Gene Discovery in Triticum dicoccoides, the Direct Progenitor of Cultivated Wheats

文献类型： 外文期刊

第一作者： Sun, D. F.

作者： Sun, D. F.;Peng, Y. L.;Nevo, E.;Peng, J. H.

作者机构：

关键词： Triticum dicoccoides;molecular marker;agronomic trait;biotic and abiotic stress tolerance;gene mapping and cloning;wheat improvement

期刊名称：CEREAL RESEARCH COMMUNICATIONS （ 影响因子：0.85； 五年影响因子：1.067 ）

ISSN： 0133-3720

年卷期： 2013 年 41 卷 1 期

页码：

收录情况： SCI

摘要： Triticum dicoccoides, wild emmer wheat, is the direct progenitor of cultivated wheats, has the same genome formula as durum wheat, and has contributed two genomes to bread wheat. It harbors many useful genes, more than can be used for wheat improvement. These genes are associated with many agronomic traits, abiotic stress tolerances, biotic stress resistances, grain protein content and micronutrient mineral concentrations. In this review, we summarized the achievements regarding gene discovery, i.e. gene identification, mapping and cloning in wild emmer wheat. These genes, controlling important agronomic traits, disease resistance, drought tolerance, high protein content and micronutrient mineral content, should be very useful for improvement of wheat production and food nutrition. However, the majority of genetic resources in wild emmer remain untapped, demonstrating the need for further exploration and utilization for wheat breeding programs. The large number of molecular markers, genomics tools and efficient cloning techniques available for wheat will greatly accelerate the application of wild emmer germplasm to wheat improvement and ensure sustainability of global wheat production.

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