Most cells rely on structural tethers to position chromosomes in preparation for cell division. Not so oocytes. Instead, a powerful intracellular stream pushes chromosomes far-off the center in preparation for the highly ...
Cell & Microbiology
Aug 28, 2011
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Researchers at the University of California, San Francisco and the Stowers Institute for Medical Research have discovered that planarians, tiny flatworms fabled for their regenerative powers, completely lack centrosomes, ...
Cell & Microbiology
Jan 5, 2012
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Building functional synthetic cells from the bottom-up is an ongoing effort of scientists around the globe. Their use in studying cellular mechanisms in a highly controlled and pre-defined setting creates great value for ...
Biochemistry
Jun 21, 2022
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266
When an egg cell is being formed, the cellular machinery which separates chromosomes is extremely imprecise at fishing them out of the cell's interior, scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, ...
Cell & Microbiology
Aug 18, 2011
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Researchers at the Louisiana State University Health Sciences Center have figured out how ATP is broken down in cells, providing for the first time a clear picture of the key reaction that allows cells in all living things ...
Biochemistry
Mar 1, 2010
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(Phys.org) —By studying a gene in yeast, a team of scientists has found that modifications to histones—proteins associated with DNA—can control whether or not a gene is allowed to function and may be important in maintaining ...
Biotechnology
Aug 6, 2013
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(PhysOrg.com) -- New active substances can be produced quickly and efficiently with the help of reaction cascades. Once set in motion, these processes lead to the desired end product via a series of intermediate steps which ...
Biochemistry
Dec 26, 2011
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Certain parts of DNA are highly mobile and their dynamic motion participates in controlling gene expression. The research team working under Maria-Elena Torres-Padilla, an Inserm research director at the Institute of Genetics ...
Cell & Microbiology
Oct 10, 2013
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In a study published in Nucleic Acids Research, the team of cancer researcher Francis Rodier, an Université de Montréal professor, shows for the first time that cellular senescence, which occurs when aging cells stop dividing, ...
Cell & Microbiology
Nov 9, 2021
0
218
(PhysOrg.com) -- Before any cell - healthy or cancerous - can divide, it has to replicate its DNA. So scientists who want to know how normal cells work - and perhaps how to stop abnormal ones - are keen to understand this ...
Cell & Microbiology
Mar 6, 2012
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