Latest Cover

Online Office

Contact Us

Issue:ISSN 2095-1353
           CN 11-6020/Q
Director:Chinese Academy of Sciences
Sponsored by:Chinese Society of Entomological;institute of zoology, chinese academy of sciences;
Address:Chaoyang District No. 1 Beichen West Road, No. 5 hospital,Beijing City,100101, China
Tel:+86-10-64807137
Fax:+86-10-64807137
Email:entom@ioz.ac.cn
Your Position :Home->Past Journals Catalog->2019年56 No.3

Effect of temperature on the energy metabolism and related enzyme activity of the Chinese citrus fruit fly, Bactrocera minax (Enderlein), during diapause
Author of the article:ZHOU Zhi-Xiong** XIA Zhen-Zhou YUAN Jiang-Jiang WANG Zai-Ling LI Chuan-Ren***
Author's Workplace:(Institute of Entomology, Yangtze University, Jingzhou 434025, China)
Key Words:Bactrocera minax; diapause; overwintering temperature; energy metabolism
Abstract:

[Objectives]  To understand the physiological and biochemical mechanisms regulating the overwintering temperature of diapausing pupae of the Chinese citrus fruit fly, Bactrocera minax. [Methods]  Crude fat, total carbohydrate, trehalose and glycogen content of diapausing pupae at different overwintering temperatures were measured and compared. [Results]  A low overwintering temperature (12 ℃) promoted the accumulation of crude fat, which gradually decreased with temperature. The trend in total carbohydrate content tended to follow an inverted “U” shape with increasing temperature. Similarly, the trend in trehalose content was of the “up-down” type (except at 24 ℃). Higher overwintering temperatures gradually advanced the peak of trehalose content but also gradually decreased the maximum trehalose content of diapausing pupae. The trend in glycogen content was different; higher overwintering temperatures caused glycogen content to peak closer to the period of diapause termination and also promoted the accumulation of glycogen in the late diapause period. In addition, levels of all substances measured were lowest at 16 ℃, indicating that overwintering at this temperature accelerated the metabolism, or conversion, of energy-related substances in pupae. [Conclusion]  These results suggest that different overwintering temperatures change the energy metabolism of pupae, and that overwintering temperature is closely related to the energy metabolism characteristics of diapausing pupa. The results of this study aid understanding the physiological mechanisms of energy metabolism in the Chinese citrus fruit fly.

CopyRight©2024 Chinese Journal of Aplied Entomology