• Thumbnail for Ecdysone
    Ecdysone is a[clarification needed] prohormone of the major insect molting hormone 20-hydroxyecdysone, secreted from the prothoracic glands. It is of steroidal...
    6 KB (454 words) - 17:23, 23 August 2024
  • Thumbnail for 20-Hydroxyecdysone
    reproduction of insect pests. In arthropods, 20-hydroxyecdysone acts through the ecdysone receptor. Although mammals lack this receptor, 20-hydroxyecdysone affects...
    13 KB (1,152 words) - 10:34, 24 September 2024
  • Thumbnail for Ecdysone receptor
    The ecdysone receptor is a nuclear receptor found in arthropods, where it controls development and contributes to other processes such as reproduction...
    11 KB (1,042 words) - 15:10, 12 January 2024
  • In enzymology, an ecdysone oxidase (EC 1.1.3.16) is an enzyme that catalyzes the chemical reaction ecdysone + O2 ⇌ {\displaystyle \rightleftharpoons }...
    1 KB (131 words) - 13:56, 26 August 2023
  • CoA + ecdysone palmitate Thus, the two substrates of this enzyme are palmitoyl-CoA and ecdysone, whereas its two products are CoA and ecdysone palmitate...
    1 KB (128 words) - 13:56, 26 August 2023
  • Thumbnail for Lepidoptera
    : 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:...
    155 KB (16,840 words) - 22:01, 16 October 2024
  • of action): juvenile hormone analogs, chitin synthesis inhibitors, and ecdysone receptor agonists. Juvenile hormone analogs are also known as juvenile...
    11 KB (1,218 words) - 12:26, 25 July 2024
  • Thumbnail for Ecdysozoa
    cuticle – without mitosis in the epidermis – under control of the prohormone ecdysone, and internal fertilization. The group was initially contested by a significant...
    25 KB (2,166 words) - 17:09, 19 September 2024
  • Thumbnail for Limonene
    Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
    19 KB (1,534 words) - 16:11, 26 August 2024
  • Thumbnail for Pupa
    hormones, especially juvenile hormone, prothoracicotropic hormone, and ecdysone. The act of becoming a pupa is called pupation, and the act of emerging...
    19 KB (2,113 words) - 19:05, 30 September 2024
  • Thumbnail for Neem oil
    act as an antifeedant and block the action of the insect molting hormone ecdysone. Azadirachtin is the most active of these growth regulators (limonoids)...
    6 KB (622 words) - 20:37, 5 September 2024
  • Thumbnail for Ecdysteroid
    and, to a lesser extent, reproduction; examples of ecdysteroids include ecdysone, ecdysterone, turkesterone and 2-deoxyecdysone. These compounds are synthesized...
    5 KB (489 words) - 20:12, 9 October 2024
  • Ecdysone 20-monooxygenase (EC 1.14.99.22) is an enzyme that catalyzes the chemical reaction ecdysone + AH2 + O2 ⇌ {\displaystyle \rightleftharpoons } 20-hydroxyecdysone...
    3 KB (327 words) - 13:56, 26 August 2023
  • Thumbnail for Synaptic pruning
    the nervous system during metamorphosis. Metamorphosis is triggered by ecdysone, and during this period, extensive pruning and reorganization of the neural...
    23 KB (2,972 words) - 02:10, 7 June 2024
  • Thumbnail for Metamorphosis
    activates prothoracic glands, which secrete a second hormone, usually ecdysone (an ecdysteroid), that induces ecdysis (shedding of the exoskeleton). PTTH...
    23 KB (2,677 words) - 13:46, 3 July 2024
  • Thumbnail for Halloween genes
    ecdysteroidogenic pathway (biosynthesis of ecdysone from cholesterol). Ecdysteroids such as 20-hydroxyecdysone and ecdysone influence many of the morphological...
    9 KB (1,017 words) - 01:23, 20 August 2024
  • Thumbnail for Ecdysis
    (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...
    11 KB (1,301 words) - 23:15, 18 May 2024
  • with periods shorter than one day. Ultraspiracle protein, a part of the ecdysone receptor Universal stress protein, a protein superfamily USp (2n), a symplectic...
    2 KB (306 words) - 14:31, 20 August 2024
  • Thumbnail for 7-Dehydrocholesterol
    nutrient. In insects 7-dehydrocholesterol is a precursor for the hormone ecdysone, required for reaching adulthood. 7-DHC was discovered by Nobel-laureate...
    12 KB (1,110 words) - 21:39, 21 August 2024
  • Thumbnail for Menthol
    Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
    31 KB (2,905 words) - 10:14, 2 October 2024
  • Thumbnail for Capsaicin
    Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
    59 KB (5,926 words) - 16:36, 5 October 2024
  • Thumbnail for Bracken
    eaten by mammals or insects. Two major insect moulting hormones, alpha ecdysone and 20-hydroxyecdysone, are found in bracken. These cause uncontrollable...
    30 KB (3,494 words) - 16:34, 30 September 2024
  • Thumbnail for Steroid
    Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
    83 KB (8,473 words) - 20:30, 10 October 2024
  • Thumbnail for Arthropod exoskeleton
    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...
    19 KB (2,141 words) - 06:23, 29 June 2024
  • Thumbnail for Dietary fiber
    Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
    85 KB (9,605 words) - 13:57, 14 October 2024
  • circulation – double helix – Down syndrome – drupe – duodenum – dynein ecdysone – ecological niche – ecology – ecosystem – effector cell – electrochemical...
    19 KB (1,370 words) - 15:31, 11 February 2024
  • Thumbnail for Natural rubber
    Sitosterol Stigmasterol Tocopherols Cholesterol Testosterone Cholecalciferol Ecdysones Other Betulin Lanosterol Saponins Serratenediol Squalane Acids Oleanolic...
    61 KB (7,093 words) - 19:40, 9 October 2024
  • Thumbnail for Queen snake
    septemvittata are especially sensitive to a chemical compound called ecdysone that is produced by crayfish during their molting cycle which help them...
    16 KB (2,065 words) - 14:07, 2 October 2024
  • Thumbnail for Nuclear receptor
    steroid and thyroid hormones. Shortly thereafter, the identification of the ecdysone receptor in Drosophila introduced the idea that nuclear receptors were...
    74 KB (6,683 words) - 09:55, 12 September 2024
  • Thumbnail for Dibenzoylhydrazine
    kill insects. BAHs act by agonising the ecdysone receptor. Crystal structures of BAHs bound to the ecdysone receptor were obtained. BAHs show low mammalian...
    3 KB (242 words) - 19:14, 4 September 2024