Mutagenesis and reconstitution of middle-to-long-wave-sensitive visual pigments of New World monkeys for testing the tuning effect of residues at sites 229 and 233

Chihiro Hiramatsu, F. Bernhard Radlwimmer, Shozo Yokoyama, Shoji Kawamura

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The colour vision polymorphism of New World monkeys results from allelic variations of the middle-to-long-wave-sensitive (M/LWS) visual pigments. On the basis of sequence comparison, spectral differences among the alleles have been ascribed to amino acid residues at sites 180, 229, 233, 277, and 285. While the significant spectral effects have been demonstrated for sites 180, 277, and 285 by site-directed mutagenesis for a large number of vertebrate M/LWS pigments (the "three-site rule"), effects at sites 229 and 233 remain untested. Here we measured absorption spectra of the reconstituted M/LWS pigments from the tri-allelic squirrel monkey (Saimiri sciureus) and the mono-allelic owl monkey (Aotus trivirgatus). The peak absorption spectra (λmax) of Saimiri pigments were 532, 545, and 558 nm and that of Aotus pigment 539 nm, being consistent with the prediction from the three-site rule. Our site-directed mutagenesis for sites 229 and 233 showed that their mutational effects for λmax values were negligible. These results preclude the necessity of examining exon 4, encoding the residues at sites 229 and 233, of M/LWS pigment genes for colour-vision typing of New World monkeys.

Original languageEnglish
Pages (from-to)2225-2231
Number of pages7
JournalVision Research
Volume44
Issue number19
DOIs
Publication statusPublished - Sep 1 2004

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Platyrrhini
Saimiri
Retinal Pigments
Mutagenesis
Color Vision
Site-Directed Mutagenesis
Aotus trivirgatus
Aotidae
Vertebrates
Exons
Alleles
Amino Acids
Genes

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems

Cite this

Mutagenesis and reconstitution of middle-to-long-wave-sensitive visual pigments of New World monkeys for testing the tuning effect of residues at sites 229 and 233. / Hiramatsu, Chihiro; Radlwimmer, F. Bernhard; Yokoyama, Shozo; Kawamura, Shoji.

In: Vision Research, Vol. 44, No. 19, 01.09.2004, p. 2225-2231.

Research output: Contribution to journalArticle

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