期刊
INFECTION GENETICS AND EVOLUTION
卷 12, 期 7, 页码 1413-1418出版社
ELSEVIER
DOI: 10.1016/j.meegid.2012.04.027
关键词
Aedes aegypti; Vector-virus interaction; Gene context; Codon bias; Intron; Co-evolution
资金
- NIH-NIAID Grant [R01-AI059342]
Dengue virus infection causes significant morbidity and mortality in humans world-wide. The Aedes aegypti mosquito is the major vector that spreads dengue virus to humans. Interaction between dengue viruses and A. aegypti is a multi-factorial phenomena that is determined by both virus and mosquito genotypes. Although, studies have suggested significant association of mosquito vectorial capacity with population variation of dengue virus, specifications of the vector factors that may influence vector-virus compatibility are very limited in the literature. Recently, we have shown that a large number of genes are differentially expressed between MOYO-S (susceptible) and MOYO-R (refractory) A. aegypti strains upon infection with dengue virus (JAM-1409 genotype). In the current study, we show that specific intrinsic features of A. aegypti genes are significantly associated with 'responsiveness' of mosquito genes to dengue infection. Binomial logistic regression analysis further reveals differential marginal effects of these features on gene responsiveness of mosquitoes to the viral infection. Thus, our result shows that intrinsic features of genes significantly affect differential expression of A. aegypti genes to dengue infection. The information will benefit further investigations on evolution of genes among natural populations of A. aegypti conferring differential susceptibility to dengue virus. (c) 2012 Elsevier B.V. All rights reserved.
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