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  4. Ecdysteroid Titer and Metabolism and cuticle deposition during embryogenesis of the ixodid tick amblyomma-hebraeum (Koch)
 
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Ecdysteroid Titer and Metabolism and cuticle deposition during embryogenesis of the ixodid tick amblyomma-hebraeum (Koch)

Auteur(s)
Dotson, Ellen Marie
Connat, Jean-Louis
Diehl, Peter-Allan 
Institut de biologie 
Date de parution
1995
In
Comparative Biochemistry and Physiology B-Biochemistry & Molecular Biology
Vol.
1
No
110
De la page
155
A la page
166
Mots-clés
  • AMBLYOMMA HEBRAEUM
  • APOLAR CONJUGATES
  • CUTICLE DEVELOPMENT
  • ECDYSTEROIDS
  • ECDYSTEROID METABOLISM
  • 3-ALPHA ECDYSTEROIDS
  • EMBRYONIC
  • CUTICLES
  • EPIMER
  • TICK
  • ORNITHODOROS-MOUBATA MURRAY
  • INTEGUMENT STRUCTURE
  • BOOPHILUS-MICROPLUS
  • SENSU WALTON
  • IXODOIDEA
  • ECDYSONE
  • TITERS
  • EGGS
  • ARGASIDAE
  • ACCUMULATION
  • AMBLYOMMA HEBRAEUM

  • APOLAR CONJUGATES

  • CUTICLE DEVELOPMENT

  • ECDYSTEROIDS

  • ECDYSTEROID METABOLIS...

  • 3-ALPHA ECDYSTEROIDS

  • EMBRYONIC

  • CUTICLES

  • EPIMER

  • TICK

  • ORNITHODOROS-MOUBATA ...

  • INTEGUMENT STRUCTURE

  • BOOPHILUS-MICROPLUS

  • SENSU WALTON

  • IXODOIDEA

  • ECDYSONE

  • TITERS

  • EGGS

  • ARGASIDAE

  • ACCUMULATION

Résumé
Three embryonic cuticles are formed before larval cuticle deposition during embryonic development of Amblyomma hebraeum. The quantity of radioimmunoassay-positive material varied between 50 and 200 pg ecdysone equivalents per mg, but no significant peaks were detected. Maternally incorporated [H-3]-20-hydroxyecdysone and [H-3]-ecdysone contained in freshly laid eggs appear to be conjugated to C-22 fatty acid esters and 3 alpha epimers of those esters and, thus, appear doubly inactivated. In addition, ecdysone is converted to an unknown product called 2'. The role of these maternally derived ecdysteroids is unknown.
Identifiants
https://libra.unine.ch/handle/123456789/12518
_
10.1016/0305-0491(94)00140-P
Type de publication
journal article
Dossier(s) à télécharger
 main article: 1-s2.0-030504919400140P-main.pdf (1.23 MB)
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