Low oral receptivity for dengue type 2 viruses of Aedes albopictus from Southeast Asia compared with that of Aedes aegypti.

Low oral receptivity for dengue type 2 viruses of Aedes albopictus from Southeast Asia compared with that of Aedes aegypti.
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与埃及伊蚊相比,东南亚白纹伊蚊对登革热 2 型病毒的口服感受性较低。

DOI:
10.4269/ajtmh.2003.68.203
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发表时间:
2003
期刊:
The American journal of tropical medicine and hygiene
影响因子:
--
通讯作者:
A. Failloux
A. Failloux
中科院分区:
--
文献类型:
--
作者:
M. Vazeille;L. Rosen;L. Mousson;A. Failloux

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自20世纪50年代以来,登革出血热一直是亚洲的主要健康问题。在此期间,亚洲登革热病毒的前主要媒介白纹伊蚊在该地区大多数主要城市被埃及伊蚊取代。AE.埃及伊蚊现在被认为是亚洲登革热病毒的主要传播媒介。然而,令人惊讶的是,与Ae相比,这种蚊子被描述为对登革热病毒具有相对低的口腔感受性。白纹伊蚊在本研究中,我们比较了Ae的相对口服感受性。埃及伊蚊和埃及伊蚊。白纹伊蚊在东南亚同域和异域繁殖地采集。在所有情况下,Ae.埃及伊蚊对登革2型病毒的敏感性显著高于埃及伊蚊。白纹伊蚊我们还比较了Ae的相对口腔感受性。埃及伊蚊和埃及伊蚊。白纹伊蚊对另外两种低传代登革热毒株的感染率为2.在所有情况下,E。aegypti比Ae更容易接受。白纹伊蚊然而,应该注意的是,仅在Ae中发现了差异。白纹伊蚊最近从野外收集(Ta Promh株,柬埔寨,2001),而不是Ae.白纹伊蚊菌株已定居多年(Oleus菌株,夏威夷,1971)。我们还观察到了一个显着增加感染率的Ae。白纹伊蚊的Ta Promh菌株在实验室中随着世代的增加而增加。这些观察结果表明,在评估蚊子对登革热病毒和其他虫媒病毒感染的易感性时,考虑蚊子的定殖历史是重要的。
Dengue hemorrhagic fever has been a major health problem in Asia since the 1950s. During this period, the former principal vector of dengue viruses in Asia, Aedes albopictus, was replaced by Aedes aegypti in most major cities of the area. Ae. aegypti is now considered the main vector of dengue viruses in Asia. Surprisingly, however, this mosquito has been described as having a relatively low oral receptivity for dengue viruses compared with Ae. albopictus. In the present study, we compared the relative oral receptivities of Ae. aegypti and Ae. albopictus collected in southeast Asia from both sympatric and allopatric breeding sites. In all instances, the oral receptivity of Ae. aegypti to the dengue type 2 virus used was significantly higher than that of Ae. albopictus. We also compared the relative oral receptivity of Ae. aegypti and Ae. albopictus for two other low-passage strains of dengue 2. In all instances, Ae. aegypti was significantly more receptive than Ae. albopictus. It should be noted, however, that the difference was found only for Ae. albopictus recently collected from the field (Ta Promh strain, Cambodia, 2001) and not for an Ae. albopictus strain that had been colonized for many years (Oahu strain, Hawaii, 1971). We also observed a significant increase in the infection rate of Ae. albopictus of the Ta Promh strain with increasing generations in the laboratory. These observations demonstrate the importance of considering the colonization history of mosquitoes when assessing their susceptibility to infection with dengue viruses and, perhaps, other arboviruses.
白纹伊蚊通过性行为传播登革热病毒。
DOI: --
发表时间: 1987
期刊: The American journal of tropical medicine and hygiene
影响因子: --
作者:
Rosen,L
通讯作者: Rosen,L
DOI: 10.4269/ajtmh.1983.32.1108
发表时间: 1983-01-01
影响因子: 3.3
作者:
ROSEN, L;SHROYER, DA;LIEN, JC
通讯作者: LIEN, JC