How Temperature Affects Early Embryonic Cell Division
Author Information
Author(s): Rombouts Jan, Tavella Franco, Vandervelde Alexandra, Phong Connie, Ferrell James E., Yang Qiong, Gelens Lendert
Primary Institution: Cold Spring Harbor Laboratory
Hypothesis
Why does the Arrhenius equation approximately hold for the early embryonic cell cycle and why does it break down at temperature extremes?
Conclusion
The study found that temperature scaling in the early embryonic cell cycle is influenced by biphasic temperature scaling and imbalances in activation energies of enzymes.
Supporting Evidence
- The apparent activation energies for the early embryonic cell cycle are similar across diverse ectotherms.
- The Q10 value at 20°C is 2.8 ± 0.2.
- Biphasic temperature scaling contributes to the scaling of temperature in the cell cycle.
- Imbalances in activation energies of enzymes affect temperature scaling.
- Experimental studies indicate that both mechanisms contribute to temperature scaling.
Takeaway
Temperature changes can affect how cells divide in embryos, and this study helps us understand why that happens.
Methodology
The study used experimental data from various ectothermic species and computational models to analyze temperature scaling in the cell cycle.
Statistical Information
Confidence Interval
75 ± 7 kJ/mol
Digital Object Identifier (DOI)
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