Originally, ChIP-seq was developed to identify in vivo protein-DNA interactions [64].
It has been extensively used to study a wide diversity of biological processes and, in more-recent year, a wealth of variations on this technique has been developed.One such variations, ‘ChIP-exo’, localizes protein-DNA interactions at single-nucleo-tide resolution. In this approach, immunoprecipitated protein-DNA complexes are treated with 5-3 exonuclease, leaving a homogeneous 5 border at a fixed distance of the bound protein. This allowed the determination of the precise locations of transcription pre-initiation complexes (PIC) across the yeast genome [65]
Originally, ChIP-seq was developed to identify in vivo protein-DNA interactions [64]. It has been extensively used to study a wide diversity of biological processes and, in more-recent year, a wealth of variations on this technique has been developed.One such variations, ‘ChIP-exo’, localizes protein-DNA interactions at single-nucleo-tide resolution. In this approach, immunoprecipitated protein-DNA complexes are treated with 5-3 exonuclease, leaving a homogeneous 5 border at a fixed distance of the bound protein. This allowed the determination of the precise locations of transcription pre-initiation complexes (PIC) across the yeast genome [65]
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