Temporal development of Drosophila embryos is highly robust across a wide temperature range

Journal of the Royal Society, Interface
Jeronica ChongTimothy E Saunders

Abstract

Development is a process precisely coordinated in both space and time. Spatial precision has been quantified in a number of developmental systems, and such data have contributed significantly to our understanding of, for example, morphogen gradient interpretation. However, comparatively little quantitative analysis has been performed on timing and temporal coordination during development. Here, we use Drosophila to explore the temporal robustness of embryonic development within physiologically normal temperatures. We find that development is temporally very precise across a wide range of temperatures in the three Drosophila species investigated. However, we find temperature dependence in the timing of developmental events. A simple model incorporating history dependence can explain the developmental temporal trajectories. Interestingly, history dependence is temperature-specific, with either effective negative or positive feedback at different temperatures. We also find that embryos are surprisingly robust to shifting temperatures during embryogenesis. We further identify differences between tropical and temperate species, potentially due to different mechanisms regulating temporal development that depend on the local environme...Continue Reading

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Citations

Aug 28, 2019·Journal of Evolutionary Biology·Christopher J Austin, Amanda J Moehring
Feb 6, 2020·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Steven Q Irvine
Aug 22, 2020·Annual Review of Entomology·Christen K MirthChristopher Amourda
Apr 25, 2021·Nature Communications·Li ZhanJohn Bischof
Feb 5, 2021·Journal of Physics. Condensed Matter : an Institute of Physics Journal·K CraigieC Bonato
Aug 21, 2021·Molecular Systems Biology·Joseph CrapseMartin Wühr

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