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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 31, Iss. 4 — Apr. 1, 2014
  • pp: A189–A194

Specialized synaptic pathway for chromatic signals beneath S-cone photoreceptors is common to human, Old and New World primates

Christian Puller, Michael B. Manookin, Maureen Neitz, and Jay Neitz  »View Author Affiliations


JOSA A, Vol. 31, Issue 4, pp. A189-A194 (2014)
http://dx.doi.org/10.1364/JOSAA.31.00A189


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Abstract

The distribution of the soluble NSF-attachment protein receptor protein syntaxin-4 and the Na-K-Cl cotransporter (NKCC) were investigated in the outer plexiform layer of human retina using immunohistochemistry. Both proteins, which are proposed to be components of a gamma-aminobutyric acid mediated feed-forward circuit from horizontal cells directly to bipolar cells, were enriched beneath S-cones. The expression pattern of syntaxin-4 was further analyzed in baboon and marmoset to determine if the synaptic specialization is common to primates. Syntaxin-4 was enriched beneath S-cones in both species, which together with the human results indicates that this specialization may have evolved for the purpose of mediating unique color vision capacities that are exclusive to primates.

© 2014 Optical Society of America

OCIS Codes
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.1720) Vision, color, and visual optics : Color vision

ToC Category:
Retinal and cortical color processing

History
Original Manuscript: October 9, 2013
Manuscript Accepted: November 18, 2013
Published: February 12, 2014

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Christian Puller, Michael B. Manookin, Maureen Neitz, and Jay Neitz, "Specialized synaptic pathway for chromatic signals beneath S-cone photoreceptors is common to human, Old and New World primates," J. Opt. Soc. Am. A 31, A189-A194 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-4-A189

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