Ecdysone is a[clarification needed] prohormone of the major insect molting hormone 20-hydroxyecdysone, secreted from the prothoracic glands. It is of steroidal...
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20-Hydroxyecdysone (redirect from 20-hydroxy ecdysone)
reproduction of insect pests. In arthropods, 20-hydroxyecdysone acts through the ecdysone receptor. Although mammals lack this receptor, 20-hydroxyecdysone affects...
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The ecdysone receptor is a nuclear receptor found in arthropods, where it controls development and contributes to other processes such as reproduction...
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In enzymology, an ecdysone oxidase (EC 1.1.3.16) is an enzyme that catalyzes the chemical reaction ecdysone + O2 ⇌ {\displaystyle \rightleftharpoons }...
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CoA + ecdysone palmitate Thus, the two substrates of this enzyme are palmitoyl-CoA and ecdysone, whereas its two products are CoA and ecdysone palmitate...
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: 26–28 or molts, certain hormones, like PTTH, stimulate the production of ecdysone, which initiates insect molting. The larva starts to develop into the pupa:...
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Insect growth regulator (section Ecdysone agonists)
of action): juvenile hormone analogs, chitin synthesis inhibitors, and ecdysone receptor agonists. Juvenile hormone analogs are also known as juvenile...
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cuticle – without mitosis in the epidermis – under control of the prohormone ecdysone, and internal fertilization. The group was initially contested by a significant...
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Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
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hormones, especially juvenile hormone, prothoracicotropic hormone, and ecdysone. The act of becoming a pupa is called pupation, and the act of emerging...
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act as an antifeedant and block the action of the insect molting hormone ecdysone. Azadirachtin is the most active of these growth regulators (limonoids)...
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and, to a lesser extent, reproduction; examples of ecdysteroids include ecdysone, ecdysterone, turkesterone and 2-deoxyecdysone. These compounds are synthesized...
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Ecdysone 20-monooxygenase (EC 1.14.99.22) is an enzyme that catalyzes the chemical reaction ecdysone + AH2 + O2 ⇌ {\displaystyle \rightleftharpoons } 20-hydroxyecdysone...
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the nervous system during metamorphosis. Metamorphosis is triggered by ecdysone, and during this period, extensive pruning and reorganization of the neural...
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activates prothoracic glands, which secrete a second hormone, usually ecdysone (an ecdysteroid), that induces ecdysis (shedding of the exoskeleton). PTTH...
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ecdysteroidogenic pathway (biosynthesis of ecdysone from cholesterol). Ecdysteroids such as 20-hydroxyecdysone and ecdysone influence many of the morphological...
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(ecdysis). In many species it is initiated by an increase in the hormone ecdysone. This hormone causes: apolysis – the separation of the cuticle from the...
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with periods shorter than one day. Ultraspiracle protein, a part of the ecdysone receptor Universal stress protein, a protein superfamily USp (2n), a symplectic...
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nutrient. In insects 7-dehydrocholesterol is a precursor for the hormone ecdysone, required for reaching adulthood. 7-DHC was discovered by Nobel-laureate...
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Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
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Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
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eaten by mammals or insects. Two major insect moulting hormones, alpha ecdysone and 20-hydroxyecdysone, are found in bracken. These cause uncontrollable...
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Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
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called moulting or ecdysis, which is under the control of a hormone called ecdysone. Moulting is a complex process that is invariably dangerous for the arthropod...
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Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
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circulation – double helix – Down syndrome – drupe – duodenum – dynein ecdysone – ecological niche – ecology – ecosystem – effector cell – electrochemical...
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Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
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septemvittata are especially sensitive to a chemical compound called ecdysone that is produced by crayfish during their molting cycle which help them...
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steroid and thyroid hormones. Shortly thereafter, the identification of the ecdysone receptor in Drosophila introduced the idea that nuclear receptors were...
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kill insects. BAHs act by agonising the ecdysone receptor. Crystal structures of BAHs bound to the ecdysone receptor were obtained. BAHs show low mammalian...
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