工频电磁环境对果蝇发育和节律行为的影响研究

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Abstract Differences in development, sleep and movement rhythmic behaviors between W1118 wild-type flies and Rye mutants were investigated under PF-EMF exposure. After continuous exposure for 3 days, the parental flies were removed. Developmental process, movement and sleep rhythmic behaviors of offspring were monitored. The results showed that, the pupal and fly population of W1118 significantly increased respectively by 56.2% and 57.5% under PF-EMF exposure. No significant changes were observed in pupal numbers of Rye type flies, but the fly population significantly increased by 85.2%. No significant change of sex ratio was found under PF-EMF exposure. For W1118 flies, the average number of 24-hour movements was increased by 37.3% after PF-EMF exposure, and 10.6% decrease in the number of 24-hour sleep segments was calculated. For Rye type flies, the average counts of 24-hour movement significantly increased by 50.0% after exposure, and 51.5% decrease of 24-hour sleep segment counts was investigated. In the meanwhile, 45.7% decrease of the total sleep duration were also found. Compared with the W1118 type, the Rye mutants showed more significant changes, which suggested that Rye mutants were more sensitive to PF-EMF exposure. In brief, the PF-EMF environment can impact development and rhythmic behaviors of insects. Increased fly offspring numbers movement counts, and disturbed sleep were found after PF-EMF exposure. Further understandings on the entomological effects of PF-EMF exposure, and reasonable evaluations on the ecological effects of PF-EMF can be provided in this study.

Key words： PF-EMF Drosophila melanogaster behavioral rhythms development

Received: 09 March 2023

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X171.5

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	Articles by authors
	ZOU Xin-ping
	WANG Xiao-li
	DUAN Zheng-hua
	ZHANG Zi-yan
	SUN Yong-yan

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ZOU Xin-ping,WANG Xiao-li,DUAN Zheng-hua等. Effects of power frequency electromagnetic environment on development and rhythmic behavior of Drosophila melanogaster[J]. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(11): 6149-6155.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2023/V43/I11/6149

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