A latitudinal cline in the efficacy of endogenous signals: evidence derived from retinal cone contraction in fish.

• Published in: Journal of Experimental Biology
• Main Authors: Yammouni, R., Bozzano, A., Douglas, R. H.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Company of Biologists 2011
• Subjects: QH301 Biology; Arctic; The Cones
• Online Access: https://openaccess.city.ac.uk/id/eprint/2028/; https://openaccess.city.ac.uk/id/eprint/2028/1/Yammouni%20et%20al%202011.pdf; http://jeb.biologists.org/; https://doi.org/10.1242/jeb.048538

Like many physiological systems synchronised to the light:dark cycle, retinomotor movements in 'lower' vertebrates are controlled by both the ambient illumination and input from endogenous circadian oscillators. In the present study, we examine the relative influence of these two signals i...