publication . Article . 2008

Metabolism of ecdysteroids during the vitellogenesis of the tick Ornithodoros moubata (Ixodoidea, Argasidae): Accumulation of apolar metabolites in the eggs

Connat, Jean-Louis; Diehl, Peter A.; Morici, M;
Open Access English
  • Published: 18 Jul 2008
  • Country: Switzerland
The fate of injected [<sup>3</sup>H]ecdysone ([<sup>3</sup>H]E) and 20-hydroxy-[<sup>3</sup>H]ecdysone ([<sup>3</sup>H]20E) has been investigated in the female tick <i>Ornithodoros moubata</i> (Murray, 1877; sensu Walton, 1962). When injected into fed mated vitellogenic females, [<sup>3</sup>H]E is converted into [<sup>3</sup>H]20E and two apolar classes of metabolites, AP1 and AP2. Injected [<sup>3</sup>H]20E is directly converted into AP1 and AP2. AP2 is incorporated into the ovaries in a high proportion and at the end of the vitellogenic cycle represents about 25% of the total label recovered from the animal. The fate of labeled hormones injected into virgin ...
Medical Subject Headings: food and beverages
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