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Search results for fission yeast
Cohesin jigsaw begins to fit
May 19, 2009 |
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The essential chromosomal protein complex cohesin has crucial roles in sister chromatid cohesion, DNA repair and transcriptional regulation. Despite its conserved function, cohesin's disparate association patterns in different ...
Clues about controlling cholesterol rise from yeast studies
Biology /
Dec 02, 2008 |
4 / 5 (3) |
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Having discovered how a lowly, single-celled fungus regulates its version of cholesterol, Johns Hopkins researchers are gaining new insight about the target and action of cholesterol-lowering drugs taken daily by millions ...
Active mechanism locks in the size of a cell's nucleus
Biology /
Dec 24, 2007 |
4.3 / 5 (3) |
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Cells know that size matters, especially when it comes to the nucleus. In the early 1900s, German scientists first proposed that the size of a nucleus is always proportional to the size of its cell. Now, more than a century ...
Yeast mimics severity of mutations leading to fatal childhood illness
Biology /
Dec 22, 2008 |
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Scientists report that human gene mutations expressed in yeast cells can predict the severity of Batten Disease, a fatal nervous system disorder that begins during childhood. The new study published in Disease Models & Me ...
Lab identifies elusive telomere RNA subunit in single cell model
Biology /
Dec 27, 2007 |
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The Stowers Institute’s Baumann Lab has identified the long-sought telomerase RNA gene in a single-cell research model. Their findings have been posted to the Web site of the journal Nature Structural & Molecular Biology and wi ...
New clues about mitochondrial 'growth spurts'
Mar 02, 2009 |
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Mitochondria are restless, continually merging and splitting. But contrary to conventional wisdom, the size of these organelles depends on more than fusion and fission, as Berman et al. show. Mitochondrial ...
An architectural plan of the cell
Biology /
Mar 06, 2007 |
4.6 / 5 (12) |
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Like our body every cell has a skeleton that provides it with a shape, confers rigidity and protects its fragile inner workings. The cytoskeleton is built of long protein filaments that assemble into networks ...
With no plan for DNA replication, cells depend on random selection
Biology /
Feb 06, 2007 |
4.3 / 5 (7) |
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Each time a human cell divides it has to replicate three billion base pairs of DNA. All of the cell’s DNA must be copied once, but not more than once, within a very short period of time. But new research in yeast from Rockefeller ...
Important Tests for Lunar Habitat Power System Began
Space & Earth / Space Exploration
Feb 20, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- NASA today begins testing elements of a power system that is a potential candidate to provide the energy needed to support a human outpost on the moon.
NASA Developing Fission Surface Power Technology
Space & Earth / Space Exploration
Sep 11, 2008 |
4.3 / 5 (18) |
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(PhysOrg.com) -- NASA astronauts will need power sources when they return to the moon and establish a lunar outpost. NASA engineers are exploring the possibility of nuclear fission to provide the necessary ...
How molecular muscles help cells divide
Biology /
Dec 14, 2007 |
4.8 / 5 (5) |
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Time-lapse videos and computer simulations provide the first concrete molecular explanation of how a cell flexes tiny muscle-like structures to pinch itself into two daughter cells at the end of each cell division, according ...
Spotted hyenas can increase survival rates by hunting alone
Biology /
Jul 16, 2008 |
5 / 5 (1) |
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Recent research by Michigan State University doctoral student Jennifer Smith has shed new light on the way spotted hyenas live together and – more importantly – hunt for their food alone.
Nuclear fusion-fission hybrid could contribute to carbon-free energy future
Jan 27, 2009 |
4.5 / 5 (37) |
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Physicists at The University of Texas at Austin have designed a new system that, when fully developed, would use fusion to eliminate most of the transuranic waste produced by nuclear power plants.
Scientists develop method for comprehensive proteome analysis
Apr 08, 2009 |
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Investigators at Burnham Institute for Medical Research (Burnham) have deciphered a large percentage of the total protein complement (proteome) in Schizosaccharomyces pombe (S. pombe) fission yeast.
When proteins change partners
Sep 11, 2009 |
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Dieter Wolf, M.D., and colleagues at Burnham Institute for Medical Research (Burnham) have illuminated how competition between proteins enhances combinatorial diversity during ubiquitination (the process that marks proteins ...
