Table S1.

Morpholinos were obtained from Gene Tools

Morpholino	Sequence	Source
ctrl-mo	5′-CCTCTTACCTCAGTTACAATTTATA-3′	GeneTools
mid1-mo1	5′-TCAGTTCAGACTCCAGTGTTTCCAT-3′	(32)
mid1-mo2	5′-TTCCATCTTCAGGCAAAGCTTTCCT-3′	This work
pax2-mo	5′-TGCAGTGCATATCCATGGGGAGGCA-3′	(53)
pax6-mo	5′-CCAACATCTGCTGATCAACGCCTAG-3′	(54)