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Homologous recombination: ends as the means

机译:同源重组:以手段为终点

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摘要

Broken chromosomal ends in somatic cells of higher plants frequently heal by the ligation of DNA ends to unrelated sequences or to sequences with micro-homologies. This pathway of DNA-strand-break repair is the bane of gene-targeting attempts in plants. However, there is a second somatic pathway of chromosome repair, which is driven by DNA-sequence homology. Observations from yeast, fly and plants of homologous-recombination mechanisms point towards new strategies of gene targeting in plants.
机译:在高等植物的体细胞中,断裂的染色体末端经常通过DNA末端与无关序列或具有微观同源性的序列的连接而治愈。 DNA链断裂修复的这种途径是植物中基因靶向尝试的祸根。但是,还有第二条染色体修复的体细胞途径,这是由DNA序列同源性驱动的。来自酵母,果蝇和植物的同源重组机制的观察指向了植物中基因靶向的新策略。

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