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. 2017 Apr 25;7(6):1969–1977. doi: 10.1534/g3.117.040782

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Copyright © 2017 Milbredt and Waldminghaus

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Specific binding to a hybrid FROS array. Fluorescence microscopy images of cells without (A, strain SM69) and with (B, strain SM77) OL1/UAS hybrid FROS array expressing a fusion of the λcI repressor to full-length mVenus. Left panel presents cartoons illustrating fluorescent fusion proteins in respective E. coli strains. Fluorescence microscopy images show the mVenus channel (middle panel) or merges of mVenus and phase-contrast channel (right panel). Exposure time was set to 100 msec. Bar, 2 µm.