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. 2015 Sep 18;14:148. doi: 10.1186/s12934-015-0334-1

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© Negrete and Shiloach. 2015

Open AccessThis article is 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 you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Cell growth parameters of E. coli MG1655 parental and GadY strains growing in bioreactor at pH 6.0. At OD 2.0 the pH was decreased from 7.0 to 6.0 by the addition of a acetic acid or b phosphoric acid. Filled square OD₆₀₀, filled triangle glucose (g/L), and filled circle pH