Fast and parallel nanoscale three-dimensional tracking of heterogeneous mammalian chromatin dynamics

Author:

Gustavsson Anna-Karin12345,Ghosh Rajarshi P.67,Petrov Petar N.18,Liphardt Jan T.6,Moerner W. E.1

Affiliation:

1. Department of Chemistry, Stanford University, Stanford, CA 94305

2. Department of Chemistry, Rice University, Houston, TX 77005

3. Department of Biosciences, Rice University, Houston, TX 77005

4. Smalley–Curl Institute, Rice University, Houston, TX 77005

5. Institute of Biosciences and Bioengineering, Rice University, Houston, TX 77005

6. Bioengineering, Stanford University, Stanford, CA 94305

7. Howard Hughes Medical Institute, University of California, Berkeley, Berkeley, CA 94720

8. Department of Physics, University of California, Berkeley, Berkeley, CA 94720

Abstract

A method is presented for fast and parallel 3D tracking of multiple chromosomal loci of choice over many thousands of frames. The combination of nanobody arrays, engineered point spread functions, and light sheet illumination results in gentle live-cell 3D tracking with excellent spatiotemporal resolution throughout the mammalian cell nucleus.

Publisher

American Society for Cell Biology (ASCB)

Subject

Cell Biology,Molecular Biology

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