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Université de Fribourg

Mechanisms of vision in the fruit fly

Andres-Bragado, Lucia de ; Sprecher, Simon G.

In: Current Opinion in Insect Science, 2019, vol. 36, p. 25–32

Vision is essential to maximize the efficiency of daily tasks such as feeding, avoiding predators or finding mating partners. An advantageous model is Drosophila melanogaster, since it offers tools that allow genetic and neuronal manipulation with high spatial and temporal resolution, which can be combined with behavioral, anatomical and physiological assays. Recent advances have expanded our...

Université de Fribourg

Life-history evolution and the polyphenic regulation of somatic maintenance and survival

Flatt, Thomas ; Amdam, Gro V. ; Kirkwood, Thomas B. L. ; Omholt, Stig W.

In: The Quarterly Review of Biology, 2013, vol. 88, no. 3, p. 185–218

Here we discuss life-history evolution from the perspective of adaptive phenotypic plasticity, with a focus on polyphenisms for somatic maintenance and survival. Polyphenisms are adaptive discrete alternative phenotypes that develop in response to changes in the environment. We suggest that dauer larval diapause and its associated adult phenotypes in the nematode (Caenorhabditis elegans),...