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Work in the laboratory is supported by grants from the Ministry of Science and Innovation through the Spanish State Research Agency (AEI) (MICIU RTI2018-096501-B-I00) and from Generalitat Valenciana (PROMETEOII/2017/150). M.A.N. also acknowledges the ‘Severo Ochoa’ Programme for Centres of Excellence in R&D (SEV-2017-0273) to Instituto de Neurociencias.
The authors declare no competing interests.
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Castroviejo, N., Ocaña, O.H., Rago, L. et al. Reply to: Zebrafish prrx1a mutants have normal hearts. Nature 585, E17–E19 (2020). https://doi.org/10.1038/s41586-020-2675-0