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GENETIC AND EPIGENETIC CONTROLS DURING EARLY EMBRYO DEVELOPMENT IN MAMMALS

机译:哺乳动物早期胚胎发育期间的遗传和表观遗传对照

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IntroductionEpigenetics is defined as heritable changes in gene expression without changes in DNA sequence. Normal development depends on a precise sequence of changes in the configuration of the chromatin, which are primarily related to the acetylation and methylation status of histones and the methylation of genomic DNA. During germ cell development, epigenetic reprogramming of DNA methylation resets parent-of-origin based genomic imprints and restores totipotency to gametes.
机译:导言被定义为基因表达的遗传变化而不改变DNA序列。正常发展取决于染色质的构粒的构型的精确变化序列,其主要与组蛋白的乙酰化和甲基化状态和基因组DNA的甲基化有关。在种生殖细胞开发期间,DNA甲基化的表观遗传重编程重置基于原因的基因组印记,并恢复全能发给配子。

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