L. Ramió-Lluch

TL;DR: Results suggest that the boar-sperm nuclear structure is heterogeneous suggesting the existence of a zonated pattern, differing in their total DNA density and the compactness of the precise nucleoprotein structures present in each zone.

TL;DR: This work analysed intracellular calcium stores of boar spermatozoa subjected to ‘in vitro’ capacitation (IVC) and subsequent progesterone‐induced acrosome exocytosis (IVAE) to suggest that boar semen present different calcium deposits with a dynamic equilibrium among them and with the extracellular environment.

TL;DR: Results suggest the presence of separate sperm subpopulations, which show a different mitochondrial sensitivity to IVC and IVAR, and mitochondrial activation, at least under JC-1 staining, seems to originate in concrete nucleation points at the midpiece, suggesting thus a well-coordinated pattern in boar-sperm mitochondrial activity modulation.

TL;DR: The results suggest that the oligomycin A-sensitive mitochondrial ATP-synthase activity is instrumental in the achievement of an adequate boar sperm motion pattern, IVC and IVAE, however, this effect seems not to be linked to changes in the overall maintenance of adequate energy levels in stages other than IVAE.

TL;DR: The results indicate that monosaccharides act as signalling compounds in dog spermatozoa after ejaculation through changes in the phosphorylation levels of specific proteins.