Article
Origin and diversification of steroids: co-evolution of enzymes and nuclear receptors.
Molecular and cellular endocrinology - 1 Mar 2011
Baker Michael E
Abstract excerpt
Recent sequencing of amphioxus and sea urchin genomes has provided important data for understanding the origins of enzymes that synthesize adrenal and sex steroids and the receptors that mediate physiological response to these vertebrate steroids. Phylogenetic analyses reveal that CYP11A and CYP19, which are involved in the synthesis of adrenal and sex steroids, first appear in the common ancestor of amphioxus...
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