Lateral mobility of plasma membrane lipids in Xenopus eggs: Regional differences related to animal/vegetal polarity
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Abstract
Regional differences in the lateral
\nmobility properties of plasma membrane
\nlipids were studied in unfertilized and
\nfertilized Xenopus eggs by fluorescence
\nphotobleaching recovery (FPR) measurements.
\nOut of a variety of commonly used
\nlipid probes only the aminofluorescein-
\n-1abelled fatty acids HEDAF (5-(N-hexadecanoyl)-
\naminofluorescein) and TEDAF
\n(5-(N-tetradecanoyl)-aminofluorescein)
\nappear to distribute itself in the plasma
\nmembrane. Under all experimental conditions
\nused these molecules show partial
\nrecovery upon photobleaching, indicating
\nthe existence of lipidic microdomains.
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- last seen: 2026-05-11T07:48:14.208562+00:00
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