Chordate Metamorphosis: Ancient Control by Iodothyronines


A new study shows that iodothyronines induce metamorphosis in the cephalochordate amphioxus by binding to a receptor homologous to vertebrate thyroid hormone receptors. Iodothyronine-induced metamorphosis may be an ancestral feature of the chordates. 
DOI: 10.1016/j.cub.2008.05.024

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