Insect ecdysteroids biosynthesis and its regulation by neuropeptides
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Key Words：ecdysteroids, biosynthesis, neuropeptides
Abstract： Molting hormone, the general name for steroid substance found in arthropods. In insect, ecdysteroids are synthesized in the endocrine organprothoracic glands, and trigger major development transition such as the periodical larval molting as well as the metamorphsis. Resent works in Drosophila melanogaster identify some of the important players in “black box”. The identification of PTTH receptor will help us understand the regulation of ecdysteroids biosynthesis by PTTH signaling pathway.