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Université de Neuchâtel

Ecdysteroid titre and metabolism and cuticle deposition during embryogenesis of the ixodid tick Amblyomma hebraeum (Koch)

Dotson, Ellen Marie ; Connat, Jean-Louis ; Diehl, Peter A.

In: Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, 1995, vol. 110B, no. 1, p. 155-166

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 [3H]-20-hydroxyecdysone and [3H]-ecdysone contained in freshly laid eggs...