How cardiac cell fates are specified during heart development remains elusive. This study identifies a level-dependent role for transcription factor HAND1 in mesoderm patterning and the specification ...

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In the measurement region, there was a gradient for CAx in the x direction (~30 nm/ 280 ... The orientation of the separation vector at each kinetochore was also calculated relative to the K-K axis.

To determine how the Nodal morphogen gradient induces distinct gene expression patterns during zebrafish embryogenesis, we measured the activation dynamics of the signal transducer Smad2 and the ...