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. 2016 Oct 13;6:35198. doi: 10.1038/srep35198

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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The chemotactic response of Psa to various concentrations of potential chemoeffectors were measured by a quantitative capillary chemotaxis assay. The data have been normalised to a buffer only control by subtracting the average number of cells that accumulated in capillaries containing only the chemotaxis buffer. Also shown is the positive control response to casamino acids (Cas AA). The data represent the means and standard errors of the mean of three independent assays (n = 3).