饲养温度对蚊子体内圣路易斯脑炎病毒经卵传播的影响。

Effect of rearing temperature on transovarial transmission of St. Louis encephalitis virus in mosquitoes.

作者信息

Hardy J L, Rosen L, Kramer L D, Presser S B, Shroyer D A, Turell M J

出版信息

Am J Trop Med Hyg. 1980 Sep;29(5):963-8. doi: 10.4269/ajtmh.1980.29.963.

DOI:10.4269/ajtmh.1980.29.963

Abstract

Female Aedes albopictus and Aedes epactius infected by inoculation with St. Louis encephalitis (SLE) virus transmitted virus transovarially to their F1 progeny. With Ae. epactius, minimal infection rates (MIR) in F1 larvae were similar for progeny reared at 18 (+/- 1) degree C or 27 (+/- 1) degree C, whereas, MIR's were significantly higher in F1 adults reared at 18 degrees C, than they were in F1 adults reared at 27 degrees C. Use of different strains of SLE virus appeared to influence transovarial transmission of virus by Ae. albopictus, but not by Ae. epacticus. Transovarial transmission of SLE virus was not demonstrated with colonized strains of Aedes dorsalis, Ades sierrensis, Ades triseriatus, Ades vexans, Culex pipiens, Culex quinquefasciatus and Culex tarsalis, and field strains of Ae. vexans.

摘要

通过接种圣路易斯脑炎（SLE）病毒感染的雌性白纹伊蚊和埃氏伊蚊将病毒经卵传递给了它们的F1代子代。对于埃氏伊蚊，在18（±1）摄氏度或27（±1）摄氏度饲养的子代中，F1幼虫的最低感染率（MIR）相似，而在18摄氏度饲养的F1成虫中，MIR显著高于在27摄氏度饲养的F1成虫。使用不同株的SLE病毒似乎会影响白纹伊蚊经卵传播病毒，但对埃氏伊蚊没有影响。对于背点伊蚊、锡耶拉伊蚊、三带喙库蚊、骚扰阿蚊、致倦库蚊、尖音库蚊和跗斑库蚊的定殖株以及骚扰阿蚊的野外株，未证明有SLE病毒的经卵传播。