June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Allelic variation of visual pigments in capuchin monkeys, Sapajus spp
Author Affiliations & Notes
  • Daniela Bonci
    Psicologia Experimental, Universidade de Sao Paulo, Sao Paulo, Brazil
    Nucleo de Neurociencias e Comportamento, Universidade de Sao Paulo, Sao Paulo, Brazil
  • Maureen Neitz
    Departmento of Ophtalmology, University of Washington, Seattle, WA
  • Paulo Roney Goulart
    Nucleo de Teroria de Pesquisa do Comportamento, Universidade Federal do Para, Belem, Brazil
  • Juliana Soares
    Instituto de Biofisica, Universidade Federal do Rio de Janeiro, Rio de janeiro, Brazil
  • Mario Fiorani
    Instituto de Biofisica, Universidade Federal do Rio de Janeiro, Rio de janeiro, Brazil
  • Olavo Galvão
    Nucleo de Teroria de Pesquisa do Comportamento, Universidade Federal do Para, Belem, Brazil
  • Ricardo Gattass
    Instituto de Biofisica, Universidade Federal do Rio de Janeiro, Rio de janeiro, Brazil
  • Luiz Carlos Silveira
    Nucleo de Medicina Tropical, Universidade Federal do Pará, Belém, Brazil
    Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
  • Dora Ventura
    Psicologia Experimental, Universidade de Sao Paulo, Sao Paulo, Brazil
    Nucleo de Neurociencias e Comportamento, Universidade de Sao Paulo, Sao Paulo, Brazil
  • Footnotes
    Commercial Relationships Daniela Bonci, None; Maureen Neitz, Genzyme (F), Alcon (F), Alcon (P); Paulo Roney Goulart, None; Juliana Soares, None; Mario Fiorani, None; Olavo Galvão, None; Ricardo Gattass, None; Luiz Carlos Silveira, None; Dora Ventura, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 1322. doi:
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      Daniela Bonci, Maureen Neitz, Paulo Roney Goulart, Juliana Soares, Mario Fiorani, Olavo Galvão, Ricardo Gattass, Luiz Carlos Silveira, Dora Ventura; Allelic variation of visual pigments in capuchin monkeys, Sapajus spp. Invest. Ophthalmol. Vis. Sci. 2013;54(15):1322.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: To study the variation and frequency of M/L visual pigment genes capuchin monkeys, Sapajus spp from Brazil.

Methods: blood samples were analyzed from capuchin monkeys maintained in different Brazilian cities: Belém (N=18) and Rio de Janeiro (N=13). The M/L opsin genes of all monkeys were sequenced after DNA extraction and PCR amplification procedures. The 180, 277 and 285 amino acids were identified and the spectral absorption curve was predicted for each animal. The type and frequency of visual pigment alleles were determined.

Results: 31 capuchin monkeys were evaluated for M/L genes. All males (N=21) and some females (N=5) had only one M/L allele and were identified as protanope or deuteranope dichromats. Five females showed 2 different alleles which characterized them as trichromats. For the 18 deuteranope monkeys, the SYT (λmax 560-563) or AYT (λmax 550-556) alleles were present in 15 and 3 animals, respectively. Eight monkeys had AFA (λmax 532) (N=4) or AFT (λmax 542-547) (N=4) alleles characterizing them as protanope. The trichromat females showed two alleles combinations, AFA+AFT (N=2) and SFT (λ max 546-553) + SYT (N=3). A total of 5 different alleles were described for Sapajus spp. The frequency of SYT allele (58%) was higher than AYT (12%), AFA (15%) and AFT (15%) alleles in dichromats animals. In trichromatic females, the combination SFT+SYT was more frequent (60%) than AFA+AFT combination (40%).

Conclusions: The present work is the first to describe 5 different M/L opsin alleles for Sapajus spp genus. The SYT allele was the most frequent, which can be explained by the evolution of mammal opsin genes.

Keywords: 625 opsins • 471 color vision • 539 genetics  
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