Absence of a simple code: how transcription factors read the genome.

Absence of a simple code: how transcription factors read the genome.
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DOI:
10.1016/j.tibs.2014.07.002
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发表时间:
2014-09
影响因子:
13.8
通讯作者:
Rohs, Remo
Rohs, Remo
中科院分区:
生物学1区
文献类型:
--
作者:
Slattery, Matthew;Zhou, Tianyin;Yang, Lin;Machado, Ana Carolina Dantas;Gordan, Raluca;Rohs, Remo

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转录因子通过解释基因组中的调控DNA来影响细胞的命运。转录因子以一种特定的方式识别DNA;基于蛋白质-DNA复合体的三维结构,许多转录因子的这种特异性背后的机制已经被确定。最近,许多TF的DNA结合偏好的高通量体外和体内探索的数据已经补充了结构观点。总之,这些方法极大地扩展了我们对TF-DNA相互作用的理解。然而,转录因子选择体内结合部位和改变基因表达的机制仍不清楚。最近的工作强调了影响转铁蛋白-DNA结合的许多变量,同时证明了对这些因素的生物物理理解将是理解转铁蛋白功能的核心。
Transcription factors (TFs) influence cell fate by interpreting the regulatory DNA within a genome. TFs recognize DNA in a specific manner; the mechanisms underlying this specificity have been identified for many TFs, based on three-dimensional structures of protein-DNA complexes. More recently, structural views have been complemented with data from high-throughput in vitro and in vivo explorations of the DNA binding preferences of many TFs. Together, these approaches have greatly expanded our understanding of TF-DNA interactions. However, the mechanisms by which TFs select in vivo binding sites and alter gene expression remain unclear. Recent work has highlighted the many variables that influence TF-DNA binding, while demonstrating that a biophysical understanding of these many factors will be central to understanding TF function.
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