All Eggs Are Not Equal: The Maternal Environment Affects Progeny Reproduction and Developmental Fate in Caenorhabditis elegans
2011

Maternal Environment Affects Offspring in C. elegans

Sample size: 21 publication 10 minutes Evidence: moderate

Author Information

Author(s): Harvey Simon C., Orbidans Helen E.

Primary Institution: Canterbury Christ Church University

Hypothesis

How does maternal food availability influence progeny reproduction and development in Caenorhabditis elegans?

Conclusion

The maternal environment significantly impacts progeny reproduction and development in C. elegans, with low food availability leading to larger eggs and altered reproductive traits.

Supporting Evidence

  • Low maternal food availability reduces progeny reproduction in good environments.
  • Progeny from high food mothers showed greater early reproduction.
  • Maternal size did not fully explain variation in progeny reproductive traits.
  • Maternal food availability affects the likelihood of progeny developing as dauer larvae.

Takeaway

Moms who have less food make bigger eggs for their babies, which helps them survive better in tough situations.

Methodology

The study involved isolating eggs from C. elegans mothers raised in different food conditions and analyzing the reproductive traits of their progeny.

Limitations

The study could not analyze detailed changes in reproductive traits for progeny from the lowest food concentrations due to limited egg availability.

Participant Demographics

C. elegans nematodes from various maternal food environments.

Statistical Information

P-Value

p=0.017

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0025840

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