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Position: Home > Articles > Progress on transferring elite genes from non-AA genome wild rice into Oryza sativa through interspecific hybridization. Rice Science 2008,15 (2) 79-87

Progress on transferring elite genes from non-AA genome wild rice into Oryza sativa through interspecific hybridization.

作者：

Fu XueLin;Lu YongGen;Liu XiangDong;Li JinQuan

单位：

Guangzhou 510642;Guangdong Provincial Key Laboratory of Plant Molecular Breeding; China; South China Agricultural University

关键词：

crosses;crossing;gene mapping;genes;genomes;genomics;hybrids;interspecific hybridization;rice;Oryza;Oryza sativa;Zizania aquatica

摘要：

The progress of research on transferring elite genes from non-AA genome wild rice into Oryza sativa through interspecific hybridization are in three respects, that is, breeding monosomic alien addition lines (MAALs), constructing introgression lines (ILs) and analyzing the heredity of the characters and mapping the related genes. There are serious reproductive barriers, mainly incrossability and hybrid sterility, in the interspecific hybridization of O. sativa with non-AA genome wild rice. These are the 'bottleneck' for transferring elite genes from wild rice to O. sativa. Combining traditional crossing method with biotechnique is a reliable way to overcome the reproductive barriers and to improve the utilizing efficiency of non-AA genome wild rice.

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Progress on transferring elite genes from non-AA genome wild rice into Oryza sativa through interspecific hybridization.

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