Experientia

, Volume 35, Issue 8, pp 1120–1122 | Cite as

Variations des taux d'ecdystéroïdes au cours du développement deBombyx mori; rapport entre ces variations et les phases de croissance et de morphogenèse

  • M. Coulon
  • B. Calvez
  • M. De Rggi
  • J. M. Legay
  • M. Hirn
Specialia

Variations of ecdysteroid content duringBombyx mori development; relation to growth and morphogenetic phases

Summary

During the development ofBombyx mori (monovoltin race) ecdysteroid levels were determined in oocytes, eggs, and haemolymph of larvae, and in the haemolymph of pupae. In haemolymph, the only RIA reactive materials are ecdysone and ecdysterone. In oocytes and eggs, other ecdysteroids are also detected. During larval instars, the ecdysteroid levels are low whereas they are very high during morphogenetic periods. During embryonic diapause, the ecdysone titer decreases during the cessation of morphogenesis.

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Copyright information

© Birkhäuser Verlag 1979

Authors and Affiliations

  • M. Coulon
    • 1
    • 2
  • B. Calvez
    • 1
    • 2
  • M. De Rggi
    • 1
    • 2
  • J. M. Legay
    • 1
    • 2
  • M. Hirn
    • 1
    • 2
  1. 1.Département de Biologie Générale et AppliquéeUniversité Claude Bernard, Laboratoire Associé au CNRS No243VilleurbanneFrance
  2. 2.Centre d'Immunologie de Marseille Lumigny, CNRSMarseilleFrance

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