Extended Data Fig. 1: Expression of sympathoadrenal genes at early embryonic stages.
From: Neural crest origin of sympathetic neurons at the dawn of vertebrates
(a-c) HCR detection of Phox2 (teal), Hand (red), and Ascl1 (white) in lamprey at T25. (d) The three transcripts are not co-expressed. Scale bar = 50 μm. n = 6 embryos across three independent replicates.
