Over the past several years, Rong Li, Ph.D., at the Stowers Institute for Medical Research has been making crucial discoveries about the development of cell polarity—the process by which one side of a cell becomes different ...
Cell & Microbiology
Jan 22, 2013
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New York University biologists have identified how a vital protein is loaded by others into the centromere, the part of the chromosome that plays a significant role in cell division. Their findings shed new light on genome ...
Cell & Microbiology
Dec 24, 2012
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Chromosomes - long, linear DNA molecules – are capped at their ends with special DNA structures called telomeres and an assortment of proteins, which together act as a protective sheath. Telomeres are maintained through ...
Cell & Microbiology
Nov 21, 2012
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The yeast used to make beer has yielded what may be the first gene for beer foam, scientists are reporting in a new study. Published in ACS' Journal of Agricultural and Food Chemistry, the discovery opens the door to new ...
Biotechnology
Oct 31, 2012
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Most proteins have a single 'correct' way to fold; typically, improperly folded proteins are promptly eliminated by cells. However, certain misfolded proteins have a tendency to aggregate in dense fibrous clumps known as ...
Cell & Microbiology
Oct 5, 2012
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(Phys.org)—Purdue University scientists have determined that a gene long known to be involved in cancer cell formation and chemotherapy resistance is key to proper RNA creation, an understanding that could one day lead ...
Biochemistry
Sep 12, 2012
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Two opposing teams battle it out to regulate gene expression on the DNA playing field. One, the activators, keeps DNA open to enzymes that transcribe DNA into RNA. Their repressor opponents antagonize that effort by twisting ...
Cell & Microbiology
Aug 26, 2012
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The first step in gene expression is the exact copying of a segment of DNA by the enzyme known as RNA polymerase II, or pol II, into a mirror image RNA. Scientists recognize that pol II does not transcribe RNA via a smooth ...
Biotechnology
Aug 22, 2012
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University of Sheffield scientists have decoded the processes which create proteins in all forms of life which - for the first time - opens the door to fixing these problems which can cause fatal health problems like Motor ...
Biotechnology
Aug 14, 2012
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Amyloid fibers are protein aggregates associated with numerous neurodegenerative diseases, including Parkinson's disease, for which there are no effective treatments.
Biochemistry
Jun 19, 2012
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