News tagged with biological membranes
A cell's first steps: Building a model to explain how cells grow
A collaboration between Lehigh University physicists and University of Miami biologists addresses an important fundamental question in basic cell biology: How do living cells figure out when and where to grow?
May 18, 2012 |
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When dying, bacteria share some characteristics with higher organisms
Do bacteria, like higher organisms, have a built-in program that tells them when to die? The process of apoptosis, or cell death, is an important part of normal animal development. In a new study published March 6 in the ...
Mar 06, 2012 |
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Research shows how the body senses a range of hot temperatures
The winter sun feels welcome, but not so a summer sunburn. Research over the past 20 years has shown that proteins on the surface of nerve cells enable the body to sense several different temperatures. Now scientists have ...
Mar 02, 2012 |
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Optogenetic tool elucidated: Researchers explain channelrhodopsin
Controlling nerve cells with the aid of light: this is made possible by optogenetics. It enables, for example, the investigation of neurobiological processes with unprecedented spatial and temporal precision. The key tool ...
Feb 28, 2012 |
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Researchers discover what cancer cells need to travel
(PhysOrg.com) -- Cancer cells must prepare for travel before invading new tissues, but new Cornell research has found a possible way to stop these cells from ever hitting the road.
Feb 22, 2012 |
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A surprising molecular switch: Lipids help control the development of cell polarity
In a standard biology textbook, cells tend to look more or less the same from all sides. But in real life cells have fronts and backs, tops and bottoms, and they orient many of their structures according to ...
Feb 19, 2012 |
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Rearranging the cell's skeleton: Small molecules at the cell's membrane enable cell movement
Cell biologists at Johns Hopkins have identified key steps in how certain molecules alter a cell's skeletal shape and drive the cell's movement.
Feb 02, 2012 |
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Membrane fusion a mystery no more
The many factors that contribute to how cells communicate and function at the most basic level are still not fully understood, but researchers at Baylor College of Medicine have uncovered a mechanism that helps explain how ...
Jan 24, 2012 |
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Scientists characterize protein essential to survival of malaria parasite
A biology lab at Washington University has just cracked the structure and function of a protein that plays a key role in the life of a parasite that killed 655,000 people in 2010.
Jan 06, 2012 |
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Scientists reveal how bacteria build homes inside healthy cells
(PhysOrg.com) -- Bacteria are able to build camouflaged homes for themselves inside healthy cells - and cause disease - by manipulating a natural cellular process.
Dec 20, 2011 |
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SANS tracks cell death protein invading biomimetic mitochondrial membrane
(PhysOrg.com) -- An international team of biochemists, biophysicists, and neutron scientists are using a combination of fluorescence and small-angle neutron scattering (SANS) techniques to assist biochemists ...
Dec 15, 2011 |
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Researchers uncover new function for cell master regulator
(PhysOrg.com) -- TORC1 is a master regulator in cells, playing a key role in such diverse processes as gene expression and protein synthesis. While previous studies have described the role that TORC1 plays ...
Nov 29, 2011 |
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New technique enables study of 'challenging' proteins
Researchers from Hull, Bristol and Frankfurt have shown that a new technique for identifying molecular structure can be used effectively on small samples of biological proteins, particularly proteins that are targeted for ...
Nov 14, 2011 |
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Finding E. coli’s Achilles heel
(PhysOrg.com) -- Thanks to the work of a Simon Fraser University researcher and two of his students, science is closer to finding a new way of combatting infections caused by Escherichia coli (E. coli) and other related bacteria.
Nov 10, 2011 |
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Researchers identify structure of apolipoprotein
Using a sophisticated technique of x-ray crystallography, researchers Xiaohu Mei, PhD, and David Atkinson, PhD, from Boston University School of Medicine (BUSM) have for the first time obtained an "image" of the structure ...
Nov 04, 2011 |
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