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Article

Mutational changes in S-cone opsin genes common to both nocturnal and cathemeral Aotus monkeys.

American journal of primatology - 1 Jul 2007

Levenson David H, Fernandez-Duque Eduardo, Evans Sian, Jacobs Gerald H

Abstract excerpt

Aotus is a platyrrhine primate that has been classically considered to be nocturnal. Earlier research revealed that this animal lacks a color vision capacity because, unlike all other platyrrhine monkeys, Aotus has a defect in the opsin gene that is required to produce short-wavelength sensitive (S) cone photopigment. Consequently, Aotus retains only a single type of cone photopigment. Other mammals have since...

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PMID: 17253622
DOI: 10.1002/ajp.20402

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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