Persistence of bacteria during development in flies

  title={Persistence of bacteria during development in flies},
  author={Roxana Rădvan},
  journal={Folia Microbiologica},
  • R. Rădvan
  • Published 1 June 1960
  • Biology
  • Folia Microbiologica
SummaryBacteria which survive the pupal stage in flies are localized, before emergence of the fly, in the space between the developing fly and the pupal exuviae. When the fly emerges, they are present mainly on the body surface. In most cases the fly’s alimentary canal is bacteriologically sterile and contains (mainly in the hind intestine) products of the Malpighian tubes (chiefly uric acid crystals). After emerging the fly usually spreads the bacteria for a few hours, and in some cases for up… 

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Persistence of bacteria during development in flies
Experiments investigating survival of bacteria during the pupal stage gave the following basic findings: bacteria are not transmitted in the egg contents, but only on the surface of the eggs.
Persistence of bacteria during development in flies
The numbers of microorganisms which survive throughout development in flies show marked individual differences and it is assumed that in the pupa the bacteria are present mostly in the space between the pupal exuviae and the developing fly.
The method ol survival el bacteria in the puparia o ] the seedcorn maggot ( Hylemyia cilicrura Rend )
  • Z . angew . Ent .
  • 1933
Sul passagio dei germi attraverso le larve di alcuni insetti
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