来自不同地域的白纹伊蚊群落在睡眠和活动水平上存在差异,但在活动高峰时间上没有差异。

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Medical and Veterinary Entomology Pub Date : 2024-09-19 DOI:10.1111/mve.12765
Nicole E. Wynne, Emilie Applebach, Karthikeyan Chandrasegaran, Oluwaseun M. Ajayi, Souvik Chakraborty, Mariangela Bonizzoni, Chloé Lahondère, Joshua B. Benoit, Clément Vinauger
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引用次数: 0

摘要

蚊子的栖息地范围很广,环境条件各不相同。一些物种,如白纹伊蚊,适应当地条件的能力肯定有助于其入侵的成功。在有待研究的特征中,蚊子根据当地宿主种群的活动时间进行活动的能力被认为具有重要的流行病学意义。然而,不同种群在其时间型方面是否表现出遗传性差异尚未得到研究。在这里,我们比较了来自三大洲八个种群的实验室菌株,监测了它们的自发运动活动模式,并分析了它们的睡眠状态。总体而言,所有品系的昼间活动都集中在嵴椎前的几个小时,这一点是一致的。同样,它们在早上和晚上的睡眠水平都有所提高。然而,我们观察到,各菌株在一天中每个阶段的活动水平都存在差异。我们还观察到每个品系在类似睡眠状态下所花费的时间比例存在差异,这是因为不同品系的睡眠结构存在差异。人类人口密度和受测菌株地理起源地的纬度对睡眠和活动模式有显著影响。总之,这些结果表明,白纹伊蚊通过对其时间型的遗传适应来适应当地的环境条件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Aedes albopictus colonies from different geographic origins differ in their sleep and activity levels but not in the time of peak activity

Mosquitoes occupy a wide range of habitats where they experience various environmental conditions. The ability of some species, such as the tiger mosquito, Aedes albopictus, to adapt to local conditions certainly contributes to their invasive success. Among traits that remain to be examined, mosquitoes' ability to time their activity with that of the local host population has been suggested to be of significant epidemiological importance. However, whether different populations display heritable differences in their chronotype has not been examined. Here, we compared laboratory strains originating from eight populations from three continents, monitored their spontaneous locomotor activity patterns and analysed their sleep-like states. Overall, all strains showed conserved diurnal activity concentrated in the hours preceding the crepuscule. Similarly, they all showed increased sleep levels during the morning and night hours. However, we observed strain-specific differences in the activity levels at each phase of the day. We also observed differences in the fraction of time that each strain spends in a sleep-like state, explained by variations in the sleep architecture across strains. Human population density and the latitude of the site of the geographic origin of the tested strain showed significant effects on sleep and activity patterns. Altogether, these results suggest that Ae. albopictus mosquitoes adapt to local environmental conditions via heritable adaptations of their chronotype.

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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
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