Thermoregulatory Behavior and Reproductive Fitness in C. elegans
Author Information
Author(s): Jennifer L. Anderson, Lori Albergotti, Barbara Ellebracht, Raymond B. Huey, Patrick C. Phillips
Primary Institution: Center for Ecology and Evolutionary Biology, University of Oregon
Hypothesis
Does thermoregulatory behavior maximize reproductive fitness of natural isolates of Caenorhabditis elegans?
Conclusion
Thermal preferences in natural isolates of C. elegans correspond with temperatures that maximize fitness, but the relationship varies among isolates.
Supporting Evidence
- Natural isolates of C. elegans show a range of thermal preferences.
- Hot-seeking isolates prefer temperatures that favor population growth rate.
- Cold-seeking isolates prefer temperatures that favor Lifetime Reproductive Success.
Takeaway
Worms like to be at certain temperatures to have the most babies, but different types of worms prefer different temperatures.
Methodology
Thermal preference and fitness were measured using thermal gradients and fitness assays at various temperatures.
Limitations
The demographic status of the worms is unknown, and the study only includes a limited number of isolates.
Participant Demographics
Natural isolates of C. elegans from various geographic locations.
Statistical Information
P-Value
p < 0.0001
Statistical Significance
p < 0.0001
Digital Object Identifier (DOI)
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