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. 2015 Jan 23;6:12. doi: 10.3389/fmicb.2015.00012

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Copyright © 2015 McWhorter and Chousalkar.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The invasive potential of Salmonella strains was characterized using polarized Caco2 cells. Data are represented as percent invasion. (A) Invasion potential of bacteria suspended in normal saline. S. Typhimurium DT170=108 suspended in normal saline was significantly more invasive than all other strains (p < 0.05). (B) Growth to stationary phage in LB substantially increased the invasive capacity of most strains. A significant effect of serovar was detected for bacteria cultured in LB (p < 0.01). S. Typhimurium DT44, DT135, DT170=108 and S. Virchow exhibited the highest mean percent invasion.