Images provided by Claire Anderson. As insufficient information was provided to verify sequence used to synthesize probe, the sequence was obtained from NCBI (accession number: XM_015281592). Related paper: Nat Commun. 2016 7:12656. doi: 10.1038/ncomms12656. A strategy to discover new organizers identifies a putative heart organizer. Anderson C, et al. PMID:27557800.