The follicle cell epithelium of maturing ovaries of Locusta migratoria: a new biosynthetic tissue for ecdysone.
Follicle cells of maturing ovaries of Locusta migratoria are demonstrated to synthesize the moulting hormone ecdysone (2beta,3beta,14alpha,22R,25-pentahydroxy-5beta-cholest-7-en-6-one). Studies of secretory kinetics under in vitro conditions show that the intensity of hormone secretion is strictly dependent on the stage of maturation of the excised ovaries.
D000818:Animals; D004440:Ecdysone / Q000096:biosynthesis*; D004848:Epithelium / Q000378:metabolism; D005260:Female; D006110:Grasshoppers / Q000378:metabolism*; D007700:Kinetics; D009865:Oocytes / Q000502:physiology; D006080:Ovarian Follicle / Q000378:metabolism*; D010053:Ovary / Q000502:physiology; D012741:Sexual Maturation
D004440:Ecdysone