| Chapter title |
Chromosome Architecture
|
|---|---|
| Chapter number | 17 |
| Book title |
Chromosome Architecture
|
| Published in |
Methods in molecular biology, January 2016
|
| DOI | 10.1007/978-1-4939-3631-1_17 |
| Pubmed ID | |
| Book ISBNs |
978-1-4939-3629-8, 978-1-4939-3631-1
|
| Authors |
Basu, Srinjan, Tan, Yi Lei, Taylor, Edward J R, Laue, Ernest D, Lee, Steven F, Srinjan Basu, Yi Lei Tan, Edward J. R. Taylor, Ernest D. Laue, Steven F. Lee, Taylor, Edward J. R., Laue, Ernest D., Lee, Steven F. |
| Editors |
Mark C. Leake |
| Abstract |
Single-molecule localisation microscopy (SMLM) allows the super-resolved imaging of proteins within mammalian nuclei at spatial resolutions comparable to that of a nucleosome itself (~20 nm). The technique is therefore well suited to the study of chromatin structure. Fixed-cell SMLM has already allowed temporal 'snapshots' of how proteins are arranged on chromatin within mammalian nuclei. In this chapter, we focus on how recent developments, for example in selective plane illumination and protein labelling, have led to a range of live-cell SMLM studies. We describe how to carry out single-particle tracking (SPT) of single proteins and, by analysing their diffusion parameters, how to determine whether proteins interact with chromatin, diffuse freely or do both. We can study the numbers of proteins that interact with chromatin and also determine their residence time on chromatin. We can determine whether these proteins form functional clusters within the nucleus as well as whether they form specific nuclear structures. |
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