USC postdoctoral researcher Xi Chen knows that you have to break a few eggs in order to grow chicken stem cells. His work on maintaining embryonic stem cells (ESC) from chicken eggs provides insight into stem cell pluripotency ...
Biotechnology
Mar 8, 2021
0
107
Egg cells are by far the largest cells produced by most organisms. In humans, they are several times larger than a typical body cell and about 10,000 times larger than sperm cells.
Molecular & Computational biology
Mar 5, 2021
0
27
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
Egg cells start out as round blobs. After fertilization, they begin transforming into people, dogs, fish, or other animals by orienting head to tail, back to belly, and left to right. Exactly what sets these body orientation ...
Cell & Microbiology
Feb 4, 2021
4
1630
What causes brain concussions? Is it direct translational or rotational impact? This is one of the research areas currently being explored by Qianhong Wu's lab at Villanova University.
General Physics
Jan 19, 2021
0
118
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
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
Mothers leave their mark on their children in many ways—and WEHI researchers have discovered a protein called SMCHD1 is involved in this 'imprinting' process.
Biotechnology
Nov 23, 2020
0
1082
Cells move constantly throughout our bodies, performing myriad operations critical to tissue development, immune responses and general wellbeing. This bustle is guided by chemical cues long studied by scientists interested ...
Cell & Microbiology
Nov 20, 2020
0
151
The exchange of DNA between chromosomes during the early formation of sperm and egg cells normally is limited to assure fertility.
Biotechnology
Oct 8, 2020
0
33
