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Ordu, O. (author), Kremser, Leopold (author), Lusser, Alexandra (author), Dekker, N.H. (author)
Nucleosomes consisting of a short piece of deoxyribonucleic acid (DNA) wrapped around an octamer of histone proteins form the fundamental unit of chromatin in eukaryotes. Their role in DNA compaction comes with regulatory functions that impact essential genomic processes such as replication, transcription, and repair. The assembly of...
journal article 2018
document
Ordu, O. (author), Lusser, A (author), Dekker, N.H. (author)
Eukaryotic DNA is tightly packed into a hierarchically ordered structure called chromatin in order to fit into the micron-scaled nucleus. The basic unit of chromatin is the nucleosome, which consists of a short piece of DNA wrapped around a core of eight histone proteins. In addition to their role in packaging DNA, nucleosomes impact the...
journal article 2016
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Vlijm, R. (author), Lee, M. (author), Ordu, O. (author), Boltengagen, A. (author), Lusser, A. (author), Dekker, N.H. (author), Dekker, C. (author)
Eukaryotic nucleosomes consists of an (H3-H4)2 tetramer and two H2A-H2B dimers, around which 147 bp of DNA are wrapped in 1.7 left-handed helical turns. During chromatin assembly, the (H3-H4)2 tetramer binds first, forming a tetrasome that likely constitutes an important intermediate during ongoing transcription. We recently showed that (H3-H4)2...
journal article 2015
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Vlijm, R. (author), Lee, M. (author), Lipfert, J. (author), Lusser, A. (author), Dekker, C. (author), Dekker, N.H. (author)
DNA wrapping around histone octamers generates nucleosomes, the basic compaction unit of eukaryotic chromatin. Nucleosome stability is carefully tuned to maintain DNA accessibility in transcription, replication, and repair. Using freely orbiting magnetic tweezers, which measure the twist and length of single DNA molecules, we monitor the real...
journal article 2015
document
Vlijm, R. (author), Smitshuijzen, J.S.J. (author), Lusser, A. (author), Dekker, C. (author)
While many proteins are involved in the assembly and (re)positioning of nucleosomes, the dynamics of protein-assisted nucleosome formation are not well understood. We study NAP1 (nucleosome assembly protein 1) assisted nucleosome formation at the single-molecule level using magnetic tweezers. This method allows to apply a well-defined stretching...
journal article 2012
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