Functional markers in wheat - Commentary

文献类型： 外文期刊

第一作者： Bagge, Merethe

作者： Bagge, Merethe;Xia, Xianchun;Lubberstedt, Thomas

作者机构：

期刊名称：CURRENT OPINION IN PLANT BIOLOGY （ 影响因子：7.834； 五年影响因子：9.438 ）

ISSN： 1369-5266

年卷期： 2007 年 10 卷 2 期

页码：

收录情况： SCI

摘要： Wheat (Triticum aestivum L.) is one of the most important staple crops world-wide. Gene-derived 'functional' markers (FMs, also called perfect or diagnostic markers elsewhere) would be the ideal tools for marker-assisted breeding of wheat but, at present, their utility is restricted by the limited availability of genes that control agronomic characters. This bottleneck will be overcome in the next decade by ongoing genomics projects. Another obstacle for assigning sequence to trait variation is the high level of linkage disequilibrium (LD) found in elite materials. Thus, although laborious, TILLING seems to be the most promising approach for targeting sites in genes of interest for FM development. Once larger numbers of FMs become available for wheat breeding, they might be useful in exploiting the fixed genetic variation that is present in regions of high LD.

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