ArticleThe Plant journal : for cell and molecular biology2025
LncRNA81246 regulates resistance against tea leaf spot by interrupting the miR164d-mediated degradation of NAC1.
Article in The Plant journal : for cell and molecular biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A miR858 variant negatively regulates resistance to tea leaf spot through targeting the CsMYB1-CsPME41 module.Molecular horticulture · 2026Article
- Long non-coding RNA RsLNC2361 positively regulate anthocyanin accumulation in radish.BMC plant biology · 2026Article
- Exploring the CeRNA landscape in plants: advances, methods, and challenges.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- LncR12304.1-miR1507c-Horticulture research · 2026Article
- Tea Plant miR5368-p5 Negatively Regulates Resistance Against Lasiodiplodia theobromae Through Targeting the CsWRKY57-CsLRR-RLK Module.Molecular plant pathology · 2025Article
- gma-miR828a Negatively Regulates Resistance to Tea Leaf Spot Caused by Lasiodiplodia theobromae Through Targeting the CsMYB28-CsRPP13 Module.Molecular plant pathology · 2025Article
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8 authors.
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Abstract
Non-coding RNAs play crucial roles in plant responses to viral stresses. However, their molecular mechanisms in tea leaf spot responses remain unclear. In this study, using Camellia sinensis, we identified lncRNA81246 as a long non-coding RNA that localizes to both the nucleus and cytoplasm. It functions as a competitive endogenous RNA, thereby disrupting CsNAC1 (encoding NAC domain-containing protein 1) degradation mediated by miR164d. Silencing lncRNA81246 increased the resistance of tea plants to presistanceathogens, whereas transient lncRNA81246-overexpression plants showed decreased resistance to pathogens. Co-expression assays in Nicotiana benthamiana revealed that lncRNA81246 affects the miR164d-CsNAC1 regulatory module. Transient miR164d-overexpression and silencing assays demonstrated its positive regulation of tea plant resistance. Specifically, silencing its target, CsNAC1, enhanced disease resistance, whereas transient overexpression reduced plant resistance. Yeast one-hybrid, dual-luciferase, and RT-qPCR assay results suggested that CsNAC1 alters the expression of CsEXLB1, whereas AsODN and tobacco transient overexpression assays showed that CsEXLB1 negatively regulated tea plant resistance. Thus, our research demonstrated that lncRNA81246 acts as a mediator to interfere with the miR164d-CsNAC1 regulatory module involved in the disease resistance of tea plants.
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