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首页> 外文期刊>Journal of Experimental Botany >Allelic diversity and molecular characterization of puroindoline genes in five diploid species of the Aegilops genus
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Allelic diversity and molecular characterization of puroindoline genes in five diploid species of the Aegilops genus

机译：五种节肢动物属中puroindoline基因的等位基因多样性和分子特征

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摘要

Grain hardness is an important quality trait in wheat. This trait is related to the variation in, and the presence of, puroindolines (PINA and PINB). This variation can be increased by the allelic polymorphism present in the Aegilops species that are related to wheat. This study evaluated allelic Pina and Pinb gene variability in five diploid species of the Aegilops genus, along with the molecular characterization of the main allelic variants found in each species. This polymorphism resulted in 16 alleles for the Pina gene and 24 alleles for the Pinb gene, of which 10 and 17, respectively, were novel. Diverse mutations were detected in the deduced mature proteins of these alleles, which could influence the hardness characteristics of these proteins. This study shows that the diploid species of the Aegilops genus could be a good source of genetic variability for both Pina and Pinb genes, which could be used in breeding programmes to extend the range of different textures in wheat.
机译：籽粒硬度是小麦的重要品质特性。此性状与嘌呤二氢吲哚（PINA和PINB）的变异和存在有关。这种变异可以通过与小麦相关的埃格勒种中存在的等位基因多态性而增加。这项研究评估了五个节肢动物属二倍体物种的等位基因Pina和Pinb基因变异性，以及每个物种中发现的主要等位基因变体的分子特征。这种多态性导致Pina基因的16个等位基因和Pinb基因的24个等位基因，其中分别为10和17个是新的。在推导的这些等位基因的成熟蛋白中检测到各种突变，这可能影响这些蛋白的硬度特性。这项研究表明，Aegilops属的二倍体物种可能是Pina和Pinb基因遗传变异的良好来源，可用于育种程序以扩展小麦不同质地的范围。

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