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Visual Neuroscience

Table of Contents - 1999 - Volume 16, Issue 03  


Erratum

Erratum: Temporal and spatial patterns of opsin gene expression in the zebrafish (Danio rerio): Corrections with additions

ELLEN A.  SCHMITT a1, GEORGE A.  HYATT a1 and JOHN E.  DOWLING a1c1
a1 Department of Molecular and Cellular Biology, Harvard University, Cambridge

Abstract

We report here a reexamination of the developmental expression of cone opsins in the zebrafish retina. The red- and blue-sensitive opsins appear at 51 h postfertilization (hpf) whereas ultraviolet (UV) opsin is not seen until after 55 hpf. More cells show red cone opsin expression than blue at 51 and 55 hpf, indicating the sequence of cone opsin expression in zebrafish is first red, then blue, and finally UV. Curiously, morphological development of the cones is in reverse order; UV cones appear quite mature by day 6–7 postfertilization (pf), but morphologically, red cones do not appear adult-like until 15–20 days pf.

(Received April 30 1998)
(Accepted December 15 1998)


Key Words: Photoreceptor; Opsin; Retinal development; Gene expression; Zebrafish.

Correspondence:
c1 Correspondence and reprint requests to: John E. Dowling, Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA.