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The human olfactory receptor repertoire.

S Zozulya1, F Echeverri, T Nguyen

  • 1Senomyx Inc, 11099 North Torrey Pines Road, La Jolla, CA 92037, USA. sergey.zozulya@senomyx.com

Genome Biology
|June 26, 2001
PubMed
Summary

Researchers identified 347 functional human odorant receptor genes, crucial for understanding smell and distinguishing diverse chemicals. This discovery advances our knowledge of the human olfactory system and its complex mechanisms.

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Area of Science:

  • Genomics
  • Olfactory receptor research
  • Human genetics

Background:

  • Mammalian olfaction relies on a large family of ~1,000 seven-transmembrane olfactory (odorant) receptor genes.
  • Many human olfactory receptor genes are thought to be non-functional pseudogenes.

Purpose of the Study:

  • To identify and clone full-length, functional human odorant receptor genes.
  • To establish a comprehensive catalog of human olfactory receptor genes.

Main Methods:

  • Sequence database mining using conserved motifs and intron absence.
  • Comparative sequence analysis of identified gene products.
  • Phylogenetic analysis and chromosomal localization for nomenclature.

Main Results:

  • Identification and physical cloning of 347 putative full-length human odorant receptor genes.
  • Definition of consensus sequence motifs and structural features for this receptor family.
  • Proposal of a new nomenclature for human odorant receptors.

Conclusions:

  • This comprehensive identification of functional human odorant receptor genes is a foundational step.
  • Enables future research into receptor-ligand specificity.
  • Facilitates understanding of combinatorial odor encoding in human olfaction.

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