(Phys.org)—Researchers at the University of Cincinnati (UC) report that they have solved the crystal structure of a protein involved in holding bacterial cells together in a biofilm, a major development in their exploration ...
Biochemistry
Jan 2, 2013
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Cilia, microscopic whip-like organelles that protrude from the surface of many cell types, are almost ubiquitous. They are present in all eukaryotes—organisms whose cells have a nucleus—and have diversified to perform ...
Biotechnology
Jan 2, 2013
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For humans to grow and to replace and heal damaged tissues, the body's cells must continually reproduce, a process known as "cell division," by which one cell becomes two, two become four, and so on. A key question of biomedical ...
Biotechnology
Dec 20, 2012
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The Wip1 protein is important for survival, but mutations that inactivate it carry some surprising features. "A lack of Wip1 results in an excessive immune reaction to infectious organisms, in some cases killing the host," ...
Cell & Microbiology
Dec 19, 2012
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(Phys.org)—Researchers at Michigan State University have discovered a protein that does its best work with one foot in the grave.
Biochemistry
Dec 12, 2012
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For decades, microbiologists thought that bacteria act individually, unaware of their multitudinous counterparts involved in causing the same infection. In the past two decades, however, they have discovered that many species ...
Cell & Microbiology
Nov 21, 2012
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Notch – the protein that can help determine cell fate – maintains a stable population of basal cells in the prostate through a positive feedback loop system with another key protein – TGF beta (transforming growth factor ...
Cell & Microbiology
Nov 1, 2012
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Bacteria have a bad rap as agents of disease, but scientists are increasingly discovering their many benefits, such as maintaining a healthy gut.
Cell & Microbiology
Oct 24, 2012
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(Phys.org)—To remove waste from cells, a class of membrane-sculpting proteins create vesicles—molecular trash bags—that carry old and damaged proteins from the surface of cellular compartments into internal recycling ...
Cell & Microbiology
Oct 23, 2012
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In a critical breakthrough in unraveling how molecular "motors" ferry proteins and nutrients through cells, Harvard scientists have produced high-resolution images that show how the "foot" of dynein—one of the most complex, ...
Cell & Microbiology
Oct 23, 2012
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