三维染色质折叠的进化。

IF 8.7 1区 农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE
Lucía Álvarez-González, Aurora Ruiz-Herrera
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引用次数: 0

摘要

对基因组进化的研究主要集中在序列保护方面。然而,细胞的内部运作意味着复杂的基因网络之间存在紧密调节的串扰,而这些串扰是由物理上相互接触的 DNA 区域中分散的小调控元件控制的。这些不同层次的染色质组织如何在不同物种中相互影响,是基因组进化可塑性潜力的基础。我们回顾了整个动物生命树中染色质组织的进化。我们介绍了基因组进化模式和节奏的一般方面,随后探讨了基因组组织的多个层次。我们认为,基因组和染色体的大小都会调节染色质的折叠模式,染色质的相互作用会促进特定世系染色体重组的形成,尤其是在生殖细胞中。总之,分析种系染色质结构和功能的维持所涉及的机理力量对于理解基因组进化、维持和遗传至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evolution of 3D Chromatin Folding.

Studies examining the evolution of genomes have focused mainly on sequence conservation. However, the inner working of a cell implies tightly regulated crosstalk between complex gene networks controlled by small dispersed regulatory elements of physically contacting DNA regions. How these different levels of chromatin organization crosstalk in different species underpins the potential for genome evolutionary plasticity. We review the evolution of chromatin organization across the Animal Tree of Life. We introduce general aspects of the mode and tempo of genome evolution to later explore the multiple layers of genome organization. We argue that both genome and chromosome size modulate patterns of chromatin folding and that chromatin interactions facilitate the formation of lineage-specific chromosomal reorganizations, especially in germ cells. Overall, analyzing the mechanistic forces involved in the maintenance of chromatin structure and function of the germ line is critical for understanding genome evolution, maintenance, and inheritance.

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来源期刊
Annual Review of Animal Biosciences
Annual Review of Animal Biosciences BIOTECHNOLOGY & APPLIED MICROBIOLOGY-ZOOLOGY
CiteScore
21.30
自引率
0.80%
发文量
31
期刊介绍: The Annual Review of Animal Biosciences is primarily dedicated to the fields of biotechnology, genetics, genomics, and breeding, with a special focus on veterinary medicine. This includes veterinary pathobiology, infectious diseases and vaccine development, and conservation and zoo biology. The publication aims to address the needs of scientists studying both wild and domesticated animal species, veterinarians, conservation biologists, and geneticists.
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