Author response image 1. Single-plane images of Tg(kdrl:nls-mCherry)snai1b+/+ (A) and snai1b-/- (B) valve leaflets at 72 hpf.
(snai1b+/+, n=9; snai1b-/-, n=11). Scale bars: 20 µm. n, number of embryos.
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