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首页> 外文期刊>Russian journal of genetics >Comparative analysis of the genetic diversity dynamics at gliadin loci in the winter common wheat Triticum aestivum L. cultivars developed in Serbia and Italy over 40 years of scientific breeding
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Comparative analysis of the genetic diversity dynamics at gliadin loci in the winter common wheat Triticum aestivum L. cultivars developed in Serbia and Italy over 40 years of scientific breeding

机译：塞尔维亚和意大利40年科学育种冬小麦普通小麦醇溶蛋白基因座遗传多样性动态的比较分析。

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摘要

The dynamics of genetic transformations at gliadin-coding loci in the winter common wheat cultivars produced in Serbia and Italy over 40 years of scientific breeding was studied. It was demonstrated that a number of alleles unique for the wheat cultivars of each country were substituted with the alleles of a limited number of donor cultivars, in particular, cultivar Bezostaya 1 and its derivatives. On the background of preserved heterogeneity values during various time periods of breeding in each country, the genetic diversity in the total region decreased, as demonstrated by similarity in the sets of alleles of gliadin loci and their frequencies in the modern cultivars of these two Southern European countries. This decrease in the genetic diversity is an erosion of genetic resources within the region, which results in a loss of unique coadapted gene complexes.
机译：研究了塞尔维亚和意大利经过40年科学育种的冬季普通小麦品种中的麦醇溶蛋白编码基因座的遗传转化动态。已经证明，每个国家的小麦品种独特的许多等位基因被有限数量的供体品种的等位基因所取代，特别是品种Bezostaya 1及其衍生物。在每个国家不同育种时期保留异质性值的背景下，总麦醇溶蛋白基因座等位基因组的相似性及其在这两个南欧现代品种中的频率显示出总区域的遗传多样性下降国家。遗传多样性的下降是该区域内遗传资源的侵蚀，从而导致独特的共适应基因复合体的丧失。

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