慢性热应激扰乱了蜜蜂寻食物的动机
Olga Frunze1, Hyunjee Kim1, Soon Ok Woo2
1Department of Life Sciences & Convergence Research Center for Insect Vectors (CRCIV), Incheon National University R&D Complex, 265 Harmony-ro, Yeonsu-gu, Incheon 22014, the Republic of Korea.
Journal of insect physiology
|January 27, 2026
概括
慢性热应激会对蜜蜂的食动机和效率产生负面影响. 这可能导致蜂蜜储量减少和蜂群发展受损,突出显示全球气温上升对传粉者的风险.
科学领域:
- 环境科学 环境科学
- 昆虫学 昆虫学是一门学科.
- 气候变化生物学 气候变化生物学
背景情况:
- 授粉者死亡率是一个重大的全球问题,气候变化加剧了这一问题.
- 热应激对蜜蜂生理和行为的具体影响尚未完全理解.
研究的目的:
- 研究慢性热应激对蜜蜂食欲动机和蜂群功能的影响.
- 为了确定与蜂蜜中的热暴露相关的生理和分子变化.
主要方法:
- 蜜蜂在两个季节中暴露在受控温度 (25°C和35°C) 和自然条件下.
- 评估了糖糖的反应能力,殖民地表现,生理特征和基因表达 (11个分子标记).
主要成果:
- 与成熟,衰老和认知相关的9个基因被发现是热敏的.
- 暴露在35°C的蜜蜂对糖溶液的敏感性降低,表明食动机受损.
- 热应激殖民地显示蜂蜜储备较差,发展减少.
结论:
- 慢性热应激显著损害蜜蜂的食动机和效率.
- 这种损害对蜂群的健康和生存构成重大风险.
- 研究结果强调了全球变暖对重要授粉者的生态后果.
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