In nature, evolution takes place over eons: A slow accumulation of adaptations gradually produces new traits and species. But evolution can also happen on a small and fast scale in the laboratory.
Biotechnology
May 13, 2010
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A Princeton University-led research team has discovered that protein competition over an important enzyme provides a mechanism to integrate different signals that direct early embryonic development. The work suggests that ...
Biochemistry
Mar 9, 2010
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Cells are not static. They can transform themselves over time — but change can have dangerous implications. Benign cells, for example, can suddenly change into cancerous ones.
Cell & Microbiology
Dec 9, 2009
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Researchers at UAB in collaboration with the University of Stellenbosch, South Africa, have discovered the structure of the PPC descarboxilase (PPCDC) enzyme present in the yeast Saccharomyces cerevisiae, a very important ...
Biochemistry
Nov 4, 2009
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The Stowers Institute's Gerton Lab has provided new evidence to clarify the structure of nucleosomes containing Cse4, a centromere-specific histone protein required for proper kinetochore function, which plays a critical ...
Cell & Microbiology
Sep 28, 2009
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Using yeast genetics and a novel scheme to selectively remove a single protein from the cell division process called meiosis, a cell biologist at The Florida State University found that when a key molecular player known as ...
Cell & Microbiology
Sep 16, 2009
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(PhysOrg.com) -- The secret to fighting often lethal drug resistant fungal infections is to knock out the bug's molecular chaperone, according to U of T researchers.
Cell & Microbiology
Jul 31, 2009
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Whitehead Institute scientists have developed a rapid, inexpensive drug-screening method that could be used to target diseases that until now have stymied drug developers, such as Parkinson's disease. This technique uses ...
Biochemistry
Jul 13, 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 ...
Cell & Microbiology
May 19, 2009
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Special proteins known as prions, which are perhaps best known as the agents of mad cow and other neurodegenerative diseases, can also serve as an important source of beneficial variation in nature, confirms a new study in ...
Cell & Microbiology
Apr 2, 2009
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