Chromosome Evolution in Connection with Repetitive Sequences and Epigenetics in Plants.
Chromosome Evolution in Connection with Repetitive Sequences and Epigenetics in Plants.
复制标题
植物中与重复序列和表观遗传学相关的染色体进化
DOI:
10.3390/genes8100290
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发表时间:
2017-10-24
期刊:
影响因子:
3.5
通讯作者:
Gao WJ
中科院分区:
文献类型:
--
作者:
Li SF;Su T;Cheng GQ;Wang BX;Li X;Deng CL;Gao WJ
Chromosome evolution is a fundamental aspect of evolutionary biology. The evolution of chromosome size, structure and shape, number, and the change in DNA composition suggest the high plasticity of nuclear genomes at the chromosomal level. Repetitive DNA sequences, which represent a conspicuous fraction of every eukaryotic genome, particularly in plants, are found to be tightly linked with plant chromosome evolution. Different classes of repetitive sequences have distinct distribution patterns on the chromosomes. Mounting evidence shows that repetitive sequences may play multiple generative roles in shaping the chromosome karyotypes in plants. Furthermore, recent development in our understanding of the repetitive sequences and plant chromosome evolution has elucidated the involvement of a spectrum of epigenetic modification. In this review, we focused on the recent evidence relating to the distribution pattern of repetitive sequences in plant chromosomes and highlighted their potential relevance to chromosome evolution in plants. We also discussed the possible connections between evolution and epigenetic alterations in chromosome structure and repatterning, such as heterochromatin formation, centromere function, and epigenetic-associated transposable element inactivation.
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