Marburg Virus Persistence on Fruit as a Plausible Route of Bat to Primate Filovirus Transmission.

Marburg Virus Persistence on Fruit as a Plausible Route of Bat to Primate Filovirus Transmission.
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DOI:
10.3390/v13122394
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发表时间:
2021-11-30
期刊:
Viruses
影响因子:
--
通讯作者:
Towner JS
Towner JS
中科院分区:
其他
文献类型:
--
作者:
Amman BR;Schuh AJ;Albariño CG;Towner JS

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马尔堡病毒(MARV)是马尔堡病毒病的病原体,在撒哈拉以南非洲地区零星出现,并且在人类中常常是致命的。这种人畜共患病毒的天然宿主是食果的埃及蝙蝠(Rousettus aegyptiacus),当感染时,口腔分泌物和尿液中的病毒量最高。作为果蝠,这些动物全年每晚都在寻找成熟的水果,包括那些人类经常喜欢的水果。在进食过程中,它们不断地将部分吃掉的水果丢弃在地上,这些水果可能会被其他马尔堡病毒易感动物或人类食用。在这项研究中,使用qRT-PCR和病毒分离,我们测试了埃及rousette蝙蝠实验感染自然蝙蝠分离的马尔堡病毒丢弃的水果。然后,我们使用表达荧光ZsGreen 1的重组马尔堡病毒分别测试了在撒哈拉以南非洲地区常见栽培的水果品种上的病毒持久性。马尔堡病毒RNA在感染蝙蝠的食物碗中的水果上反复检测到,并且从接种的水果中回收活的MARV长达6 h。
Marburg virus (MARV), the causative agent of Marburg virus disease, emerges sporadically in sub-Saharan Africa and is often fatal in humas. The natural reservoir for this zoonotic virus is the frugivorous Egyptian rousette bat (Rousettus aegyptiacus) that when infected, sheds virus in the highest amounts in oral secretions and urine. Being fruit bats, these animals forage nightly for ripened fruit throughout the year, including those types often preferred by humans. During feeding, they continually discard partially eaten fruit on the ground that could then be consumed by other Marburg virus susceptible animals or humans. In this study, using qRT-PCR and virus isolation, we tested fruit discarded by Egyptian rousette bats experimentally infected with a natural bat isolate of Marburg virus. We then separately tested viral persistence on fruit varieties commonly cultivated in sub-Saharan Africa using a recombinant Marburg virus expressing the fluorescent ZsGreen1. Marburg virus RNA was repeatedly detected on fruit in the food bowls of the infected bats and viable MARV was recovered from inoculated fruit for up to 6 h.
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