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Effects of low temperature on trehalose and trehalase contents in Culex pipiens pallens / 中国血吸虫病防治杂志
Chinese Journal of Schistosomiasis Control ; (6): 510-512, 2019.
Article in Chinese | WPRIM | ID: wpr-818528
ABSTRACT
Objective To examine the effect of low temperature on trehalose and trehalase levels in Culex pipiens pallens. Methods The fourth instar larvae and female adult mosquitoes of Cx. pipiens pallens were exposed at 4 ℃ for 0, 1, 3, 6, 12, 18, 24 h and 0, 1, 3, 6, 12, 18, 24, 36, 48, 72 h, respectively. Then, the trehalose and trehalase contents were detected by enzyme-linked immunosorbent assay (ELISA) in mosquitoes. Results The contents of trehalose and trehalase significantly increased in the larval and female adult mosquitoes post-exposure to low temperature. The changing trend of trehalose levels was consistent in the larval and female adult mosquitoes, and the highest levels were (2.458 8 ± 0.379 2) mg/g and (2.825 7 ± 0.211 1) mg/g 3 h post-exposure to low temperature, respectively. The trehalose and trehalase levels fluctuated greatly within the first 6 h post-exposure to low temperature. Following adaptation for a period of time, the trehalose and trehalase levels remained at a relatively high level. Conclusion Low temperature may induce the production of trehalose and trehalase in Cx. pipiens pallens, and the trehalose and trehalase may play an important role in the improvement of the cold resistance.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Schistosomiasis Control Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Schistosomiasis Control Year: 2019 Type: Article