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Bundle formation of sperm: Influence of environmental factors.


ABSTRACT: Cooperative behaviour of sperm is one of the mechanisms that plays a role in sperm competition. It has been observed in several species that spermatozoa interact with each other to form agglomerates or bundles. In this study, we investigate the effect of physical and biochemical factors that will most likely promote bundle formation in bull sperm. These factors include fluid viscosity, swim-up process, post-thaw incubation time and media additives which promote capacitation. While viscosity does not seem to influence the degree of sperm bundling, swim-up, post-thaw migration time and suppressed capacitation increase the occurrence of sperm bundles. This leads to the conclusion that sperm bundling is a result of hydrodynamic and adhesive interactions between the cells which occurs frequently during prolonged incubation times.

SUBMITTER: Morcillo I Soler P 

PROVIDER: S-EPMC9591104 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Bundle formation of sperm: Influence of environmental factors.

Morcillo I Soler Paula P   Hidalgo Carlos C   Fekete Zoltán Z   Zalanyi Laszlo L   Khalil Islam S M ISM   Yeste Marc M   Magdanz Veronika V  

Frontiers in endocrinology 20221010


Cooperative behaviour of sperm is one of the mechanisms that plays a role in sperm competition. It has been observed in several species that spermatozoa interact with each other to form agglomerates or bundles. In this study, we investigate the effect of physical and biochemical factors that will most likely promote bundle formation in bull sperm. These factors include fluid viscosity, swim-up process, post-thaw incubation time and media additives which promote capacitation. While viscosity does  ...[more]

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