ArticleCellular and molecular life sciences : CMLS2022
Interaction of ToLCNDV TrAP with SlATG8f marks it susceptible to degradation by autophagy.
Article in Cellular and molecular life sciences : CMLS, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- APathogens (Basel, Switzerland) · 2025Article
- Article
- Citrus tristeza virus p20 suppresses antiviral RNA silencing by co-opting autophagy-related protein 8 to mediate the autophagic degradation of SGS3.PLoS pathogens · 2025Article
- The haplotype-resolved T2T reference genome highlights structural variation underlying agronomic traits of melon.Horticulture research · 2023Article
- The Great Game between Plants and Viruses: A Focus on Protein Homeostasis.International journal of molecular sciences · 2023Review
- Silencing of the calcium-dependent protein kinase TaCDPK27 improves wheat resistance to powdery mildew.BMC plant biology · 2023Article
- P3/P3N-PIPO of PVY interacting with BI-1 inhibits the degradation of NIb by ATG6 to facilitate virus replication inFrontiers in plant science · 2023Article
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
Tomato leaf curl New Delhi virus (ToLCNDV) is a devastating plant pathogen which causes significant losses in tomato yield. According to previous reports, proteins of geminiviruses like βC1 of Cotton leaf curl Multan virus and C1 of Tomato leaf curl Yunnan virus are degraded by the autophagy pathway. There are no reports on the role of autophagy in ToLCNDV pathogenesis. In this study, we have shown that SlATG8f interacts with the ToLCNDV Transcription activator protein (TrAP; AC2) to mediate its degradation by the autophagy pathway. Silencing of SlATG8f in a ToLCNDV tolerant tomato cultivar; H-88-78-1 resulted in enhanced viral symptoms and ToLCNDV accumulation suggesting an anti-viral role for SlATG8f against ToLCNDV. TrAP is a nucleus localized protein, but it interacts with SlATG8f in and outside the nucleus indicating its nuclear export. This export might be mediated by Exportin1 as treatment with Exportin1 inhibitor inhibits TrAP export outside the nucleus. ToLCNDV TrAP is known to possess host RNA silencing suppression (RSS) activity. Degradation of TrAP results in the attenuation of its RSS activity. To the best of our knowledge, we have shown for the first time that SlATG8f-TrAP interaction leads to TrAP degradation providing defence against ToLCNDV.
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