植物病毒的昆虫传播：对病毒变异性的一种限制
Insect transmission of plant viruses: a constraint on virus variability.
作者信息
Power A G
机构信息
Department of Ecology and Evolutionary Biology, Corson Hall, Cornell University, Ithaca 14853, USA.
出版信息
Curr Opin Plant Biol. 2000 Aug;3(4):336-40. doi: 10.1016/s1369-5266(00)00090-x.
Genetic diversity in viruses is shaped by high rates of recombination and is constrained by host defenses and the requirements of transmission. Recent studies of insect-transmitted plant viruses demonstrate highly conserved molecular motifs in viral genomes that regulate the specificity of insect transmission. In contrast, advances in our understanding of host plant response to virus infection reveal some generalized patterns of host defense to a diversity of viruses.
病毒中的遗传多样性由高重组率塑造，并受到宿主防御和传播需求的限制。最近对昆虫传播的植物病毒的研究表明，病毒基因组中存在高度保守的分子基序，这些基序调节昆虫传播的特异性。相比之下，我们对宿主植物对病毒感染反应的理解进展揭示了宿主对多种病毒防御的一些普遍模式。
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