'Space pups': Mouse sperm stored on ISS produces healthy young
Turns out the comic books were wrong.
Molecular & Computational biology
Jun 12, 2021
11
244
News tagged with reproductive cells
Sex cells in parasites are doing their own thing
Researchers at the University of Bristol have discovered how microbes responsible for human African sleeping sickness produce sex cells.
Cell & Microbiology
May 11, 2021
0
9
Egg and sperm cell size evolved from competition
In most living animals, egg cells are vastly larger than sperm cells. In humans, for example, a single egg is 10 million times the volume of a sperm cell.
Evolution
Apr 16, 2021
0
51
How to tame a restless genome
Short pieces of DNA—jumping genes—can bounce from one place to another in our genomes. When too many DNA fragments move around, cancer, infertility, and other problems can arise. Cold Spring Harbor Laboratory (CSHL) Professor ...
Cell & Microbiology
Apr 8, 2021
0
38
Cryptic sex: How female and unisexual animals reproduce without males
Not all species need sperm to fertilize an egg for sexual reproduction. Some species need sperm in order to induce completion of egg nucleus development, but then never use the sperm's DNA. I describe how this self-sexual ...
Plants & Animals
Feb 19, 2021
0
7
3-D printing resins in dental devices may be toxic to reproductive health
Two commercially available 3-D-printable resins, which are marketed as being biocompatible for use in dental applications, readily leach compounds into their surroundings. These compounds can induce severe toxicity in the ...
Materials Science
Jan 28, 2021
0
17
Eight genes enough to convert mouse stem cells into oocyte-like cells
In a new study published in the journal Nature, researchers in Japan report that activating just eight genes for producing gene-controlling proteins is enough to convert mouse stem cells directly into oocyte-like cells that ...
Biotechnology
Dec 16, 2020
0
82
Reproduction key to maintenance of marimo shape
The marimo is the aggregative form of the freshwater alga Aegagropila linnaei. In Japan, Lake Akan in Hokkaido is the best known habitat of the marimo. It is so emblematic of the lake and surrounding region that it has been ...
Plants & Animals
Dec 3, 2020
0
4
Molecular 'barcode' helps decide which sperm will reach an egg
A protein called CatSper1 may act as a molecular 'barcode' that helps determine which sperm cells will make it to an egg and which are eliminated along the way.
Cell & Microbiology
Dec 1, 2020
0
7
New research explores horizontal gene transfer
In science, as in life, timing can be everything.
Evolution
Jun 3, 2020
1
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