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Aphid Feeding on Plant Lectins Falling Virus Transmission Rates: A Multicase Study

文献类型： 外文期刊

作者： Francis, Frederic 1 ; Chen, Julian 3 ; Yong, Liu 2 ; Bosquee, Emilie 1 ;

作者机构： 1.Univ Liege, TERRA, Gembloux Agrobio Tech, Funct & Evolutionary Entomol, Passage Deportes 2, B-5030 Gembloux, Belgium

2.Shandong Agr Univ, Coll Plant Protect, Tai An 271018, Shandong, Peoples R China

3.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

关键词： lectin; glycoprotein; aphid; receptor; virus transmission

期刊名称：JOURNAL OF ECONOMIC ENTOMOLOGY （ 影响因子：2.381； 五年影响因子：2.568 ）

ISSN： 0022-0493

年卷期： 2020 年 113 卷 4 期

页码：

收录情况： SCI

摘要： Aphids are insect vectors that have piercing-sucking mouthparts supporting diversified patterns of virus-vector interactions. Aphids primarily retain circulative viruses in the midgut/hindgut, whereas noncirculative viruses tend to be retained in the stylet. Most viruses, and many proteins from animals, have carbohydrate or carbohydrate-binding sites. Lectins vary in their specificity, of which some are able to bind to viral glycoproteins. To assess the potential competition between lectins and viral particles in virus transmission by aphids, this study examined how feeding plant lectins to aphids affects the transmission efficiency of viruses. Sitobion avenae (F, 1794) (Homoptera: Aphididae) aphids fed with Pisum sativum lectin (PSL) transmitted Barley yellow dwarf virus with significantly lower efficiency (four-fold ratio). Pea enation mosaic virus was significantly reduced in Acyrthosiphon pisum Harris (Homoptera: Aphididae) aphids fed with the lectin Concanavalin A. In comparison, the transmission of Potato virus Y was significantly reduced when Myzus persicae Sultzer (Homoptera: Aphididae) aphids were fed with PSL. Thus, lectin could be used as a blocking agent of plant viruses, facilitating an alternative approach for crop protection.

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