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饮食引起的新陈代谢变化会影响牙买加果蝙蝠的免疫反应和病毒分泌
Caylee A Falvo1, Daniel E Crowley1, Evelyn Benson2
1Department of Public and Ecosystem Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA.
Proceedings. Biological sciences
|February 19, 2025
概括
蝙蝠的饮食变化可能会影响病毒流放. 食缺乏糖分的蝙蝠会产生更多的病毒,而食用脂肪补充饮食的蝙蝠会产生更少的病毒,这会影响人类的溢出风险.
科学领域:
- 生态生态学 生态生态学
- 病毒学 病毒学
- 一个健康,一个健康.
背景情况:
- 土地使用变化改变了蝙蝠的食物供应.
- 蝙蝠的饮食变化可能会影响病毒的分泌和传播给人类的风险.
研究的目的:
- 为了研究饮食成分如何影响牙买加果蝙蝠 (Artibeus jamaicensis) 的病毒分泌.
- 了解营养压力在蝙蝠病毒动态和潜在的动物传播疾病中的作用.
主要方法:
- 蝙蝠饮食的实验操纵:标准,次优糖 (缺乏蛋白质) 和次优脂肪 (补充脂肪).
- 蝙蝠感染H18N11流感A病毒.
- 病毒RNA分泌量的量化和食物摄入量的监测.
主要成果:
- 在低于最佳糖分的饮食中,蝙蝠在最长时间内表现出最高的病毒RNA分泌率.
- 在低于最佳的脂肪饮食中的蝙蝠在最短的时间内表现出最少的病毒RNA泄露.
- 低于最佳饮食的蝙蝠消耗更多的食物,这表明食行为发生了变化.
结论:
- 饮食质量显著影响蝙蝠的病毒分泌动态.
- 营养压力和改变食行为可能会调节蝙蝠宿主病毒相互作用.
- 研究结果表明,饮食变化是蝙蝠对人类病毒溢出风险的关键因素.
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