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. 2017 Nov 1;7:14790. doi: 10.1038/s41598-017-13897-w

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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The effect of K524 and K549 on AcsA enzyme activity and growth. (A) Activities of AcsA and its mutants (AcsA^K524Q, AcsA^K524A, and AcsA^K524R). (B) The growth curves of the S. enterica Δacs strains complemented with BsacsA ^WT or mutant genes in acetate minimal medium (10 mM acetate as sole carbon source). Expression of acs gene was induced by addition of L-(+)-arabinose (250 µM). Cell density measurements at 600 nm were acquired. Graphed points represent the mean of three independent measurements.