Cells contain machinery that duplicates DNA into a new set that goes into a newly formed cell. That same class of machines, called polymerases, also build RNA messages, which are like notes copied from the central DNA repository ...
Molecular & Computational biology
Jun 11, 2021
39
12351
Researchers at ETH Zurich recently identified a previously unknown compartment in mammalian cells. They have named it the exclusome. It is made up of DNA rings known as plasmids. The researchers have published details of ...
Cell & Microbiology
Oct 2, 2023
0
716
Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.
Cell & Microbiology
May 10, 2012
1
0
The sled dog Balto has been celebrated in books and movies for his role in delivering desperately needed diphtheria antitoxin to Nome, Alaska, in 1925. Now, his DNA has enabled scientists to explore the genetics of 1920s ...
Evolution
Apr 27, 2023
0
3816
Scientists from the UCLA Jonsson Comprehensive Cancer Center have developed a simple, high-throughput method for transferring isolated mitochondria and their associated mitochondrial DNA into mammalian cells. This approach ...
Cell & Microbiology
Dec 29, 2020
2
254
The gut microbiome—the population and variety of bacteria within the intestine—is thought to influence a number of behavioral and disease traits in humans. Most obviously, it affects intestinal health. Cancer, inflammatory ...
Cell & Microbiology
Oct 16, 2023
0
82
Many animals, including humans, have internal clocks and calendars to help them regulate behavior, physiological functions and biological processes. Although scientists have extensively studied the timekeeping mechanisms ...
Biotechnology
Sep 23, 2013
0
0
MIT researchers have shown that they can turn genes on or off inside yeast and human cells by controlling when DNA is copied into messenger RNA—an advance that could allow scientists to better understand the function of ...
Biotechnology
Sep 3, 2013
0
0
Over the past 100 million years, mammals have adapted to nearly every environment on Earth. Scientists with the Zoonomia Project have been cataloging the diversity in mammalian genomes by comparing DNA sequences from 240 ...
Evolution
Apr 27, 2023
0
581
Researchers from the University of North Carolina at Chapel Hill have helped identify a new DNA entity in mammalian cells and provided evidence that their generation leaves behind deletions in different locations of the cells’ ...
Biotechnology
Mar 13, 2012
1
0
