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Your Position :Home->Past Journals Catalog->2019年56 No.4

Effect of temperature stress on the antioxidant capacity of Tyrophagus putrescentiae (Schrank)
Author of the article:WANG Jing1** QUE Sheng-Quan2** XI Jian-Fei1 ZOU Zhi-Wen1 XIN Tian-Rong1 XIA Bin1***
Author's Workplace:(1. School of Life Sciences, Nanchang University, Nanchang 330031, China; 2. Jiangxi Academy of Forestry, Nanchang 330013, China)
Key Words: Tyrophagus putrescentiae; temperature stress; antioxidant enzyme activity
Abstract:[Objectives]  To investigate the antioxidant system of the storage pest mite Tyrophagus putrescentiae under different temperature stress treatments. [Methods]  The activity of superoxidedismutase (SOD), peroxidase (POD), glutathione-S-transferase (GSTs), total antioxidant (T-AOC) capacity and malondialdehyde (MDA), were measured after 1, 2 and 3 hours exposure to low (0, 5, 10, 15, 20 ), control (25 ), or high (30, 33, 36, 39, 42, 45 ), temperatures. [Results]  The activities of all three antioxidant enzymes, total antioxidant capacity and MDA content were closely related to both temperature and the duration of exposure. SOD enzyme and GSTs increased significantly under the low and high temperature treatments, indicating that temperature plays an important role in eliminating ROS. [Conclusion]  The activity of antioxidant enzymes in T. putrescentiae were affected by temperature stress.
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