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. 2012 Aug 13;7(8):e42880. doi: 10.1371/journal.pone.0042880

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© 2012 Comar 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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Alignment of JCV VP1 coding sequences, nt 1784–1908, of JCV 1B and 2B subtypes detected in semen and urine samples from fertile (F) and infertile (I) subjects, respectively, compared to JCV type 1 (upper line). Panel B. Amino acid substitutions in the VP1 region of JCV subtypes from semen and urine samples from fertile (F) and infertile (I) subjects, respectively, compared to amino acid sequence of JCV type 1 (upper line).