Microsporidia are natural intracellular parasites of the nematode Caenorhabditis elegans
2008

Microsporidia: New Parasites of C. elegans

Sample size: 30 publication 10 minutes Evidence: high

Author Information

Author(s): Emily R. Troemel, Marie-Anne Félix, Noah K. Whiteman, Antoine Barrière, Frederick M. Ausubel

Primary Institution: Harvard Medical School

Hypothesis

Is there a natural intracellular pathogen of Caenorhabditis elegans?

Conclusion

Microsporidia are common parasites of C. elegans in the wild and can cause significant intestinal infections.

Supporting Evidence

  • Microsporidia were found in multiple wild-caught isolates of C. elegans from diverse geographic locations.
  • Infection with N. parisii leads to distinct morphological changes in the intestinal cells of C. elegans.
  • The study provides a new model for understanding intracellular infections in a whole animal.

Takeaway

Scientists found a new germ that lives inside tiny worms called C. elegans, and this germ can spread easily from one worm to another.

Methodology

The study involved isolating a microsporidian pathogen from wild-caught C. elegans and characterizing its infection cycle and effects on the host.

Potential Biases

Potential bias in the selection of wild-caught C. elegans strains for study.

Limitations

The study did not explore the long-term effects of microsporidian infection on C. elegans populations.

Participant Demographics

Wild-caught Caenorhabditis elegans from various geographic locations.

Statistical Information

P-Value

0.02

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pbio.0060309

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