Fig. 1. Characterization of zebrafish Ednras. (A) Alignment of
zebrafish Ednras with Ednrb1. (B) The Ednr receptor family in
vertebrates. (C) Splicing defects in Ednra morphants. PCR products of
1700 bp are seen in wild types (lane 1 ednra1, lane 3
ednra2), whereas morphants have one smaller product of 900 bp (lane
2, ednra1 MO) and 1500 bp (lane 4, ednra2 MO).