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Nematode surface coats: actively evading immunity.

M L Blaxter1, A P Page, W Rudin

  • 1Wellcome Research Centre for Parasitic Infections, Department of Biology, Imperial College of Science, Technology and Medicine, London.

Parasitology Today (Personal Ed.)
|July 1, 1992
PubMed
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Nematode parasites possess a distinct outer surface coat, not just the cuticle. This surface coat, rather than the cuticle, may be key to parasitic nematodes evading host immune responses.

Area of Science:

  • Parasitology
  • Nematology
  • Immunology

Background:

  • The traditional understanding of nematode surfaces identifies the epicuticle as the outermost layer.
  • Recent observations reveal an electron-dense outer envelope distinct from the epicuticle in various nematode species and life stages.

Purpose of the Study:

  • To review and synthesize findings on the nematode outer envelope.
  • To propose a revised understanding of nematode surface dynamics and immune evasion mechanisms.

Main Methods:

  • Review of existing literature on nematode surface structures.
  • Comparative analysis of electron microscopy studies in free-living and parasitic nematodes.

Main Results:

  • Many nematode species possess a surface coat external to the epicuticle.

Related Experiment Videos

  • This surface coat exhibits dynamic properties potentially crucial for parasite survival.

    • Conclusions:

    • The outer surface coat, not the cuticle, is likely responsible for dynamic surface properties in many nematodes.
    • This surface coat plays a significant role in parasitic nematode immune evasion strategies.