Data from: Functional preservation and variation in the cone opsin genes of nocturnal tarsiers

Gillian L. Moritz, Perry S. Ong, George H. Perry & Nathaniel J. Dominy
The short-wavelength sensitive (S-) opsin gene OPN1SW is pseudogenized in some nocturnal primates and retained in others, enabling dichromatic colour vision. Debate on the functional significance of this variation has focused on dark conditions, yet many nocturnal species initiate activity under dim (mesopic) light levels that can support colour vision. Tarsiers are nocturnal, twilight-active primates and exemplary visual predators; they also express different colour vision phenotypes, raising the possibility of discrete adaptations to mesopic conditions....

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  • Duke University
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  • University of the Philippines Diliman
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  • Dartmouth College
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