ArticleInternational journal of molecular sciences2014
Silencing of the CaCP gene delays salt- and osmotic-induced leaf senescence in Capsicum annuum L.
Article in International journal of molecular sciences, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- Unveiling molecular mechanisms of pepper resistance to Phytophthora capsici through grafting using iTRAQ-based proteomic analysis.Scientific reports · 2024Article
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- A Novel Senescence-Specific Gene (International journal of molecular sciences · 2022Article
- Article
- The Papain-like Cysteine ProteaseInternational journal of molecular sciences · 2021Article
- Genetic and Molecular Mechanisms Conferring Heat Stress Tolerance in Tomato Plants.Frontiers in plant science · 2021Review
- Role of Papain-Like Cysteine Proteases in Plant Development.Frontiers in plant science · 2018Review
- Article
- Autophagy, a Conserved Mechanism for Protein Degradation, Responds to Heat, and Other Abiotic Stresses in Capsicum annuum L.Frontiers in plant science · 2016Article
- Cloning and characterization of the pepper CaPAO gene for defense responses to salt-induced leaf senescence.BMC biotechnology · 2015Article
- Overexpression of the CaTIP1-1 pepper gene in tobacco enhances resistance to osmotic stresses.International journal of molecular sciences · 2014Article
- Plant senescence and proteolysis: two processes with one destiny.Genetics and molecular biologyArticle
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cysteine proteinases have been known to participate in developmental processes and in response to stress in plants. Our present research reported that a novel CP gene, CaCP, was involved in leaf senescence in pepper (Capsicum annuum L.). The full-length CaCP cDNA is comprised of 1316 bp, contains 1044 nucleotides in open reading frame (ORF), and encodes a 347 amino acid protein. The deduced protein belongs to the papain-like cysteine proteases (CPs) superfamily, containing a highly conserved ERFNIN motif, a GCNGG motif and a conserved catalytic triad. This protein localized to the vacuole of plant cells. Real-time quantitative PCR analysis revealed that the expression level of CaCP gene was dramatically higher in leaves and flowers than that in roots, stems and fruits. Moreover, CaCP transcripts were induced upon during leaf senescence. CaCP expression was upregulated by plant hormones, especially salicylic acid. CaCP was also significantly induced by abiotic and biotic stress treatments, including high salinity, mannitol and Phytophthora capsici. Loss of function of CaCP using the virus-induced gene-silencing technique in pepper plants led to enhanced tolerance to salt- and osmotic-induced stress. Taken together, these results suggest that CaCP is a senescence-associated gene, which is involved in developmental senescence and regulates salt- and osmotic-induced leaf senescence in pepper.
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