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3-Epi-20-hydroxyecdysone from meconium of the tobacco hornworm |
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| Authors: | M J Thompson J N Kaplanis W E Robbins S R Dutky H N Nigg |
| Institution: | Insect Physiology Laboratory, Plant Protection Institute, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland 20705 U.S.A. |
| Abstract: | A new ecdysteroid, 3-epi-20-hydroxyecdysone, with biological activity to that of α-ecdysone has been isolated and identified from the meconium of the tobacco hornworm. The possible role or function of this steroid as an inactivation product and/or regulator of molting hormone titer is discussed. |
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