نتایج جستجو برای: nbs lrr
تعداد نتایج: 3657 فیلتر نتایج به سال:
Plant disease resistance is often conferred by genes with nucleotide binding site (NBS) and leucine-rich repeat (LRR) or serine/threonine protein kinase (S/TPK) domains. Much less is known about mechanisms of susceptibility, particularly to necrotrophic fungal pathogens. The pathogens that cause the diseases tan spot and Stagonospora nodorum blotch on wheat produce effectors (host-selective tox...
Plant disease resistance (R) genes that mediate recognition of the same pathogen determinant sometimes can be found in distantly related plant families. This observation implies that some R gene alleles may have been conserved throughout the diversification of land plants. To address this question, we have compared R genes from Glycine max (soybean), Rpg1-b, and Arabidopsis thaliana, RPM1, that...
Root-knot nematodes, Meloidogyne spp., cause considerable damage in eggplant production. Transferring of resistance genes from wild relatives would be valuable for the continued improvement of eggplant. Solanum aculeatissimum, a wild relative of eggplant possessing resistance to Meloidogyne incognita, is potentially useful for genetically enhancing eggplant. In the present study, we have isolat...
Twenty-six orthologs of the rice blast resistance gene Pid3 from cultivated varieties and wild rice accessions distributed in different areas were cloned by allele mining. Sequence analysis showed that while each of the orthologous genes from indica varieties and most wild accessions encodes a complete NBS-LRR protein, each of the proteins encoded by those from japonica varieties and few wild r...
Many plant disease resistance genes (Rgenes) encode proteins characterized by the presence of a nucleotide-binding site (NBS) and a leucine-rich repeat (LRR) region and occur in clusters of related genes in plant genomes. One such gene, Mi-1, confers isolate-speciWc resistance against root-knot nematodes, aphids and whiteXies in cultivated tomato, Solanum lycopersicon. The DNA region carrying M...
Plant disease resistance (R) genes that mediate recognition of the same pathogen determinant sometimes can be found in distantly related plant families. This observation implies that some R gene alleles may have been conserved throughout the diversification of land plants. To address this question, we have compared R genes from Glycine max (soybean), Rpg1-b, and Arabidopsis thaliana, RPM1, that...
Alleles or tightly linked genes at the soybean (Glycine max L. Merr.) Rpg1 locus confer resistance to strains of Pseudomonas syringae pv. glycinea that express the avirulence genes avrB or avrRpm1. We have previously mapped Rpg1-b (the gene specific for avrB) to a cluster of resistance genes (R genes) with diverse specificities in molecular linkage group F. Here, we describe the high-resolution...
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