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 The genome of amphioxus includes AmphiNk2-2, the first gene of the NK2 homeobox class to be demonstrated in any invertebrate deuterostome. AmphiNk2-2 encodes a protein with a TN domain, homeodomain,(More)
 We characterized an amphioxus NK-2 homeobox gene (AmphiNk2–1), a homologue of vertebrate Nkx2–1, which is involved in the development of the central nervous system and thyroid gland. At the early(More)