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. 2012 Mar 21;7(3):e32923. doi: 10.1371/journal.pone.0032923

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Yegorov, Good.

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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Reconstruction performed as outlined in methods with G = 0.91 and I = n/a. Numbers at each node indicate the bootstrap values (only values exceeding 50% shown). Teleost rxfp3-2 underwent duplication yielding two 3R-paralogs, rxfp3-2a and rxfp3-2b, while teleostean ancestral rxfp3-3 was duplicated giving rise to typically three rxfp3-3 loci in modern teleosts: 3R generated rxfp3-3a and rxfp3-3b, while a local duplication generated rxfp3-3a1 and rxfp3-3a2. Solely in zebrafish, rxfp3-3a2 duplicated again giving rise to rxfp3-3a3, an event which appears to have occurred coincidently with the exclusive loss of rxfp4 in zebrafish.