title: Identification of quantitative trait loci conferring blast resistance in Bodao, a japonica rice landrace.
abstract: Bodao, a japonica landrace from the Taihu Lake region of China, is highly resistant to most Chinese isolates of Magnaporthe oryzea, a form of rice blast. To effectively dissect the influence of genetics on this blast resistance, a population of 155 recombinant inbred lines (F2:8) derived from a cross of Bodao x Suyunuo was inoculated with 12 blast isolates. Using a quantitative trait locus (QTL) mapping approach, 13 QTL on chromosomes 1, 2, 9, 11, and 12 were detected from Bodao. Five QTL, including qtl11-1-1, qtl11-3-7, qtl11-4-9, qtl12-1-1, and qtl12-2-3, have not been previously reported. The qtl11-3-7 and qtl11-4-9 may be the two main effective QTL and resistant to 7 and 9 isolates, respectively. The results of the present study will be valuable for the fine mapping and cloning of these two new resistance genes.
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China.
authors.forename: J
authors.initials: J
authors.lastname: Huan
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China.
authors.forename: Y M
authors.initials: YM
authors.lastname: Bao
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China.
authors.forename: Y Y
authors.initials: YY
authors.lastname: Wu
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China.
authors.forename: G Y
authors.initials: GY
authors.lastname: Zeng
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China.
authors.forename: W W
authors.initials: WW
authors.lastname: He
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China.
authors.forename: L L
authors.initials: LL
authors.lastname: Dang
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China.
authors.forename: J F
authors.initials: JF
authors.lastname: Wang
authors.affiliation: State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture, Nanjing Agricultural University, Nanjing, China hszhang@njau.edu.cn.
authors.forename: H S
authors.initials: HS
authors.lastname: Zhang
mesh_terms: D002681:China; D002874:Chromosome Mapping; D032461:Chromosomes, Plant / Q000737:chemistry / Q000276:immunology*; D003433:Crosses, Genetic; D020082:Magnaporthe / Q000276:immunology; D012275:Oryza / Q000235:genetics* / Q000276:immunology / Q000382:microbiology; D010935:Plant Diseases / Q000235:genetics / Q000276:immunology* / Q000382:microbiology; D057865:Plant Immunity / Q000235:genetics*; D040641:Quantitative Trait Loci / Q000276:immunology*