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Pigment granule migration and phototransduction are triggered by separate pathways in fly photoreceptor cells.

Authors
  • Hanyu, Y
  • Franceschini, N
Type
Published Article
Journal
Neuroreport
Publisher
Ovid Technologies (Wolters Kluwer) - Lippincott Williams & Wilkins
Publication Date
Feb 01, 1993
Volume
4
Issue
2
Pages
215–218
Identifiers
PMID: 8384026
Source
Medline
License
Unknown

Abstract

We studied the mechanism of pigment granule migration in fly photoreceptors. We found that these granules migrate transiently with red light stimulation. This suggests that excitation of metarhodopsin triggers granule migration. We also found that cyclic GMP is one of the activators of pigment granule migration. These findings suggest that pigment granule migration is triggered separately from phototransduction, which is initiated by the excitation of rhodopsin.

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