Using supercomputer-driven dynamic modeling based on experimental data, researchers can now probe the process that turns off one X chromosome in female mammal embryos. This new capability is helping biologists understand ...
Molecular & Computational biology
Oct 4, 2021
0
247
All 10 trillion cells in the adult human body are genetically identical, but develop into distinct cell types, such as muscle cells, skin cells or neurons, by activating some genes while inhibiting others. Remarkably, each ...
Cell & Microbiology
Dec 12, 2011
0
0
A study published today in the journal eLife has shown that a protein called Astrin is important for the timely and even separation of chromosomes during cell division.
Molecular & Computational biology
Dec 27, 2019
0
130
A team of Spanish and Portuguese researchers has carried out molecular genetic analysis of the Y chromosome (transmitted only by males) of the aboriginal population of the Canary Islands to determine their origin and the ...
Evolution
Oct 21, 2009
0
0
It was long thought that during an embryo's first cell division, one spindle is responsible for segregating the embryo's chromosomes into two cells. EMBL scientists now show that there are actually two spindles, one for each ...
Cell & Microbiology
Jul 12, 2018
0
165
Scientists have discovered that the genomes of marine invertebrates have been surprisingly stable across deep time. Published in Science Advances, this new study provides an overarching analysis of distantly related animal ...
Evolution
Feb 3, 2022
0
102
As chromosomes go, X and Y make an unlikely pair. The X is large and contains thousands of genes critical for life. The Y, by contrast, is little more than a nub. Its main purpose is to provide the instructions for initiating ...
Biotechnology
May 28, 2020
4
93
Promiscuous females may be the key to a species' survival, according to new research by the Universities of Exeter and Liverpool. Published today (25 February) in Current Biology, the study could solve the mystery of why ...
Plants & Animals
Feb 25, 2010
0
0
In a study to be published in the journal Nature, two Dartmouth researchers have found that the protein cyclin A plays an important but previously unknown role in the cell division process, acting as a master controller to ...
Cell & Microbiology
Sep 11, 2013
0
0
(PhysOrg.com) -- The dance of cell division is carefully choreographed and has little room for error. Paired genetic information is lined up in the middle of the cell in the form of chromosomes. The chromosomes must then ...
Cell & Microbiology
Nov 25, 2010
0
0
