Maria Gridina
Artem Shadskiy
Andrey Popov
Nikita Torgunakov
Andrey Kechin
Evgeny Khrapov
Ryzhkova Oxana
Maxim Filipenko
Expanding the list of sequence-agnostic enzymes for chromatin conformation capture assays with S1 nuclease
Аннотация
This study presents a novel approach for mapping global chromatin interactions using S1 nuclease, a sequence-agnostic enzyme. We develop and outline a protocol that leverages S1 nuclease's ability to effectively introduce breaks into both open and closed chromatin regions, allowing for comprehensive profiling of chromatin properties. Our S1 Hi–C method enables the preparation of high-quality Hi–C libraries, marking a significant advancement over previously established DNase I Hi–C protocols. Moreover, S1 nuclease's capability to fragment chromatin to mono-nucleosomes suggests the potential for mapping the three-dimensional organization of the genome at high resolution. This methodology holds promise for an improved understanding of chromatin state-dependent activities and may facilitate the development of new genomic methods.
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