Table S3. Primers used in this study Primer F/R 369 354 373 372 350 353 376 352 391 392 410 411 408 409 404 407 420 421 416 417 64 206 207 MmPitx2cF MmPitx2cR MmFoxj1F MmFoxj1R MmMyf5F MmMyf5R MmPax3F MmPax3R MmMyogF MmMyogR MmGapdhF MmGapdhR MmGusbF MmGusbR F R F F F R F R F R F R F R F R F R F R F R R F R F R F R F R F R F R F R Target Pitx2c Pitx2 Pitx2b Pitx2a Pitx2 Pitx2 Pitx2c Pitx2 Pitx2c Pitx2c Myf5 Myf5 Myf5 Myf5 Myog Myog Foxj1 Foxj1 Pax3 Pax3 Rl19 Rpl19 Rpl19 pitx2c pitx2c Foxj1 Foxj1 Myf5 Myf5 Pax3 Pax3 Myog Myog Gapdh Gapdh Gusb Gusb Species Sequence (5´-3´) P P P P P P P P H H P P H H P/H P/H P P P P P/H P H M M M M M M M M M M M M M M tgaaaggcccgctgcacttg gaggagttggcggtgcgtaag gcagccagcagcaagctcttc cggcgtgtgtgcaattagagaaagac catgtccacgcgtgaagaaatc tgcggcccaaagccattcttg gcacaccatctctgacacctccag tttggcccggcgattcttgaac gcacaccatctccgacacctccag tgccgcttcttcttagacgggtcctc cagcagttttgacagtatctactgtcc atccgatccactatgctggataagc gcagtacttttgacagcatctactgtcct actatgttggataagcaatccaagctgg cacagcgcctcctgcagtc catggtttcatctgggaaggccacag cagcaaggccaccaagatcac agcacttgttcagagacaggttgtg accttcacagcagagcagcttg atggttgaaagccatcagttgattgg ctgctcagaagataccgtgaat gcttgtggatgtgctccatga gcttgtggatgtgttccatga cctcacccttctgtcaccat gcccacatcctcattctttc acacgtgaagccaccctact tgttcaaggacaggttgtgg tgagggaacaggtggagaac agctggacacggagctttta gccaatcaactgatggcttt gtacagtgctcggaggaagc ctacaggccttgctcagctc acgatggacgtaagggagtg ggcattgctctcaatgacaa ggcattgctctcaatgacaa acgcatcagaagccgattat actctcagcggtgactggtt Product length Application 369-354: 825 bp (Pitx2c) 373-354: 670 bp (Pitx2b) 372-354: 642 bp (Pitx2a) RT-PCR RT-PCR RT-PCR 350-353: 144 bp (Pitx2) qPCR 376-352: 271 bp (Pitx2c) qPCR 391-392: 108 bp qPCR 410-411: 105 bp qPCR 408-409: 97 bp qPCR 404-407: 174 bp qPCR 420-421:128 bp qPCR 416-417:192 bp qPCR 64-206:121 bp 64-207:121 bp qPCR qPCR 179 bp qPCR 176 bp qPCR 198 bp qPCR 181 bp qPCR 221 bp qPCR 200 bp qPCR 212 bp qPCR F/R – forward/reverse primers; P – pig; H – human: M – mouse.