Hox genes and their relatives are involved in several developmental processes in diverse animals, but when did they first arise? The genome sequence of the sponge Amphimedon queenslandica shows ...

In vertebrates, the development of the precursor to an ... However, later in the cascades of nearly all insects and vertebrates, the Hox genes play a role in identifying each segment and defining ...

This finding proves for the first time that vertebrates have more than one type of epigenetic DNA mark and sheds new light on ...