Results 1 to 10 of about 32,366 (262)

Structural specializations of the sperm tail [PDF]

open access: yesCell, 2023
Sperm motility is crucial to reproductive success in sexually reproducing organisms. Impaired sperm movement causes male infertility, which is increasing globally. Sperm are powered by a microtubule-based molecular machine-the axoneme-but it is unclear how axonemal microtubules are ornamented to support motility in diverse fertilization environments ...
Tzviya Zeev-Ben-Mordehai, Xiangli Wang
exaly   +7 more sources

Di (2-ethylhexyl) phthalate reduces sperm motility by decreasing sperm tail energy supply

open access: yesEcotoxicology and Environmental Safety
Di (2-ethylhexyl) phthalate (DEHP) is widespread in the environment. It can impair sperm function through damaging the sperm development process. However, few studies have focused on the sperm tail that is directly related to sperm motility.
Xiao-lu Li   +13 more
exaly   +3 more sources

Genetic mutation of Cep76 results in male infertility due to abnormal sperm tail composition [PDF]

open access: yesLife Science Alliance
This study explores the role of CEP76 in male fertility via its predicted role in establishing a functional transition zone that mediates protein entry into the sperm tail.
Brendan J Houston   +9 more
doaj   +2 more sources

TENT5C extends Odf1 poly(A) tail to sustain sperm morphogenesis and fertility [PDF]

open access: yesNature Communications
Changes in the poly(A) tail length of Odf1 and other transcripts critical for male fertility have been linked to translational activation during sperm formation1–3.
Marine Baptissart   +6 more
doaj   +2 more sources

Pogonias courbina sperm characteristcs in its first reproductive season [PDF]

open access: yesPeerJ, 2023
Southern black drum (Pogonias courbina) is a species distributed along the western Atlantic Ocean, and it is the largest Sciaenidae observed in the coast of Rio Grande do Sul state, Brazil.
Jhony Lisboa Benato   +13 more
doaj   +2 more sources

#35 : Tail-First Sperm Injection Significantly Improved the Fertilization Rates More Than the Head-First Sperm Injection Regardless of the Elasticity of the Oocyte Membrane Following Piezo-ICSI

open access: yesFertility & Reproduction, 2023
Background and Aims: Little information is available for investigating the effect of the direction of sperm injected into the cytoplasm on clinical results for human oocytes following intracytoplasmic sperm injection (ICSI).
Kenichiro Hiraoka   +10 more
doaj   +1 more source

Sperm tail beating

open access: yes, 2022
The project aims to measure and analyze the change of angle between cell and sperm cell during their interaction. The program allows interactively selecting the cell of interest to measure using napari Viewer. Requirements are specified in requirements.txt. Developed in IMCF in Biocev, Czech Republic.
Komrsková Kateřina   +3 more
openaire   +4 more sources

RAB-like 2 has an essential role in male fertility, sperm intra-flagellar transport, and tail assembly. [PDF]

open access: yesPLoS Genetics, 2012
A significant percentage of young men are infertile and, for the majority, the underlying cause remains unknown. Male infertility is, however, frequently associated with defective sperm motility, wherein the sperm tail is a modified flagella/cilia ...
Jennifer C Y Lo   +13 more
doaj   +1 more source

Relationship of field and in vitro fertility of dairy bulls with sperm parameters, including DAG1 and SERPINA5 proteins

open access: yesFrontiers in Animal Science, 2023
IntroductionSperm interacts with the female reproductive tract and oocyte through proteins, and these cell-to-cell interactions may play a role in sperm fertility.
Saulo Menegatti Zoca   +13 more
doaj   +1 more source

The missing linker between SUN5 and PMFBP1 in sperm head-tail coupling apparatus

open access: yesNature Communications, 2021
The sperm head-to-tail coupling apparatus ensures sperm head-tail integrity, but mechanistic insights remain limited. Here the authors demonstrate that CENTLEIN links and controls the interaction between SUN5 and PMFBP1, indicating that its impairments ...
Ying Zhang   +5 more
doaj   +1 more source

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