publication . Article . 1985

Regional differences in the lateral mobility of plasma membrane lipids in a molluscan embryo.

Speksnijder, J.E.; Dohmen, M.R.; Tertoolen, L.G.J.; Laat, S.W. de;
Open Access
  • Published: 01 Jan 1985 Journal: Developmental Biology, volume 110, pages 207-216 (issn: 0012-1606, Copyright policy)
  • Publisher: Elsevier BV
  • Country: Netherlands
Abstract
Regional and temporal differences in plasma membrane lipid mobility have been analyzed during the first three cleavage cycles of the embryo of the polar-lobe-forming mollusc Nassarius reticulatus by the fluorescence photobleaching recovery (FPR) method, using 1,1′-ditetradecyl 3,3,3′,3′-tetramethylindocarbocyanine iodide (C14diI) as a fluorescent lipid probe. During this period of development the lateral diffusion coefficient of membrane lipids is consistently greater in the vegetal polar lobe area as compared to the animal plasma membrane area (on average 30%), demonstrating the existence of an animal-vegetal polarity in plasma membrane properties. At third cle...
Subjects
free text keywords: Cleavage (embryo), Mitosis, Biology, Polarity (international relations), Ultrastructure, Anatomy, Cell cycle, Embryo, Membrane, Membrane lipids
Related Organizations
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