| 小麦异源多倍体中亲本基因组相互作用产生快速基因组变异的ISSR标记分析 |
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| 引用本文： | 邱天,庞劲松.小麦异源多倍体中亲本基因组相互作用产生快速基因组变异的ISSR标记分析[J].东北师大学报(自然科学版),2011,43(2):124-128. |
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| 作者姓名： | 邱天 庞劲松 |
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| 作者单位： | 长春师范学院生命科学学院;东北师范大学植被生态科学教育部重点实验室;东北师范大学分子表观遗传学教育部重点实验室; |
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| 基金项目： | 国家杰出青年基金资助项目(30225003) |
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| 摘 要： | 通过ISSR标记分析,研究了异源多倍体基因组的进化现象.结果表明,基因组组成和普通小麦相同的人工合成异源六倍体小麦,在形成早期发生了迅速、广泛、以非随机性为主的基因组变化,包括遗传变异--主要表现为序列变异和表观遗传变异--主要表现为DNA甲基化变异.而且异源六倍体小麦中来自父本的基因组比来自母本的基因组发生了更多的遗...
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| 关 键 词： | 异源多倍体 人工合成六倍体小麦 基因组变化 进化 |
Rapid genomic changes induced by intergenomic interactions in allopolyploid wheat revealed by ISSR |
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| QIU Tian,PANG Jin-song.Rapid genomic changes induced by intergenomic interactions in allopolyploid wheat revealed by ISSR[J].Journal of Northeast Normal University (Natural Science Edition),2011,43(2):124-128. |
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| Authors: | QIU Tian PANG Jin-song |
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| Institution: | QIU Tian1,2,PANG Jin-song3(1.School of Life Sciences,Changchun Normal College,Changchun 130032,China,2.Key Laboratory of Vegetation Ecology of MOE,Northeast Normal University,Changchun 130024,3.Key Laboratory of Molecular Epigenetics of MOE and Institute of Genetics & Cytology,China) |
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| Abstract: | By using ISSR technology,it was found that rapid,extensive and mainly non-random genomic changes,including genetic and epigenetic changes,i.e.DNA methylation changes,occurred in the early generation of synthetic allohexaploid wheat whose genomic constitution is identical to that of natural common wheat.The paternally donated nuclear genome showed more changes than maternally donated one.Intergenomic interactions in allopolyploid probably lead to these genomic variations.The changes could not only lead to di... |
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| Keywords: | allopolyploid synthetic allohexaploid wheat genomic changes evolution |
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