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
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716
A team of scientists has revealed an internal clock within live human cells, a finding that creates new opportunities for understanding the building blocks of life and the onset of disease.
General Physics
Sep 11, 2017
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2159
Not just anything is allowed to enter the nucleus, the heart of eukaryotic cells where, among other things, genetic information is stored. A double membrane, called the nuclear envelope, serves as a wall, protecting the contents ...
Biochemistry
Aug 27, 2015
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3197
Researchers at the University of Toronto have discovered a DNA repair mechanism that advances understanding of how human cells stay healthy, and which could lead to new treatments for cancer and premature aging.
Cell & Microbiology
Apr 17, 2024
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145
The secret to preventing or reversing premature aging may be found in a DNA “off switch” that humans share with common yeast, according to new research from the University of Toronto.
Biotechnology
Jun 15, 2011
2
1
Our genetic heritage is contained—and protected—in the nucleus of the cells that compose us. Copies of the DNA exit the nucleus to be read and translated into proteins in the cell cytoplasm. The transit between the nucleus ...
Cell & Microbiology
Sep 27, 2013
0
0
A study has solved a long-standing debate about the transport of essential proteins, implicated in many human diseases, through one of the cell's most complex and sophisticated structures.
Molecular & Computational biology
May 4, 2020
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255
Like an island nation, the nucleus of a cell has a transportation problem. Evolution has enclosed it with a double membrane, the nuclear envelope, which protects DNA but also cuts it off from the rest of the cell. Nature's ...
Cell & Microbiology
Mar 15, 2018
0
126
Misfolded proteins are toxic to cells. They disrupt normal functions and cause some age-related human degenerative diseases, like Alzheimer's, Parkinson's, and Huntington's diseases. Cells work constantly to eliminate misfolded ...
Cell & Microbiology
Apr 20, 2023
0
121
(PhysOrg.com) -- Meiosis - the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell - is a major crossroads in all organisms reproducing sexually. Yet, how the cell precisely ...
Cell & Microbiology
Nov 13, 2009
0
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