Infections were continued for an additional BGB324 cell line 6 h and monolayers were fixed for ~18-24 h with 10% formalin prior to antibody staining. Cells were IF stained and confocal images were acquired as described above. The MNGC HCI analysis procedure was used to calculate the number of nuclei and the percentage of MNGC. The Z-score for these two cellular attributes was calculated as: Where: Z-Scoreij = Z-Score for well in Row “i” and Column “j”, % Sampleij = Cellular attribute value for well in Row “i” and Column “j”, μN = Mean of the Cellular attribute for the negative controls on the plate, and σS = Standard Deviation of Cellular attribute for the negative

controls on the plate. Compounds that had both Number of Nuclei Z-Scoreij > -3 (Cytotoxicity filter) and % MNGC Z-Scoreij > 3

(Activity filter) were considered as active compounds. Acknowledgements We would like to thank Paul Brett and Mary Burtnick for providing pMoΔbsaZ and Samuel Dickson for help with statistical analysis. This project was funded by the Department of Defense Chemical Biological Defense Program through the Defense Threat Reduction Agency (DTRA) JSTO-CBS.MEDBIO.02.10.RD.010 (to RGP). We would like to thank Oak Ridge Institute for Science and Engineering for participating in the Postgraduate Research Program at the U.S. Army Medical Research and Materiel Command. Opinions, interpretations, conclusions, and recommendations are those of selleck chemicals the authors and are not necessarily endorsed by the U.S. Army, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government. References 1. Galyov EE, Brett PJ, DeShazer D: Molecular insights into Burkholderia pseudomallei

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