Rosario Velazquez

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

1 INTRODUCTION Capacitation entails several molecular and physiological changes in sperm cells, which are essential for successful gamete fusion.1 Some of these changes, such as the development of a high amplitude and asymmetric movement known as hyperactivation or the increment of tyrosine phosphorylation, seem to require an extra energy supply.2 The two main metabolic pathways involved in energy production in the form of adenosine triphosphate (ATP) in spermatozoa are oxidative...