Researchers have shown for the first time that embryonic cells destined to become either egg or sperm rely on different methods of repressive gene regulation.
Cell & Microbiology
Dec 9, 2021
0
39
Fruit flies (Drosophila) are important model organisms for biological research. Molecular tools exist that can turn on (or induce) gene expression in fruit flies, allowing researchers to learn more about the functions of ...
Plants & Animals
Nov 26, 2021
0
256
Whenever an organism develops and forms organs, a tumor creates metastases or the immune system becomes active in inflammation, cells migrate within the body. As they do, they interact with surrounding tissues which influence ...
Cell & Microbiology
Jan 7, 2021
1
46
A team led by UT Southwestern has derived a new "intermediate" embryonic stem cell type from multiple species that can contribute to chimeras and create precursors to sperm and eggs in a culture dish.
Cell & Microbiology
Dec 3, 2020
0
218
Early in mammalian embryonic development, long before the organism's ultimate form has taken shape, a precious subset of its cells are set aside for future use in creating offspring. This task bestows on that subset of cells ...
Molecular & Computational biology
Nov 22, 2019
0
70
Hens that cannot produce their own chicks have successfully acted as surrogates for rare chicken breeds.
Ecology
Oct 1, 2019
0
15
Scientists at the CECAD Cluster of Excellence in Aging Research of the University of Cologne have discovered that body cells which are in direct contact with the germ cells in the nematode Caenorhabditis elegans are responsible ...
Cell & Microbiology
Jul 24, 2019
0
206
Molecules called endosiRNAs help us avoid genetic chaos, according to a new study from a team at the Babraham Institute. Much of the human genome contains pieces of DNA called transposons, a form of genetic parasite. When ...
Biotechnology
Nov 2, 2017
0
14
Scientists have shown how the precursors of egg and sperm cells – the cells that are key to the preservation of a species – arise in the early embryo by studying pig embryos alongside human stem cells.
Cell & Microbiology
Jun 8, 2017
0
12
In living beings, from roundworms to humans, some cells may ball up unwanted contents on their surfaces for other cells to "eat." This is the finding of a study led by researchers at NYU Langone Medical Center and published ...
Cell & Microbiology
Nov 14, 2016
0
246
