Sperm Plasma Membrane

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Glutathione S-transferases GSTs are enzymes that detoxify electrophilic compounds. Earlier studies from our laboratory showed that anti-GST antibodies interfered with the fertilising ability of spermatozoa from Capra hircus goat in vitro, suggesting that GSTs are localised at the cell surface.



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Sperm-egg fusion is a cell-cell membrane fusion event essential for the propagation of sexually reproducing organisms. In gamete fusion, as in other fusion events, such as virus-cell and intracellular vesicle fusion, membrane fusion is a two-step process.



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During cryopreservation, the cell plasma membrane faces severe perils, including lipid phase separation, solute effects, and osmotic stresses associated with ice crystallization. How the initial biophysical properties of the plasma membrane can be modulated before cryopreservation in order to influence cellular resistance to the freeze-thaw stress is addressed in this study.

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Sexual reproduction requires the fusion of sperm cell and oocyte during fertilization to produce the diploid zygote. In mammals complex changes in the plasma membrane of the sperm cell are involved in this process.



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Sexual reproduction requires the fusion of sperm cell and oocyte during fertilization to produce the diploid zygote. In mammals complex changes in the plasma membrane of the sperm cell are involved in this process.



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A spermatozoon joins an ovum to form a zygote. A zygote is a single cell, with a complete set of chromosomes , that normally develops into an embryo.

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