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Article

Opsins in onychophora (velvet worms) suggest a single origin and subsequent diversification of visual pigments in arthropods.

Molecular biology and evolution - 1 Nov 2012

Hering Lars, Henze Miriam J, Kohler Martin, Kelber Almut, Bleidorn Christoph, Leschke Maren, Nickel Birgit, Meyer Matthias, Kircher Martin, Sunnucks Paul, Mayer Georg

Abstract excerpt

Multiple visual pigments, prerequisites for color vision, are found in arthropods, but the evolutionary origin of their diversity remains obscure. In this study, we explore the opsin genes in five distantly related species of Onychophora, using deep transcriptome sequencing and screening approaches. Surprisingly, our data reveal the presence of only one opsin gene (onychopsin) in each onychophoran species, and...

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PMID: 22683812
DOI: 10.1093/molbev/mss148

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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