Variations in long- and middle-wavelength-sensitive opsin gene loci in crab-eating monkeys

  title={Variations in long- and middle-wavelength-sensitive opsin gene loci in crab-eating monkeys},
  author={Akishi Onishi and Satoshi Koike and Miki Ida-Hosonuma and Hiroo Imai and Yoshinori Shichida and Osamu Takenaka and Akitoshi Hanazawa and Hidehiko Komatsu and Akichika Mikami and Shunji Goto and Bambang Suryobroto and Achmad Farajallah and Puttipongse Varavudhi and Charal Eakavhibata and Kenji Kitahara and Tetsuo Yamamori},
  journal={Vision Research},
We analyzed variations in long (L)- and middle (M)-wavelength-sensitive opsin gene loci in crab-eating monkeys. Unlike humans, most monkeys have a single L and a single M gene. Two variant genotypes, one with only one opsin gene (dichromatic) and one with tandemly arrayed multiple genes, were also found in the monkeys. However, the frequency of the former was 0.47%, and that of the latter was 5% in the monkeys, while 2% and 66%, respectively, in Caucasian males. The two variants were found only… CONTINUE READING

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