Phase-dependent preference of thermosensation and chemosensation during simultaneous presentation assay in Caenorhabditis elegans
2008
Worms Prefer Temperature Over Chemicals at First
Sample size: 20
publication
Evidence: moderate
Author Information
Author(s): Adachi Ryota, Osada Hiroshi, Shingai Ryuzo
Primary Institution: Iwate University
Hypothesis
How do Caenorhabditis elegans integrate thermal and chemical stimuli during simultaneous presentation?
Conclusion
Worms preferred temperature to the chemoattractant sodium chloride initially, but switched preference to sodium chloride later.
Supporting Evidence
- Worms showed a preference for temperature in the first 40 minutes of the assay.
- Behavioral indices indicated a significant difference between simultaneous and summed single presentations.
- Migration toward sodium chloride was preferred in the last 40 minutes of the assay.
Takeaway
Worms like cold temperatures first, but after a while, they prefer salty areas instead.
Methodology
The study involved observing the behavior of C. elegans in response to simultaneous thermal and chemical stimuli, tracking their movements and preferences over time.
Participant Demographics
Wild-type Caenorhabditis elegans cultivated at different temperatures.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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