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. 2014 Dec 15;5:701. doi: 10.3389/fmicb.2014.00701

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Copyright © 2014 Derbise and Carniel.

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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(A) Electronic micrograph of YpfΦ. (B) Schematic representation of the proposed XerC-dependent phage integration into the chromosomal dif site of Yersinia pestis. (C) YpfΦ, CUS-1 and CTX-1 genomic organization.