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Fig. 8
Popdc2 morphants display cardiac conduction defects. (A) Luminance periodogram of hearts injected with control morpholino (CTR), or MO1-popdc2 morpholino at 5 dpf. Black bars indicate 3:1 and light gray bars 2:1 atrio/ventricular rhythm. (B) Beating frequencies of popdc2 morphants and control animals. The number of animals that were analyzed at each time point is given at the base of each column. The difference in beating frequency of control and popdc2 morphants reached statistical significance (p ≤ 0.05) at 5 dpf and 7 dpf.
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Reprinted from Developmental Biology, 363(2), Kirchmaier, B.C., Poon, K.L., Schwerte, T., Huisken, J., Winkler, C., Jungblut, B., Stainier, D.Y., and Brand, T., The Popeye domain containing 2 (popdc2) gene in zebrafish is required for heart and skeletal muscle development, 438-450, Copyright (2012) with permission from Elsevier. Full text @ Dev. Biol.