Zika virus infects Aedes aegypti ovaries

被引：10

作者：

Nag, Dilip K. ^{[1
]}

Payne, Anne F. ^{[1
]}

Dieme, Constentin ^{[1
]}

Ciota, Alexander T. ^{[1
,2
]}

Kramer, Laura D. ^{[1
,2
]}

机构：

[1] New York State Dept Hlth, Wadsworth Ctr, Arbovirus Lab, Slingerlands, NY 12159 USA

[2] SUNY Albany, Sch Publ Hlth, Dept Biomed Sci, Albany, NY 12208 USA

来源：

VIROLOGY | 2021年 / 561卷

关键词：

Mosquito; Aedes aegypti; Arboviruses; Zika virus; Vertical transmission; Blood meal; Infectious blood meal; LOUIS ENCEPHALITIS-VIRUS; EXPERIMENTAL VERTICAL TRANSMISSION; WEST NILE VIRUS; FLUORESCENT-ANTIBODY; DENGUE VIRUSES; MOSQUITOS; CULEX; ALBOPICTUS; CHIKUNGUNYA; FLAVIVIRUS;

D O I：

10.1016/j.virol.2021.06.002

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Pathogens are transmitted from one host to another either by vertical transmission (VT) or horizontal transmission (HT). Mosquito-borne arboviruses (arthropod-borne viruses), including several clinically important viruses such as dengue, Zika, West Nile and chikungunya viruses persist in nature by both VT and HT. VT may also serve as an essential link in the transmission cycle during adverse environmental conditions. VT rates (VTRs) vary between virus families and even among viruses within the same genus. The mechanism behind these differences in VTRs among viruses is poorly understood. For efficient VT to occur, viruses must infect the mosquito germline. Here, we show that Zika virus infects mosquito ovaries and is transmitted vertically at a low rate. The infected progeny derive from mosquitoes with infected ovaries. The prevalence of ovary infection increases after a second non-infectious blood meal following an infectious blood meal.

引用

页码：58 / 64

页数：7

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