Experimental insight into the proximate causes of male persistence variation among two strains of the androdioecious Caenorhabditis elegans (Nematoda)
2008

Understanding Male Persistence in Caenorhabditis elegans

Sample size: 8 publication 10 minutes Evidence: moderate

Author Information

Author(s): Viktoria Wegewitz, Hinrich Schulenburg, Adrian Streit

Primary Institution: Max Planck Institute for Developmental Biology

Hypothesis

What factors contribute to the variation in male persistence among different strains of Caenorhabditis elegans?

Conclusion

The study found that differences in mating efficiency and self-progeny production between two strains of C. elegans explain the variation in male persistence.

Supporting Evidence

  • CB4856 males achieved more successful copulations than N2 males.
  • N2 hermaphrodites produced more self-progeny than CB4856 hermaphrodites.
  • Males disappeared rapidly from N2 populations but were maintained in CB4856.

Takeaway

Some types of tiny worms called C. elegans have both boys and girls, and this study looked at why some types keep more boys around than others.

Methodology

The study involved systematic inter- and intra-strain crosses and male maintenance assays to evaluate male persistence and mating efficiency.

Potential Biases

Potential observer bias in counting and assessing mating behavior.

Limitations

The study primarily focused on two strains and may not represent all C. elegans populations.

Participant Demographics

The study used various natural isolates of C. elegans, including strains N2 and CB4856.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6785-8-12

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