Dynamic interactions between transposable elements and their hosts.

Dynamic interactions between transposable elements and their hosts.
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DOI:
10.1038/nrg3030
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发表时间:
2011-08-18
期刊:
Nature reviews. Genetics
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其他
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转座因子(te)具有独特的迁移到新基因组位置的能力,新一代DNA测序的主要进展为te与其宿主之间的动态关系提供了见解。现在很清楚,te采用了不同的策略——比如特定的整合位点或活动模式——在充满机制的宿主环境中茁壮成长——比如小rna或表观遗传标记——以对抗它们的扩增。新出现的证据表明,TE的动员有时可能通过增强遗传多样性而有益于宿主基因组,但TE也与癌症等疾病有关。在这里,我们讨论了最近关于te如何、在何处以及何时插入不同生物体的发现。
Transposable elements (TEs) have a unique ability to mobilize to new genomic locations and the major advance of next-generation DNA sequencing has provided insights into the dynamic relationship between TEs and their hosts. It now is clear that TEs have adopted diverse strategies – such as specific integration sites or patterns of activity - to thrive in host environments that are replete with mechanisms – such as small RNAs or epigenetic marks - to combat their amplification. Emerging evidence suggests that TE mobilization might sometimes benefit host genomes by enhancing genetic diversity, but TEs are also implicated in diseases such as cancer. Here, we discuss recent findings about how, where, and when TEs insert in diverse organisms.
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