Tomato is one of the most important food crops worldwide, providing phytonutrients and color to our diet. Tomato yellow leaf curl virus (TYLCV) is one of the most devastating viruses of cultivated tomatoes and a key limiting factor to tomato production in major tomato-growing areas. The management of TYLCV is difficult because its whitefly vector populations can reach high numbers and relies heavily on the application of hazardous chemicals (insecticides). Breeding TYLCV-resistant tomato cultivars provides an attractive, environmentally friendly strategy to reduce yield losses caused by the virus. Considerable efforts have been invested in breeding TYLCV-resistant tomato cultivars. The discovery and utilization of genes controlling resistance can expedite the breeding process and highlight innate means to promote such resistance. Here we report the discovery of the gene controlling TYLCV resistance at the ty-5 locus. It was found that the messenger RNA surveillance factor Pelo is responsible for this resistance. Our discovery, together with the recent discovery of the gene controlling resistance at the Ty-1/Ty-3 locus, can lead to precision pyramiding of these two genes to enhance the spectrum of resistance of tomato plants to TYLCV, and possibly to other begomoviruses.
Vyšlo v časopise: A Novel Route Controlling Begomovirus Resistance by the Messenger RNA Surveillance Factor Pelota. PLoS Genet 11(10): e32767. doi:10.1371/journal.pgen.1005538 Kategorie: Research Article prolekare.web.journal.doi_sk: https://doi.org/10.1371/journal.pgen.1005538
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