ArticleJournal of experimental botany2012
Revealing the importance of meristems and roots for the development of hypersensitive responses and full foliar resistance to Phytophthora infestans in the resistant potato cultivar Sarpo Mira.
Article in Journal of experimental botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Integrated transcriptome and DNA methylome analysis reveal the biological base of increased resistance to gray leaf spot and growth inhibition in interspecific grafted tomato scions.BMC plant biology · 2024Article
- Late Blight Resistance Conferred byPlants (Basel, Switzerland) · 2022Article
- The Solanum demissum R8 late blight resistance gene is an Sw-5 homologue that has been deployed worldwide in late blight resistant varieties.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Evolutionary analysis of RB/Rpi-blb1 locus in the Solanaceae family.Molecular genetics and genomics : MGG · 2015Article
- The induction of Ethylene response factor 3 (ERF3) in potato as a result of co-inoculation with Pseudomonas sp. R41805 and Rhizophagus irregularis MUCL 41833 - a possible role in plant defense.Plant signaling & behavior · 2015Article
- A locus conferring effective late blight resistance in potato cultivar Sárpo Mira maps to chromosome XI.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Article
- Stem-cell-triggered immunity safeguards cytokinin enriched plant shoot apexes from pathogen infection.Frontiers in plant science · 2014Article
- Hypersensitive response toMolecular breeding : new strategies in plant improvement · 2014Article
- Plant integrity: an important factor in plant-pathogen interactions.Plant signaling & behavior · 2013Review
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6 authors.
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Abstract
The defence responses of potato against Phytophthora infestans were studied using the highly resistant Sarpo Mira cultivar. The effects of plant integrity, meristems, and roots on the hypersensitive response (HR), plant resistance, and the regulation of PR genes were analysed. Sarpo Mira shoots and roots grafted with the susceptible Bintje cultivar as well as non-grafted different parts of Sarpo Mira plants were inoculated with P. infestans. The progress of the infection and the number of HR lesions were monitored, and the regulation of PR genes was compared in detached and attached leaves. Additionally, the antimicrobial activity of plant extracts was assessed. The presented data show that roots are needed to achieve full pathogen resistance, that the removal of meristems in detached leaves inhibits the formation of HR lesions, that PR genes are differentially regulated in detached leaves compared with leaves of whole plants, and that antimicrobial compounds accumulate in leaves and roots of Sarpo Mira plants challenged with P. infestans. While meristems are necessary for the formation of HR lesions, the roots of Sarpo Mira plants participate in the production of defence-associated compounds that increase systemic resistance. Based on the literature and on the presented results, a model is proposed for mechanisms involved in Sarpo Mira resistance that may apply to other resistant potato cultivars.
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