News tagged with cellular membrane

Quality-control mechanism found in bacteria

(Phys.org) -- Like quality-control managers in factories, bacteria possess built-in machinery that track the shape and quality of proteins trying to pass through their cytoplasmic membranes, Cornell biomolecular engineers ...

Aug 03, 2012
5 / 5 (1) 0 | with audio podcast

Cell protein interactions favor fats

For cells to signal each other to carry out their vital work, could the cell membrane's lipids -- or fats -- play a role in buttering-up the process? A research group led by University of Illinois at Chicago chemistry professor ...

Mar 22, 2012
5 / 5 (1) 0 | with audio podcast

Another piece of the ion pump puzzle

From bacteria to humans, all cells use molecules of adenosine triphosphate (ATP) as fuel to power a broad range of biochemical reactions. For example, massive multi-subunit enzymes known as V-ATPases convert ...

Mar 16, 2012
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How muscle cells seal their membranes

Every cell is enclosed by a thin double layer of lipids that separates the distinct internal environment of the cell from the extracellular space. Damage to this lipid bilayer, also referred to as plasma membrane, ...

Mar 14, 2012
3.3 / 5 (3) 0

Deciphering the mechanism of an ion pump

From an analysis of the sodium-transporting vacuolar ATPases (V-ATPases) of the bacterium Enterococcus hirae, Takeshi Murata of the RIKEN Systems and Structural Biology Center, Yokohama, and colleagues recently ...

Dec 16, 2011
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