Researchers at Karolinska Institutet in Sweden have analyzed all cell types in the human ovary and found that the hotly debated "egg stem cells" do not exist. The results, published in Nature Communications, open the way ...
Cell & Microbiology
Mar 2, 2020
1
422
People who are overweight may have different gut bacteria from those in their slender fellow human beings. This is the contention of Willem de Vos, professor of Microbiology at Wageningen University, The Netherlands, in his ...
Cell & Microbiology
Mar 18, 2011
6
0
A woman's supply of eggs is finite, so it is crucial that the quality of their genetic material is ensured. New work from Carnegie's Marla Tharp, Safia Malki, and Alex Bortvin elucidates a mechanism by which, even before ...
Biotechnology
Jan 16, 2020
0
172
Scientists from the Universities of Regensburg and Mainz and the Max Planck Institute for Chemical Ecology discovered that the eggs of the European beewolf produce nitric oxide. The gas prevents the larvae's food from getting ...
Plants & Animals
Jun 11, 2019
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904
(Phys.org) —The effects of gravity are relevant when building houses or flying airplanes, but biologists have generally accepted that the average cell is too small for gravity to play a role in how it is built or behaves. ...
Cell & Microbiology
Oct 25, 2013
11
0
(Phys.org) —They are the latest foodie fashion and look set to become big business in the baking aisles of all the major supermarkets – the blue egg produced by some chickens is prettier and some say tastier and cleaner-breaking ...
Biotechnology
Aug 20, 2013
0
0
When an egg cell is being formed, the cellular machinery which separates chromosomes is extremely imprecise at fishing them out of the cell's interior, scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, ...
Cell & Microbiology
Aug 18, 2011
0
0
Neil Hunter's laboratory in the UC Davis College of Biological Sciences has placed another piece in the puzzle of how sexual reproduction shuffles genes while making sure sperm and eggs get the right number of chromosomes.
Cell & Microbiology
Feb 13, 2013
2
1
(Phys.org)—Among other things, the egg is optimized to process the sperm genome. The cytoplasmic factors that make this possible also give the egg the ability to reprogram the nuclei from other kinds of cells if these nuclei ...
As part of a "Lazarus Project" to try to bring the Australian gastric-brooding frog back from extinction a UNSW-led team has succeeded in producing early stage cloned embryos containing the DNA of the frog, which died out ...
Plants & Animals
Mar 15, 2013
3
0
