Olfactory receptor patterning in a higher primate

Lisa F. Horowitz, Luis R. Saraiva, Donghui Kuang, Kyoung Hye Yoon, Linda B. Buck, Lisa F. Horowitz, Luis Miguel Rodrigues Saraiva, Kyoung Hye Yoon

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The mammalian olfactory system detects a plethora of environmental chemicals that are perceived as odors or stimulate instinctive behaviors. Studies using odorant receptor (OR) genes have provided insight into the molecular and organizational strategies underlying olfaction in mice. One important unanswered question, however, is whether these strategies are conserved in primates. To explore this question, we examined the macaque, a higher primate phylogenetically close to humans. Here we report that the organization of sensory inputs in the macaque nose resembles that in mouse in some respects, but not others. As in mouse, neurons with different ORs are interspersed in the macaque nose, and there are spatial zones that differ in their complement of ORs and extend axons to different domains in the olfactory bulb of the brain. However, whereas the mouse has multiple discrete band-like zones, the macaque appears to have only two broad zones. It is unclear whether the organization of OR inputs in a rodent/primate common ancestor degenerated in primates or, alternatively became more sophisticated in rodents. The mouse nose has an additional small family of chemosensory receptors, called trace amine-associated receptors (TAARs), which may detect social cues. Here we find that TAARs are also expressed in the macaque nose, suggesting that TAARs may also play a role in human olfactory perception. We further find that one human TAAR responds to rotten fish, suggesting a possible role as a sentinel to discourage ingestion of food harboring pathogenic microorganisms.

Original languageEnglish
Pages (from-to)12241-12252
Number of pages12
JournalJournal of Neuroscience
Volume34
Issue number37
DOIs
Publication statusPublished - 10 Sep 2014
Externally publishedYes

Fingerprint

Odorant Receptors
Macaca
Primates
Nose
Amines
Rodentia
Olfactory Perception
Smell
Olfactory Bulb
Cues
Axons
Fishes
Eating
Neurons
Food
Genes

Keywords

  • Macaque
  • Odorant receptor
  • Primate
  • Trace-amine associated receptor

ASJC Scopus subject areas

  • Neuroscience(all)
  • Medicine(all)

Cite this

Horowitz, L. F., Saraiva, L. R., Kuang, D., Yoon, K. H., Buck, L. B., Horowitz, L. F., ... Yoon, K. H. (2014). Olfactory receptor patterning in a higher primate. Journal of Neuroscience, 34(37), 12241-12252. https://doi.org/10.1523/JNEUROSCI.1779-14.2014

Olfactory receptor patterning in a higher primate. / Horowitz, Lisa F.; Saraiva, Luis R.; Kuang, Donghui; Yoon, Kyoung Hye; Buck, Linda B.; Horowitz, Lisa F.; Rodrigues Saraiva, Luis Miguel; Yoon, Kyoung Hye.

In: Journal of Neuroscience, Vol. 34, No. 37, 10.09.2014, p. 12241-12252.

Research output: Contribution to journalArticle

Horowitz, LF, Saraiva, LR, Kuang, D, Yoon, KH, Buck, LB, Horowitz, LF, Rodrigues Saraiva, LM & Yoon, KH 2014, 'Olfactory receptor patterning in a higher primate', Journal of Neuroscience, vol. 34, no. 37, pp. 12241-12252. https://doi.org/10.1523/JNEUROSCI.1779-14.2014
Horowitz LF, Saraiva LR, Kuang D, Yoon KH, Buck LB, Horowitz LF et al. Olfactory receptor patterning in a higher primate. Journal of Neuroscience. 2014 Sep 10;34(37):12241-12252. https://doi.org/10.1523/JNEUROSCI.1779-14.2014
Horowitz, Lisa F. ; Saraiva, Luis R. ; Kuang, Donghui ; Yoon, Kyoung Hye ; Buck, Linda B. ; Horowitz, Lisa F. ; Rodrigues Saraiva, Luis Miguel ; Yoon, Kyoung Hye. / Olfactory receptor patterning in a higher primate. In: Journal of Neuroscience. 2014 ; Vol. 34, No. 37. pp. 12241-12252.
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