Penetration Enzymes of Schistosome Cercariae

Abstract

Cercarial production and rates of snail infection and death were similar from exposures of 8-10, 6-8 or 5 miracidia per snail. 5-miracidium exposures were most efficient. Snails limit number of primary sporocysts which develop regardless of number of miracidia. Different combinations of intraspecific geographical strains of S. mansoni and Biomphalaria glabrata varied in capability for cercarial production. Vaccination potentials were similar. Artificially transformed schistosomules lagged 48 to 96 hr behind in vivo in morphological and physiological changes.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1981
Accession Number
ADA095046

Entities

People

  • F. A. Lewis
  • M. A. Stirewalt

Organizations

  • Instituto de Investigaciones Biomédicas

Tags

DTIC Thesaurus Topics

  • Biomedical Research
  • Cell Nucleus
  • Cells
  • Centrifuges
  • Infection
  • Life Cycles
  • Military Research
  • Parasites
  • Parasitology
  • Production
  • Productivity
  • Puerto Rico
  • Skin
  • United States
  • United States Government
  • Worms
  • Wound Infections

Fields of Study

  • Biology

Readers

  • Marine Ecological Systems Migration
  • Toxicology/Environmental Toxicology

Technology Areas

  • Biotechnology