ArticlePlanta2007
Ectopic expression of Dahlia merckii defensin DmAMP1 improves papaya resistance to Phytophthora palmivora by reducing pathogen vigor.
Article in Planta, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 69 citations in OpenAlex.
- Defensin-like Protein Homologues Participate in Antiviral Resistance inLife (Basel, Switzerland) · 2026Article
- Synthetic Biology of Plants and Microbes for Agriculture, Environment, and Future Applications.Chemical reviews · 2026Review
- Fighting pathogenic yeasts with plant defensins and anti-fungal proteins from fungi.Applied microbiology and biotechnology · 2024Review
- Plant-Derived Antimicrobial Peptides: Novel Preservatives for the Food Industry.Foods (Basel, Switzerland) · 2022Review
- Use of Defensins to Develop Eco-Friendly Alternatives to Synthetic Fungicides to Control Phytopathogenic Fungi and Their Mycotoxins.Journal of fungi (Basel, Switzerland) · 2022Review
- Integrative RNA-Seq analysis ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Type 2 Nep1-Like Proteins from the Biocontrol OomyceteJournal of fungi (Basel, Switzerland) · 2021Article
- Ecotopic Expression of the Antimicrobial Peptide DmAMP1W Improves Resistance of Transgenic Wheat to Two Diseases: Sharp Eyespot and Common Root Rot.International journal of molecular sciences · 2020Article
- Plant defensins: types, mechanism of action and prospects of genetic engineering for enhanced disease resistance in plants.3 Biotech · 2019Review
- Article
- Antimicrobial Peptides from Fruits and Their Potential Use as Biotechnological Tools-A Review and Outlook.Frontiers in microbiology · 2016Review
- Plant antimicrobial peptides.Folia microbiologica · 2014Review
- Field resistance to Fusarium oxysporum and Verticillium dahliae in transgenic cotton expressing the plant defensin NaD1.Journal of experimental botany · 2014Article
- Subcellular targeting of an evolutionarily conserved plant defensin MtDef4.2 determines the outcome of plant-pathogen interaction in transgenic Arabidopsis.Molecular plant pathology · 2012Article
- Mungbean plants expressing BjNPR1 exhibit enhanced resistance against the seedling rot pathogen, Rhizoctonia solani.Transgenic research · 2012Article
- Defense gene expression is potentiated in transgenic barley expressing antifungal peptide Metchnikowin throughout powdery mildew challenge.Journal of plant research · 2012Article
- Rapid in planta evaluation of root expressed transgenes in chimeric soybean plants.Plant cell reports · 2010Article
- Plant defensins: defense, development and application.Plant signaling & behavior · 2009Review
- Expression of Dm-AMP1 in rice confers resistance to Magnaporthe oryzae and Rhizoctonia solani.Transgenic research · 2009Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phytophthora spp., some of the more important casual agents of plant diseases, are responsible for heavy economic losses worldwide. Plant defensins have been introduced as transgenes into a range of species to increase host resistance to pathogens to which they were originally susceptible. However, the effectiveness and mechanism of interaction of the defensins with Phytophthora spp. have not been clearly characterized in planta. In this study, we expressed the Dahlia merckii defensin, DmAMP1, in papaya (Carica papaya L.), a plant highly susceptible to a root, stem, and fruit rot disease caused by Phytophthora palmivora. Extracts of total leaf proteins from transformed plants inhibited growth of Phytophthora in vitro and discs cut from the leaves of transformed plants inhibited growth of Phytophthora in a bioassay. Results from our greenhouse inoculation experiments demonstrate that expressing the DmAMP1 gene in papaya plants increased resistance against P. palmivora and that this increased resistance was associated with reduced hyphae growth of P. palmivora at the infection sites. The inhibitory effects of DmAMP1 expression in papaya suggest this approach has good potential to impart transgenic resistance against Phytophthora in papaya.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.