Genetic Analysis of Artificial Triticinae Amphidiploid Aurotica Based on the Glaucousness Trait

V. V. Shpylchyn; M. Z. Antonyuk; T. K. Ternovska

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Genetic Analysis of Artificial Triticinae Amphidiploid Aurotica Based on the Glaucousness Trait

机译：基于光泽度特征的人工小麦二倍体Aurutica遗传分析

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Changes in plant genomes of hybrid origin which become apparent on different levels of pheno-typic manifestation of genetic and epigenetic changes are an important object of cytogenetics and molecular genetics. The changes in expression of the glaucousness trait in the artificial Triticinae amphidiploid Aurotica (AABBTT) were investigated; haplotypes of plants with the appearance of glaucous and non-glaucous genes were determined by hybridization experiments. It was suppoted that the changes in expression can be explained by (epi)mutations abolishing the efficiency of dominant alleles of orthologous series of glaucous inhibitor gene Iw. Analysis of F_2 population with SSR markers specific to 2B and 2D wheat chromosomes and 2T chromosome of Aegilops mutica manifested associated inheritance of the Wms 102 and Wms 702 loci, which mapped to the short arm of chromosome 2D. The Wms 702 marker was linked to the Iw2( T) gene and can now be used to detect that gene.

机译：在遗传和表观遗传变化的不同表型表现水平上变得明显的杂种起源植物基因组变化是细胞遗传学和分子遗传学的重要对象。研究了人工小麦小麦二倍体Aurotica（AABBTT）的冰度性状表达的变化。通过杂交实验确定了具有无糖和无糖基因外观的植物的单倍型。据推测，表达的改变可以通过（epi）突变来解释，该突变消除了釉质抑制剂基因Iw的直系同源序列的优势等位基因的效率。用特异于Aegilops mutica的2B和2D小麦染色体和2T染色体的SSR标记对F_2种群进行分析，表明Wms 102和Wms 702位点具有相关遗传，并映射到2D染色体的短臂。 Wms 702标记已与Iw2（T）基因链接，现在可用于检测该基因。

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来源
《Cytology and genetics》 |2014年第5期|308-317|共10页
作者
V. V. Shpylchyn; M. Z. Antonyuk; T. K. Ternovska;
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作者单位

National University of 'Kyiv-Mohyla Academy', ul. G. Skovorodi 2, Kyiv, 04655 Ukraine;

National University of 'Kyiv-Mohyla Academy', ul. G. Skovorodi 2, Kyiv, 04655 Ukraine;

National University of 'Kyiv-Mohyla Academy', ul. G. Skovorodi 2, Kyiv, 04655 Ukraine;

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正文语种 eng
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关键词
amphidiploids; genetic instability; glaucousness; microsatellite markers;

机译：二倍体;基因不稳定性;无光泽微卫星标记;

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7. Genetic analysis of artificial Triticinae amphidiploid Aurotica based on the glaucousness trait [O] . Shpylchyn V.V., Antonyuk M.Z., Ternovska T.K. 2014

机译：基于釉质性状的人工小麦二倍体Aurutica遗传分析

Genetic Analysis of Artificial Triticinae Amphidiploid Aurotica Based on the Glaucousness Trait

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