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Ecdysteroids and control of embryonic diapause: changes in ecdysteroid levels and exogenous hormone effects in the eggs of cochineal Lepidosaphes

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Summary

Embryos of the diapausing strain ofLepidosaphes ulmi showed a low ecdysteroid level at the onset of diapause whereas an ecdysteroid peak occurred at the same stage in the non-diapausing strain. This observation, together with the effects of 20-OH-ecdysone on diapausing eggs, strongly suggests that this hormone inhibits diapause in embryos.

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Literatur

  1. R. Sieber and G. Benz, J. Insect Physiol.26, 213 (1980).

    Article  CAS  Google Scholar 

  2. B. Gharib, C.r. Acad. Sci. Paris286, 1313 (1978).

    Google Scholar 

  3. M. De Reggi, M. Hirn and M. Delaage, Biochem. biophys. Res. Commun.66, 1307 (1975).

    Article  PubMed  Google Scholar 

  4. C. Hetru, M. Lagueux, M. Luubang and J. Hoffman, Life Sci.22, 2141 (1978).

    Article  CAS  PubMed  Google Scholar 

  5. M. Zalokar, Drosoph. Inf. Serv.47, 128 (1971).

    Google Scholar 

  6. M. Hirn, M. Coulon and M. De Reggi, C.r. Acad. Sci. Paris284, 2147 (1977).

    CAS  Google Scholar 

  7. D. Bullière, F. Bullière and M. De Reggi, Roux's Arch.186, 103 (1979).

    Article  Google Scholar 

  8. M. Lagueux, C. Hetru, F. Goltzene, C. Kappler and J.A. Hoffman, J. Insect. Physiol.25, 709 (1979).

    Article  CAS  Google Scholar 

  9. F.P. Louvet, B. Fournier, M. Cavallin, F. Delachambre, F.P. Delbecque and J. Gautier, IVth Eur. Symp. on Ecdysone, Strasbourg 1979.

  10. A.R. Gande and E.D. Morgan, J. Insect Physiol.25, 289 (1979).

    Article  CAS  Google Scholar 

  11. J. Claret, P. Porcheron and F. Dray, C.r. Acad. Sci. Paris286, 639 (1978).

    CAS  Google Scholar 

  12. B. Calvez, M. Hirn and M. De Reggi, FEBS Letters71, 57 (1976).

    Article  CAS  Google Scholar 

  13. B. Gharib, J.M. Legay and M. De Reggi, J. Insect Physiol.27, in press (1981).

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Author information

Author notes

  1. A. Girardie

    Present address: Laboratoire de Neuroendocrinologie, F-33405, Talence, France

Authors and Affiliations

  1. Centre d'Immunologie, INSERM-CNRS, Case 906, F-13288, Marseille, France

    B. Gharib, A. Girardie & M. De Reggi

  2. Laboratoire de Neuroendocrinologie, Avenue des Facultés, F-33405, Talence Cedex, France

    B. Gharib, A. Girardie & M. De Reggi

Authors
  1. B. Gharib
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  2. A. Girardie
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  3. M. De Reggi
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Additional information

This work was supported by: Station de Zoologie, 37, bd du Cap, F-06602 Antibes/France.

Acknowledgment. The authors thank Dr Benassy for his interest in this work and A. Corsini for help with the manuscript.

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Gharib, B., Girardie, A. & De Reggi, M. Ecdysteroids and control of embryonic diapause: changes in ecdysteroid levels and exogenous hormone effects in the eggs of cochineal Lepidosaphes. Experientia 37, 1107–1108 (1981). https://doi.org/10.1007/BF02085039

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  • DOI: https://doi.org/10.1007/BF02085039

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