Fig. 2 | Nature Communications

Fig. 2

From: Tbx5a lineage tracing shows cardiomyocyte plasticity during zebrafish heart regeneration

Fig. 2

Expression profile of tbx5a-positive cardiomyocytes in adult zebrafish hearts. a, b Sagittal sections through tbx5a:GFP adult uninjured heart immunostained with GFP (green) and Myosin Heavy Chain (MHC; red). Nuclei are counterstained with DAPI (blue). ce Zoomed views of boxed area in a. b, d, f Single channels for GFP. The trabecular myocardium is tbx5a:GFP+, whereas the cortical layer is tbx5a:GFP. Note tbx5a:GFP cardiomyocytes (arrowheads) in the basal part of the ventricle close to the atrioventricular canal (n = 13/13). at, atrium; cort, cortical layer; trab, trabecular layer. Scale bars, a, b 100 μm and cf 25 μm

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