Ultrastructural demonstration of hormone-induced movement of carotenoid droplets and endoplasmic reticulum in xanthophores of the goldfish, Carassius auratus L.

Masataka Obika, Szecheng J. Lo, T. T. Tchen, John D. Taylor*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

25 Scopus citations

Abstract

The hormone-induced pigment dispersion in primary cultures of xanthophores of goldfish (Carassius auratus L.) has been shown to involve the dispersion of not only carotenoid droplets but also of smooth endoplasmic reticulum. The dispersion of these organelles is inhibited by cytochalasin B and is accompanied by thinning of the cell body, thickening of the processes, and also overall changes in cellular morphology (process extension) under certain conditions. Electron microscopic examination of heavy meromyosin treated glycerinated xanthophores in scales revealed the presence of actin filaments in these cells.

Original languageEnglish
Pages (from-to)409-416
Number of pages8
JournalCell and Tissue Research
Volume190
Issue number3
DOIs
StatePublished - 07 1978
Externally publishedYes

Keywords

  • Actin filaments
  • Endoplasmic reticulum
  • Pigment cells
  • Xanthophores

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