ArticleMolecular plant pathology2024
A novel protein elicitor (Cs08297) from Ciboria shiraiana enhances plant disease resistance.
Article in Molecular plant pathology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Fusarium sacchari 14-3-3 Protein FsBmh1 Sequesters a Novel Elicitor FsEcm33 to Evade Host Immunity.Molecular plant pathology · 2026Article
- Plant immune inducers from fundamental research to applications: Past achievements, current challenges, and future perspectives.Plant communications · 2026Review
- Secreted proteins fromFrontiers in plant science · 2026Article
- A novel protein elicitor (Cs08297) from Ciboria shiraiana enhances plant disease resistance.Molecular plant pathology · 2024Article
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Authors and funding
9 authors.
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Abstract
Ciboria shiraiana is a necrotrophic fungus that causes mulberry sclerotinia disease resulting in huge economic losses in agriculture. During infection, the fungus uses immunity elicitors to induce plant tissue necrosis that could facilitate its colonization on plants. However, the key elicitors and immune mechanisms remain unclear in C. shiraiana. Herein, a novel elicitor Cs08297 secreted by C. shiraiana was identified, and it was found to target the apoplast in plants to induce cell death. Cs08297 is a cysteine-rich protein unique to C. shiraiana, and cysteine residues in Cs08297 were crucial for its ability to induce cell death. Cs08297 induced a series of defence responses in Nicotiana benthamiana, including the burst of reactive oxygen species (ROS), callose deposition, and activation of defence-related genes. Cs08297 induced-cell death was mediated by leucine-rich repeat (LRR) receptor-like kinases BAK1 and SOBIR1. Purified His-tagged Cs08297-thioredoxin fusion protein triggered cell death in different plants and enhanced plant resistance to diseases. Cs08297 was necessary for sclerotial development, oxidative-stress adaptation, and cell wall integrity but negatively regulated virulence of C. shiraiana. In conclusion, our results revealed that Cs08297 is a novel fungal elicitor in fungi inducing plant immunity. Furthermore, its potential to enhance plant resistance provides a new target to control agricultural diseases biologically.
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