Medicine
3 years ago

Sperm Supercharging Boosts Fertility Rates for Mice in Competitive Mating

Cells
Energy Metabolism and Hyperactivation of Spermatozoa from Three Mouse Species under Capacitating Conditions
Ester Sansegundo, Maximiliano Tourmente, Eduardo R. S. Roldán

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Sperm Supercharging Boosts Fertility Rates for Mice in Competitive Mating

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Sperm from different mouse species use energy differently during the process of getting ready to fertilize an egg. The amount of energy (ATP) sperm have decreases faster when they are getting ready to fertilize an egg. This decrease in energy is related to how fast and how much the sperm move. Sperm from species with more competition for fertilization use up more energy during this process. This higher energy use is linked to faster and more intense movement of the sperm.