David Q Matus, Kevin Pang, Heather Marlow, Casey W Dunn, Gerald H Thomsen, Mark Q Martindale

2006/7/25

Proceedings of the National Academy of Sciences

103

30

11195-11200

National Acad Sciences

Abstract Nearly all metazoans show signs of bilaterality, yet it is believed the bilaterians
arose from radially symmetric forms hundreds of millions of years ago. Cnidarians (corals,
sea anemones, and “jellyfish”) diverged from other animals before the radiation of the
Bilateria. They are diploblastic and are often characterized as being radially symmetrical
around their longitudinal (oral–aboral) axis. We have studied the deployment of orthologs of
a number of family members of developmental regulatory genes that are expressed ...