Search results for sperm motility

Plants & Animals Apr 3, 2024

Discovery could end global amphibian fungal pandemic

A fungus devastating frogs and toads on nearly every continent may have an Achilles heel. Scientists have discovered a virus that infects the fungus, and that could be engineered to save the amphibians.

Plants & Animals Feb 17, 2024

Men become less fertile with age, but the same isn't true for all animals: Study

We take it for granted that humans find it more difficult to conceive as they grow older. But our recent study, which analyzed data from 157 animal species, found that male reproductive aging seems to be a lot less common ...

Cell & Microbiology Feb 15, 2024

Application of ultrasound found to greatly speed up motility of human sperm

A team of engineers at Monash University in Australia has found that exposing human sperm to ultrasound can cause them to swim faster. In their study, published in the journal Science Advances, the group exposed human semen ...

Cell & Microbiology Jan 18, 2024

Semen microbiome health may impact male fertility

You may have heard about the gut microbiome and its influence on a person's overall health and well-being. It turns out that the same may hold true for the semen microbiome.

Plants & Animals Jan 17, 2024

Surprise discovery: For most animals, sperm quality does not reduce with age

In humans, male fertility and sperm fitness decline with age, but scientists have made the surprising discovery that this pattern is not consistent in other animals. The findings have been published in the journal Nature ...

Biotechnology Dec 22, 2023

New technology for long-term liquid storage of chicken semen by arresting energy metabolism

Researchers from the University of Tsukuba have developed an advanced refrigerated storage technology that prolongs the fertilization capacity of chicken sperm by arresting the energy metabolism dynamics, achieved through ...

Cell & Microbiology Nov 9, 2023

Study elucidates poorly understood sperm structure, providing insight on infertility

Michigan State University researchers have solved the mystery of a poorly understood sperm structure called the cytoplasmic droplet, or CD. The CD is an expanded cytoplasm—watery, gel-like cell contents enclosed by cell ...

General Physics Nov 6, 2023

Model suggests that mammalian sperm cells have two modes of swimming

A new mathematical model predicts that mammalian sperm cells have two distinct swimming modes. This prediction opens new questions about potential connections between sperm cells' motor activity and their transitions to hyperactivation ...

Cell & Microbiology Nov 6, 2023

Scientists reveal new mechanism for dynamic regulation of manchette microtubules during sperm development

Researchers led by Meng Wenxiang from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences have shown that knocking out of the calmodulin-regulated spectrin-associated protein 1 (CAMSAP 1) ...

Cell & Microbiology Nov 1, 2023

Sperm can adjust their swimming style to adapt to fluctuating fluid conditions

Sperm can modulate their energetics by regulating their flagellar waveform—how the sperm oscillate their tails—in order to adapt to varying fluid environments, potentially optimizing their motility and navigation within ...

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