Search results for "Sperm plasma membrane"
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Sperm Quality Assessment in Honey Bee Drones
2020
The quality of honey bee drone semen is relevant in different contexts, ranging from colony productivity to pathology, toxicology and biodiversity preservation. Despite its importance, considerably less knowledge is available on this subject for the honey bee when compared to other domestic animal species. A proper assessment of sperm quality requires a multiple testing approach which discriminates between the different aspects of sperm integrity and functionality. Most studies on drone semen quality have only assessed a few parameters, such as sperm volume, sperm concentration and/or sperm plasma membrane integrity. Although more recent studies have focused on a broader variety of aspects …
Fertilization in Protozoa and Metazoan Animals: A Comparative Overview
2000
This review aims to summarize the information provided in this book and give an integrated view of the process of fertilization in two different and separate groups of eukaryotic organisms: protozoa and metazoan animals. As a summary/concluding chapter, this essay provides only a schematic synthesis of the topics treated in this book. For specific details, readers are referred to previous sections of this book as well as to the studies cited throughout this chapter. The rapid pace at which the field of fertilization advances, in particular the area of cell signalling, may render some of the concepts and conclusions laid down here obsolete by the time this review leaves the press. Being awar…