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. 2014 May 8;10(5):e1003602. doi: 10.1371/journal.pcbi.1003602

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© 2014 Rothschild et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(a) fliY promoter activity dynamics in 15 different measured conditions (15 combinations of conditions A,B,C,D). (b) First two principal components dynamics of fliY, according to principal component analysis of fliY dynamics in all conditions and combinations. (c) Fraction of variance explained by the first two principal components for all 94 promoters in 15 environments. Red arrows: fliY and rrnB with 91% and 99% explained variance. (d) rrnB promoter activity dynamics in 15 different measured conditions (e) The first PC of rrnB according to principal component analysis of rrnB expression dynamics in all conditions and combinations. (f) Fraction of variance explained by only the first principal components for all 94 promoters in 15 environments. Red arrows fliY and rrnB with 53% and 98% explained variance.