Drosophila cardiac tube organogenesis requires multiple phases of Hox activity.

Abstract excerpt

The segmented Drosophila linear cardiac tube originates from two cell lineages that give rise to the anterior aorta (AA) and the posterior cardiac tube. The three Hox genes of the Bithorax Complex as well as Antennapedia (Antp) have been shown to be expressed in the posterior cardiac tube, while no Hox gene is expressed in the anterior aorta. We show that the cells of the whole tube adopt the anterior aorta...

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