期刊
CURRENT OPINION IN PLANT BIOLOGY
卷 48, 期 -, 页码 36-46出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2019.03.008
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In eukaryotes, genomic information is encoded in chromosomes, which occupy distinct territories within the nucleus. Inside these territories, chromosomes are folded in a hierarchical set of topological structures, called compartments, topologically associated domains and loops. Phase separation and loop extrusion are the mechanisms indicated to mediate the 3D organization of the genome, and gene activity and epigenetic marks determine the activity level of the formed chromatin domains. The main difference between plants and animals may be the absence of canonical insulator elements in plants. Comparison across plant species indicates that the identification of chromatin domains is affected by genome size, gene density, and the linear distribution of genes and transposable elements.
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