title: Building a sea urchin on shifting sands.
authors.affiliation: Public Library of Science, Cambridge, United Kingdom.
authors.forename: Roland G
authors.initials: RG
authors.lastname: Roberts
mesh_terms: D000818:Animals; D005075:Biological Evolution; D018507:Gene Expression Regulation, Developmental; D053263:Gene Regulatory Networks; D047270:Strongylocentrotus purpuratus / Q000235:genetics*