Skip to main content
Article thumbnail
Location of Repository

Lateral mobility of plasma membrane lipids in a molluscan egg: Evidence for an animal/vegetal polarity

By S.W. de Laat, J.E. Speksnijder, M.R. Dohmen, E. van Zoelen, L.G.J. Tertoolen and J.G. Bluemink

Abstract

The lateral diffusion of the lipid analog\ud C₁₄-diI (3', 3'-dihexadecylindocarbocyanine\ud iodide) was measured in the plasma membrane\ud of early embryos of the mollusc Nassarius\ud reticulatus using the FPR-(Fluorescence\ud Photobleaching Recovery) method.\ud At almost all stages measured (from fertilized\ud egg up to 8-cell stage) the diffusion\ud coefficient (D) of the mobile fraction\ud (MF) of C₁₄-diI is significantly\ud higher in the plasma membrane of the polar\ud lobe as compared to the plasma membrane of\ud the animal half of the embryo. These results demonstrate the presence\ud of an animal/vegetal polarity in the\ud plasma membrane of the embryo of Nassarius,\ud possibly related with the polar localization\ud of morphogenetic factors

Topics: Biologie
Year: 1984
OAI identifier: oai:dspace.library.uu.nl:1874/24330
Download PDF:
Sorry, we are unable to provide the full text but you may find it at the following location(s):
  • http://dspace.library.uu.nl:80... (external link)
  • Suggested articles


    To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.