Sequence variation in two genes determines the efficacy of transmission of citrus tristeza virus by the brown citrus aphid

被引：0
|
作者：
S. J. Harper
N. Killiny
S. Tatineni
S. Gowda
S. J. Cowell
T. Shilts
W. O. Dawson
机构：
[1] University of Florida,Department of Plant Pathology
[2] University of Nebraska—Lincoln,U.S. Department of Agriculture, Agricultural Research Service, and Department of Plant Pathology
来源：
Archives of Virology | 2016年 / 161卷
关键词：
Cucumber Mosaic Virus; Citrus Tristeza Virus; Infectious Clone; Aphid Transmission; Citrus Tristeza Virus Isolate;
D O I：
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中图分类号：
学科分类号：
摘要：
Vector transmission is an important part of the viral infection cycle, yet for many viruses little is known about this process, or how viral sequence variation affects transmission efficacy. Here we examined the effect of substituting genes from the highly transmissible FS577 isolate of citrus tristeza virus (CTV) in to the poorly transmissible T36-based infectious clone. We found that introducing p65 or p61 sequences from FS577 significantly increased transmission efficacy. Interestingly, replacement of both genes produced a greater increase than either gene alone, suggesting that CTV transmission requires the concerted action of co-evolved p65 and p61 proteins.
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页码：3555 / 3559
页数：4
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