现代食品
現代食品
현대식품
Grain Distribution Technology
2015年
21期
67-70
,共4页
稻瘟病%主效抗性基因%抗性基因位点%分子标记%分子标记辅助育种
稻瘟病%主效抗性基因%抗性基因位點%分子標記%分子標記輔助育種
도온병%주효항성기인%항성기인위점%분자표기%분자표기보조육충
Rice blast%Resistance gene%Quantitative trait locus%Molecular m-ark%Molecular mark assisted breeding
稻瘟病是影响水稻生产最严重的病害之一。它是由真菌病原物Magnaporthe oryzae引起的。控制稻瘟病经济、有效和环保的方法是利用水稻品种的抗性。水稻（Oryza sativa）基因组测序已经完成，加速了稻瘟病抗性基因鉴定和克隆。至今，已经报道了69个稻瘟病抗性基因位点上的86个主效抗性基因，其中25个稻瘟病抗性基因已被克隆。本文概述了迄今已定位及克隆的稻瘟病抗性基因，以及利用DNA分子标记加速抗瘟水稻品种选育的进展，并对当前抗性基因在育种上应用所面临的问题进行探讨。
稻瘟病是影響水稻生產最嚴重的病害之一。它是由真菌病原物Magnaporthe oryzae引起的。控製稻瘟病經濟、有效和環保的方法是利用水稻品種的抗性。水稻（Oryza sativa）基因組測序已經完成，加速瞭稻瘟病抗性基因鑒定和剋隆。至今，已經報道瞭69箇稻瘟病抗性基因位點上的86箇主效抗性基因，其中25箇稻瘟病抗性基因已被剋隆。本文概述瞭迄今已定位及剋隆的稻瘟病抗性基因，以及利用DNA分子標記加速抗瘟水稻品種選育的進展，併對噹前抗性基因在育種上應用所麵臨的問題進行探討。
도온병시영향수도생산최엄중적병해지일。타시유진균병원물Magnaporthe oryzae인기적。공제도온병경제、유효화배보적방법시이용수도품충적항성。수도（Oryza sativa）기인조측서이경완성，가속료도온병항성기인감정화극륭。지금，이경보도료69개도온병항성기인위점상적86개주효항성기인，기중25개도온병항성기인이피극륭。본문개술료흘금이정위급극륭적도온병항성기인，이급이용DNA분자표기가속항온수도품충선육적진전，병대당전항성기인재육충상응용소면림적문제진행탐토。
Rice blast, caused by Magnaporthe oryzae, is one of the most devastating dise-ases affecting rice production. The most worthwhile, effective and environment-friendly w-ay to against this disease is use of resistance of rice cultivars. For the moment, the geno-mic sequences of Oryza sativa has been available. Identifying and cloning blast resistance genes are accelerated. To date, 86 major blast resistance genes distributed on 69 quantitati-ve trait locus for against to the pathogen have been identiifed by genetic analysis. Of them, nine major blast resistance genes in rice have been cloned. This review focuses on the recent progress on molecular mapping and cloning of blast resistance genes and the appl-ication of DNA-based markers that are used for accelerating the development of blast resi-stant rice cultivars. In addition, the problem of use of them on breeding at present is also discussed.
