Evolution of the tyrosinase related gene (TYRL) in primates.

W. S. Oetting, O. C. Stine, D. Townsend, R. A. King

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Tyrosinase is the major enzyme responsible for the formation of melanin pigment and is found throughout the animal kingdom. In humans, the tyrosinase gene (TYR) maps to the long arm of chromosome 11 at band q14-->q21, while a tyrosinase related gene (TYRL) maps to the short arm of chromosome 11 at p11.2-->cen. We and others have found that the TYRL locus contains sequences that are similar to exons IV and V of the authentic tyrosinase gene but lacks sequences of exons I, II, and III. In an attempt to understand the evolution of the human tyrosinase gene, we have analyzed TYR and TYRL in primates and have found that exons IV and V of the chimpanzee and gorilla TYR are very similar to the human, with the gorilla sequence being more similar than the chimpanzee. We have also found that the gorilla but not the chimpanzee contains a TYRL locus similar to the human TYRL locus.

Original languageEnglish (US)
Pages (from-to)171-177
Number of pages7
JournalPigment cell research / sponsored by the European Society for Pigment Cell Research and the International Pigment Cell Society
Issue number3
StatePublished - Jun 1993
Externally publishedYes

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science
  • Cell Biology
  • Clinical Biochemistry
  • Developmental Biology


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