RecA Current Biology Volume 17, Issue 11, Pages R395-R397 (June 2007)

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RecA Current Biology Volume 17, Issue 11, Pages R395-R397 (June 2007) Roberto Galletto, Stephen C. Kowalczykowski  Current Biology  Volume 17, Issue 11, Pages R395-R397 (June 2007) DOI: 10.1016/j.cub.2007.03.009 Copyright © 2007 Elsevier Ltd Terms and Conditions

Figure 1 Assembly and disassembly of a RecA nucleoprotein filament formed on an individual double-stranded DNA molecule. The collage shows the major steps in the entire cycle of RecA nucleoprotein filament assembly and disassembly as visualized by single-molecule detection. The DNA, which is invisible in these images, is bound to a polystyrene bead (leftmost ‘spot’). The RecA is fluorescently labeled, permitting visualization of the DNA-bound protein. From top to bottom and left to right, snapshots of RecA assembly from multiple nuclei to generate complete filaments (left-most two columns), followed by images of disassembly promoted by ATP hydrolysis (right-most two columns). Current Biology 2007 17, R395-R397DOI: (10.1016/j.cub.2007.03.009) Copyright © 2007 Elsevier Ltd Terms and Conditions