Analysis of rice blast resistance genes by QTL mapping

被引：0
作者：
XU Jichen WANG Jiulin LING Zhongzhuan ZHU Lihuang Institute of Genetics and Developmental Biology Chinese Academy of Sciences Beijing China Institute of Crop Breeding and Cultivation Chinese Academy of Agr icultural Sciences Beijing China [1 ,2 ,2 ,1 ,1 ,100101 ,2 ,100083 ]
机构：
来源：
Chinese Science Bulletin | 2004年 / 04期
关键词：
rice blast disease; gene interaction; DH population; QTL;
D O I：
暂无
中图分类号：
S511 [稻];
学科分类号：
0901 ;
摘要：
Resistance to rice blast pathogen mostly shows a quantitative trait controlled by several minor genes. Its complexity and the mutable characteristic of rice blast iso-lates both hinder the development of the blast resistance re-search. The article here tried to explore the resistance gene distribution on rice chromosomes and the way of function. Totally 124 QTLs have been identified against 20 isolates using Cartographer software with a ZYQ8/JX17 DH popula-tion, which separately are at 100 loci of 72 marker intervals on 12 rice chromosomes. Of them, 16 QTLs were determined by the isolate HB-97-36-1. 82 QTLs (66.13%) are from the resistant parent alleles, ZYQ8, while 42 QTLs (33.87%) are from the susceptible parent alleles, JX17. In comparison of their positions on chromosome, most QTLs are clustered together and distributed nearby the major genes especially the regions on chromosomes 1, 2, 8, 10 and 12. Each QTL could account for the resistance variation between 3.52%—68.64%. And, a positional QTL might display the resistance to several different isolates with different contributions.
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页码：337 / 342
页数：6
相关论文
共 16 条
[1]  
QTL mapping of the root traits in rice seedling. J. C. Xu,J. Z. Li,X.W. Zheng. Acta Genetica Sinica . 2001
[2]  
RFLP mapping of genes conferring complete and partial resistance to blast in a durably resistant rice cultivar. G. Wang,D. J. Mackill,J. M. Bonman. Genetics . 1994
[3]  
Report of the committee on gene symbolization, Nomenclature and linkage groups. Nagato Y,Yoshimura A. Rice Genetics Newsletter . 1988
[4]  
A揹 ef eate d攔icer e sistance geneac tsasaQTLagain stavir ul entstrainofXanthomonasoryzaepvoryzae. Li ,Z.K,Luo, L.J,Mei,H.W.e tal. Molecular Genetics and Genomics . 1999
[5]  
Genetic diversity and disease control in rice. Y. Zhu,H. Che,J. Fan. Nature . 2000
[6]  
Genetics and utilization of pathogen resistance in plants. I. R. Crute,D. A. C. Pink. The Plant Cell . 1996
[7]  
Construction of a rice molecular linkage map using double haploid population. J. C. Xu,L. H. Zhu,Y. Chen. Chinese Journal of Genetics . 1994
[8]  
Mapping of the QTL (quantitative trait locus) conferring partial resistance to leaf blast in rice cultivar Chubu 32. K. Zenbayashi,T. Ashizawa,T. Tani. Theoretical and Applied Genetics . 2002
[9]  
Map positions of 47 Arabidopsis sequences with sequence similarity to disease resistance genes. M. A. Botella,M. J. Coleman,D. E. Hoghes. Plant Journal The . 1997
[10]  
Current status of gene-for-gene concept. HH Flor. Annual Review of Phytopathology . 1971
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