -, 页码 80-83出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.plaphy.2012.12.017
关键词
Antioxidant; Scavenger; ROS; Environmental stress; Praline accumulation; Singlet oxygen
资金
- ANII (Uruguay)
- PEDECIBA (Uruguay)
- Spanish Ministry of Economy and Competitiveness
- Research Council of Norway
Plants are commonly subjected to several environmental stresses that lead to an overproduction of reactive oxygen species (ROS). As plants accumulate proline in response to stress conditions, some authors have proposed that praline could act as a non-enzymatic antioxidant against ROS. One type of ROS aimed to be quenched by proline is singlet oxygen (O-1(2))-molecular oxygen in its lowest energy electronically excited state-constitutively generated in oxygenic, photosynthetic organisms. In this study we clearly prove that proline cannot quench O-1(2) in aqueous buffer, giving rise to a rethinking about the antioxidant role of proline against O-1(2). (C) 2013 Elsevier Masson SAS. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据