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Proteomic and Transcriptomic Analysis for Identification of Endosymbiotic Bacteria Associated with BYDV Transmission Efficiency by Sitobion miscanthi

文献类型： 外文期刊

作者： Yu, Wenjuan 1 ; Bosquee, Emilie 2 ; Fan, Jia 3 ; Liu, Yong 4 ; Bragard, Claude 5 ; Francis, Frederic 2 ; Chen, Julian 3 ;

作者机构： 1.Sichuan Acad Agr Sci, Inst Plant Protect, MOA Key Lab Integrated Management Pests Crops Sou, Chengdu 610066, Peoples R China

2.Univ Liege, Gembloux Agrobio Tech, Funct & Evolutionary Entomol, Passage Deportes 2, B-5030 Gembloux, Belgium

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

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

5.UCLouvain, Appl Microbiologye Phytopathol Earth & Life Inst, Croix Sud L7-05-03, B-1348 Louvain La Neuve, Belgium

关键词： Sitobion miscanthi; barley yellow dwarf virus; endosymbiont; transmission efficiency

期刊名称：PLANTS-BASEL （ 影响因子：4.658； 五年影响因子：4.827 ）

ISSN：

年卷期： 2022 年 11 卷 23 期

页码：

收录情况： SCI

摘要： Sitobion miscanthi, an important viral vector of barley yellow dwarf virus (BYDV), is also symbiotically associated with endosymbionts, but little is known about the interactions between endosymbionts, aphid and BYDV. Therefore, two aphids' geographic populations, differing in their BYDV transmission efficiency, after characterizing their endosymbionts, were treated with antibiotics to investigate how changes in the composition of their endosymbiont population affected BYDV transmission efficiency. After antibiotic treatment, Rickettsia was eliminated from two geographic populations. BYDV transmission efficiency by STY geographic population dropped significantly, by -44.2% with ampicillin and -25.01% with rifampicin, but HDZ geographic population decreased by only 14.19% with ampicillin and 23.88% with rifampicin. Transcriptomic analysis showed that the number of DEGs related to the immune system, carbohydrate metabolism and lipid metabolism did increase in the STY rifampicin treatment, while replication and repair, glycan biosynthesis and metabolism increased in the STY ampicillin treatment. Proteomic analysis showed that the abundance of symbionin symL, nascent polypeptide-associated complex subunit alpha and proteasome differed significantly between the two geographic populations. We found that the endosymbionts can mediate vector viral transmission. They should therefore be included in investigations into aphid-virus interactions and plant disease epidemiology. Our findings should also help with the development of strategies to prevent virus transmission.

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