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The chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus; includes de novo formation and steroid interconversion by modification. The chemical reactions and pathways resulting in the formation of ecdysone, (22R)-2-beta,3-beta,14,22,25-pentahydroxycholest-7-en-6-one, an ecdysteroid found in insects. The chemical reactions and pathways resulting in the formation of ecdysteroids, a group of polyhydroxylated ketosteroids which initiate post-embryonic development. The chemical reactions and pathways resulting in the formation of sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule. The chemical reactions and pathways involving ecdysone, (22R)-2-beta,3-beta,14,22,25-pentahydroxycholest-7-en-6-one, an ecdysteroid found in insects. It is the inactive prohormone of the moulting hormone ecdysterone and may have intrinsic hormonal activity at other stages of insect development. The chemical reactions and pathways resulting in the formation of any hormone, naturally occurring substances secreted by specialized cells that affects the metabolism or behavior of other cells possessing functional receptors for the hormone. The chemical reactions and pathways involving ecdysteroids, a group of polyhydroxylated ketosteroids ubiquitous in insects and other arthropods, in which they initiate post-embryonic development, including the metamorphosis of immature forms and the development of the reproductive system and the maturation of oocytes in adult females. The chemical reactions and pathways involving sterols, steroids with one or more hydroxyl groups and a hydrocarbon side-chain in the molecule. The chemical reactions and pathways resulting in the formation of ketones, a class of organic compounds that contain the carbonyl group, CO, and in which the carbonyl group is bonded only to carbon atoms. The general formula for a ketone is RCOR, where R and R are alkyl or aryl groups.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: ecdysone biosynthetic process
Acc: GO:0006697
Aspect: Biological Process
Desc: The chemical reactions and pathways resulting in the formation of ecdysone, (22R)-2-beta,3-beta,14,22,25-pentahydroxycholest-7-en-6-one, an ecdysteroid found in insects.
Synonyms:
  • ecdysone biosynthesis
  • ecdysone synthesis
  • ecdysone anabolism
  • ecdysone formation
Proteins in PDR annotated with:
   This term: 14 [Search]
   Term or descendants: 14 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0006697 - ecdysone biosynthetic process (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle