Results 121 to 130 of about 26,981 (241)

Targeting and fusion proteins during mammalian spermiogenesis

Biological Research, 2001
Regulated exocytosis is controlled by internal and external signals. The molecular machinery controlling the sorting from the newly synthesized vesicles from the Golgi apparatus to the plasma membrane play a key role in the regulation of both the number ...
JOÃO RAMALHO-SANTOS, RICARDO D. MORENO
doaj  

Semen quality characteristics of Koekoek breeder cocks influenced by supplemental inclusion levels of onion and garlic mixture at 35-41 weeks of age

Revista Brasileira de Zootecnia
An experiment was conducted to determine the effect of varying dietary supplemental inclusion levels of onion and garlic mixture on semen quality characteristics of Koekoek breeder cocks aged 35-41 weeks.
Victor Mela Obinna Okoro, Christian Anayochukwu Mbajiorgu, Ejikeme Felix Mbajiorgu   +2 more
doaj   +1 more source

Seminal Extracellular Vesicles as Molecular Modulators of Male Reproductive Function

Reproduction in Domestic Animals, Volume 61, Issue S3, October 2026.
ABSTRACT Extracellular vesicles (sEVs) contained in seminal plasma (SP) maintain, in concert with free SP‐components (proteins, hormones, cytokines, metabolites and antioxidants) under an endocrine umbrella the functional in vivo homeostasis of ejaculated spermatozoa. The sEVs define a generic mixture of nanovesicles delivered by male epithelial cells,
Heriberto Rodriguez‐Martinez, Jordi Roca, Fernando Peña Vega, Emilio A. Martinez   +3 more
wiley   +1 more source

Acrosome biogenesis: Revisiting old questions to yield new insights

, 2011
The acrosome is a unique membranous organelle located over the anterior part of the sperm nucleus that is highly conserved throughout evolution. This acidic vacuole contains a number of hydrolytic enzymes that, when secreted, help the sperm penetrate the
C. Paiardi, Giovanna Berruti, Chiara Paiardi, G. Berruti   +3 more
core   +1 more source

Immunolocalisation of PDE10A in acrosome intact and acrosome reacted ejaculated bull spermatozoa.

, 2016
Washed spermatozoa were fixed with formaldehyde and permeabilized with Triton X-100. They were next incubated overnight with a monoclonal anti-PDE10A antibody (clone 3G9; A-F) or a commercial non-immune mouse IgG at the same concentration (G-I). Panels A,
Loïze Maréchal (3070584), Hassan El Hajj (3070578), Marie-Ève Tremblay (206985), Pierre Leclerc (83887), Serge Goupil (3070581), François J. Richard (430437)   +5 more
core   +1 more source

Modificación de la estructura espermática de la jaiba Cancer setosus (Molina, 1782) (Decapoda: Brachyura) durante su reacción acrosomal inducida Modifícation of the spermatic structure of the crab Cancer setosus (Molina, 1782) (Decapoda: Brachyura) during induced acrosomal reaction

Latin American Journal of Aquatic Research, 2011
El espermatozoide de Cancer setosus está compuesto de un acrosoma esférico y un núcleo en forma de copa que rodea la mitad basal del acrosoma que se ensancha en la zona ecuatorial del acrosoma.
Merari Goldstein, Enrique Dupré
doaj  

Frozen Boar Semen Can Be Successfully Stored at −80°C, Reducing Need for LN2 Storage Containers

Reproduction in Domestic Animals, Volume 61, Issue S3, October 2026.
ABSTRACT This study explores alternative freezing approaches aimed at reducing or avoiding the use of liquid nitrogen (LN2) to store boar semen. Sperm‐rich fractions from three boars were pooled and frozen in 0.25‐ and 0.5‐mL straws using four different protocols: a conventional method (Control; LN2 vapours followed by immersion and storage in LN2 ...
A. Lopez‐Jara, X. Toptsikioti, M. Garcia‐Canovas, C. Cuello, M. A. Gil, H. Rodriguez‐Martinez, E. A. Martinez, I. Parrilla   +7 more
wiley   +1 more source

Effect of anti-p14 antibody on acrosome reaction of cauda spermatozoa monitored by Rose Bengal staining method.

, 2013
Acrosome reaction was carried out under the standard assay conditions and the cells after staining with Rose Bengal were observed under microscope at 1,000× magnification. Sperm cells treated with anti-p14 antibody.
Pinki Nandi (334552), Kuladip Jana (334554), Swatilekha Ghosh (334553), Parimal C. Sen (334555)   +3 more
core   +1 more source

acrosome

Citation: 'acrosome' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.10333 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms. Requests for commercial usage
openaire   +1 more source

Comparative Susceptibility of Donkey and Horse Sperm to Liquid‐Storage Temperature

Reproduction in Domestic Animals, Volume 61, Issue S3, October 2026.
ABSTRACT Preservation protocols for donkey sperm are based on those developed for horses, despite potential interspecific differences in cooling tolerance. This study compared horse and donkey sperm during long‐term storage at 5°C and 17°C. Ejaculates from four stallions and four jacks (n = 16) were centrifuged, resuspended in skimmed milk‐based ...
Pilar Vallejo‐Soto, Antonio González Ariza, Blenda R. N. Vilela, Carlos Montero‐Palma, Rocío Rodríguez González‐Miranda, Verónica Pérez‐Aguilera, Francisco Crespo‐Castejón, Manuel Hidalgo, Jesús Dorado, Isabel Ortiz   +9 more
wiley   +1 more source