Cotton leaf curl Multan virus subverts the processing of hydroxyproline-rich systemin to suppress tobacco defenses against insect vectors

© The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink serv...

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Publié dans:Journal of experimental botany. - 1985. - 75(2024), 18 vom: 27. Sept., Seite 5819-5838
Auteur principal: Chen, Na (Auteur)
Autres auteurs: Zou, Chi, Pan, Li-Long, Du, Hui, Yang, Jing-Jing, Liu, Shu-Sheng, Wang, Xiao-Wei
Format: Article en ligne
Langue:English
Publié: 2024
Accès à la collection:Journal of experimental botany
Sujets:Journal Article Betasatellite CLCuMuV NtSBT1.7 NtpreproHypSysB virus–plant–insect tripartite interactions whitefly Plant Proteins
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520 |a Insect vector-virus-plant interactions have important ecological and evolutionary implications. The constant struggle of plants against viruses and insect vectors has driven the evolution of multiple defense strategies in the host as well as counter-defense strategies in the viruses and insect vectors. Cotton leaf curl Multan virus (CLCuMuV) is a major causal agent of cotton leaf curl disease in Asia and is exclusively transmitted by the whitefly Bemisia tabaci. Here, we report that plants infected with CLCuMuV and its betasatellite CLCuMuB enhance the performance of the B. tabaci vector, and βC1 encoded by CLCuMuB plays an important role in begomovirus-whitefly-tobacco tripartite interactions. We showed that CLCuMuB βC1 suppresses the jasmonic acid signaling pathway by interacting with the subtilisin-like protease 1.7 (NtSBT1.7) protein, thereby enhancing whitefly performance on tobacco plants. Further studies revealed that in wild-type plants, NtSBT1.7 could process tobacco preprohydroxyproline-rich systemin B (NtpreproHypSysB). After CLCuMuB infection, CLCuMuB βC1 could interfere with the processing of NtpreproHypSysB by NtSBT1.7, thereby impairing plant defenses against whitefly. These results contribute to our understanding of tripartite interactions among virus, plant, and whitefly, thus offering ecological insights into the spread of vector insect populations and the prevalence of viral diseases 
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650 4 |a CLCuMuV 
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650 4 |a virus–plant–insect tripartite interactions 
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650 7 |a Plant Proteins  |2 NLM 
700 1 |a Zou, Chi  |e verfasserin  |4 aut 
700 1 |a Pan, Li-Long  |e verfasserin  |4 aut 
700 1 |a Du, Hui  |e verfasserin  |4 aut 
700 1 |a Yang, Jing-Jing  |e verfasserin  |4 aut 
700 1 |a Liu, Shu-Sheng  |e verfasserin  |4 aut 
700 1 |a Wang, Xiao-Wei  |e verfasserin  |4 aut 
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