Natural selection has produced mammals that age at dramatically different rates. Take, for example, naked mole rats and mice; the former can live up to 41 years, nearly ten times as long as similar-size rodents such as mice.
Cell & Microbiology
May 31, 2022
0
73
The first study to compare the accumulation of mutations across many animal species has shed new light on decades-old questions about the role of these genetic changes in aging and cancer. Researchers from the Wellcome Sanger ...
Molecular & Computational biology
Apr 13, 2022
0
97
RIKEN biologists have mapped out key features of the chromosomal landscape that lock in the identity of stem cells that give rise to the mouse placenta. This could aid research into placental function and reproductive medicine.
Cell & Microbiology
Apr 1, 2022
0
41
A group of Japanese and American researchers found that the Ptychodera flava, a worm-like marine organism capable of regenerating its entire head or body, draws on reprogramming-based mechanisms that help somatic cells in ...
Evolution
Feb 15, 2022
0
513
Chromosomes occupy specific regions of the cell nucleus called chromosome territories. In somatic cells, scientists have observed that there is a correlation between this positioning and genome regulation. In fact, alterations ...
Cell & Microbiology
Jul 30, 2021
0
438
Researchers from Ernst Federal Science Center for Animal Husbandry, Skoltech, Moscow State University and their colleagues have produced the first viable cloned calf in Russia—and she recently turned one. In a related experiment, ...
Biotechnology
Jul 5, 2021
0
8
A team led by a biomedical scientist at the University of California, Riverside, has developed a new RNA-sequencing method— "Panoramic RNA Display by Overcoming RNA Modification Aborted Sequencing," or PANDORA-seq—that ...
Biotechnology
Apr 5, 2021
0
189
Because human females have two X chromosomes and males have one X and one Y, somatic cells have special mechanisms that keep expression levels of genes on the X chromosome the same between both sexes. This process is called ...
Biotechnology
Mar 9, 2021
0
20
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
Telomeres are specialized structures at the end of chromosomes which protect our DNA and ensure healthy division of cells. According to a new study from researchers at the Francis Crick Institute published in Nature, the ...
Cell & Microbiology
Nov 25, 2020
0
97
