Scientists Identify Disease Resistance Gene in PepperMay 28, 2014
Scientists from University of California Davis (UC Davis) have identified a promising candidate gene that encodes resistance to Phytophthora capsici, a fungus-like pathogen spreading root rot disease in peppers.
The Seed Biotechnology Center at UC Davis screened 31,000 genes in a population of pathogen-resistant chili peppers and jalapeños to build a high-density genetic map of 3,600 genes. They then tested their findings by introducing the peppers to P. capsici samples collected from across Mexico, New Mexico, New Jersey, California, Michigan, and Tennessee. Analyses led them to the P5 chromosome and to the gene related to resistance, CaDMR1.
For more information about this research, read the UC Davis news release at http://news.ucdavis.edu/search/news_detail.lasso?id=10935.
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