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. 2017 Jun 8;8:1027. doi: 10.3389/fmicb.2017.01027

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Copyright © 2017 Hassan, Maldonado, dos Santos, Di Lorenzo, Silipo, Coutinho, Cooper, Molinaro, Valvano and Sá-Correia.

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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Electrophoretic profile of the LPS extracted from 11 clonal Burkholderia cenocepacia (recA lineage IIIA) isolates retrieved from a chronically infected CF patient (in chrononological order). LPS loading was standardized based on culture optical density. Samples were run in 14% polyacrylamide gels (at 150 V for about 1 h 40 m) in a Tricine-SDS system and developed by silver staining. The band that appears present in all the gels in the zone of the O-antigen (OAg) repeating units corresponds to residual proteinase K.