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Fig. 1 Cardia bifida is evident in GATA4, 5 and 6 morphants, but cardiac gene expression is only affected in GATA6 depleted Xenopus embryos. (A) Cardiac tissue stained for MLC fails to migrate to the midline in embryos injected singly with GATA4, 5 or 6 morpholinos. (B, C) Expression levels of MLC, Nkx2.5, Tbx5 and CA remain unchanged in GATA4 and 5 morphants compared with control uninjected embryos at stage 28. (D) Expression levels of MLC, Nkx2.5, Tbx5 and CA are substantially decreased in GATA6 morphants at stage 28.
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Reprinted from Developmental Biology, 311(2), Peterkin, T., Gibson, A., and Patient, R., Redundancy and evolution of GATA factor requirements in development of the myocardium, 623-635, Copyright (2007) with permission from Elsevier. Full text @ Dev. Biol.