Molecular cloning, characterization and expression profiles of three estrogen receptors in protogynous hermaphroditic orange-spotted grouper (Epinephelus coioides)

► Cloning of three orange-spotted grouper estrogen receptors (gERs) cDNA. ► Phylogenetic analysis of estrogen receptors in teleostes. ► Tissue expression studies of gERs. ► Expression profiles of gERs during ovarian development. ► Expression profiles of gERs during sex reversal.