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. 2013 Feb 20;8(2):e51582. doi: 10.1371/journal.pone.0051582

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© 2013 El-Adawy et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Genetic stability was tested using AluI, Sau3AI and DdeI. Lane M: 100 bp ladder (Jena Bioscience GmbH), lane 1: flaA-RFLP patterns before in vitro passage, lane 2 to lane 6: flaA-RFLP patterns after 4^th, 8^th, 12^th, 16^th and 20^th passages, respectively.