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2014 ; 20
(ä): 2-13
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Single molecule techniques in DNA repair: a primer
#MMPMID24819596
Hughes CD
; Simons M
; Mackenzie CE
; Van Houten B
; Kad NM
DNA Repair (Amst)
2014[Aug]; 20
(ä): 2-13
PMID24819596
show ga
A powerful new approach has become much more widespread and offers insights into
aspects of DNA repair unattainable with billions of molecules. Single molecule
techniques can be used to image, manipulate or characterize the action of a
single repair protein on a single strand of DNA. This allows search mechanisms to
be probed, and the effects of force to be understood. These physical aspects can
dominate a biochemical reaction, where at the ensemble level their nuances are
obscured. In this paper we discuss some of the many technical advances that
permit study at the single molecule level. We focus on DNA repair to which these
techniques are actively being applied. DNA repair is also a process that
encompasses so much of what single molecule studies benefit--searching for
targets, complex formation, sequential biochemical reactions and substrate
hand-off to name just a few. We discuss how single molecule biophysics is poised
to transform our understanding of biological systems, in particular DNA repair.
|*DNA Repair
[MESH]
|*Optical Tweezers
[MESH]
|Animals
[MESH]
|Fluorescence Resonance Energy Transfer/*methods
[MESH]