Article
Repeated evolution of circadian clock dysregulation in cavefish populations.
PLoS genetics - 1 Jul 2021
Mack Katya L, Jaggard James B, Persons Jenna L, Roback Emma Y, Passow Courtney N, Stanhope Bethany A, Ferrufino Estephany, Tsuchiya Dai, Smith Sarah E, Slaughter Brian D, Kowalko Johanna, Rohner Nicolas, Keene Alex C, McGaugh Suzanne E
Abstract excerpt
Circadian rhythms are nearly ubiquitous throughout nature, suggesting they are critical for survival in diverse environments. Organisms inhabiting largely arrhythmic environments, such as caves, offer a unique opportunity to study the evolution of circadian rhythms in response to changing ecological pressures. Populations of the Mexican tetra, Astyanax mexicanus, have repeatedly invaded caves from surface rivers,...
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