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. 2020 Oct 16;2020:8840561. doi: 10.1155/2020/8840561

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Copyright © 2020 Dhifar Raa'd Al-Guranie and Sareaa Maseer Al-Mayahie.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Agarose gel (2%) electrophoresis (1 volt/5 cm) of ethidium bromide-stained products (genes: Arp, chuA, YiaA, and TspE4C2, respectively) of quadruplex PCR profiles of representative E. coli isolates. Lane m: DNA ladder (100 bp); lanes 1 and 2: group A (+ − − −); lanes 3 and 11: group B1 (+ − − +); lane 4: group A (+ − + −); lane 5: group C (+ − + −); lane 6: group D (+ + − −); lane 7: group F (− + − −); lanes 8 and 9: group B2 (− + + +); lane 10: group B2 (− + + −); and lane 12: group C (+ − + −).