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. 2017 Apr 4;7:109. doi: 10.3389/fcimb.2017.00109

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Copyright © 2017 Xu, Bai, Jin, Hu, Wang, Sun, Fan, Fu and Xiong.

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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Phylogenetic relationships and virulence profiles of the 79 STs among the 228 aEPEC isolates. An unrooted phylogenetic tree was constructed by the neighbor-joining algorithm based on the Maximum Composite Likelihood model of nucleotide substitution. Bootstrap values greater than 90% based on 1000 replications are given at the internal nodes. STs highlighted in gray were the most prominent STs containing aEPEC isolates and harbored genes located on OI-122 (nleB, nleE, set/ent, or efa1 (lifA)) and lpfA.