News tagged with membrane structure

Speeding up drug discovery with rapid 3-D mapping of proteins

A new method for rapidly solving the three-dimensional structures of a special group of proteins, known as integral membrane proteins, may speed drug discovery by providing scientists with precise targets ...

Chemistry / Biochemistry

created May 30, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Cell membrane is patterned like a patchwork quilt

(Phys.org) -- As the interface between the cell and its environment, the cell membrane, which consists of fats and proteins, fulfils a variety of vital functions. Scientists at the Max Planck Institute of ...

Biology / Cell & Microbiology

created May 05, 2012 | popularity 4.5 / 5 (13) | comments 3 | 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 ...

Chemistry / Biochemistry

created Mar 16, 2012 | popularity 5 / 5 (3) | comments 0

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 ...

Biology / Cell & Microbiology

created Jan 24, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Researchers develop quantum membranes -- a new class of 2D semiconductor

(PhysOrg.com) -- A team of researchers working out of the University of California, Berkeley, has developed an entirely new class of two-dimensional semiconductor made of indium arsenide. Called quantum membranes, ...

Nanotechnology / Nanomaterials

created Nov 14, 2011 | popularity 4.8 / 5 (5) | comments 2 | with audio podcast report

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 ...

Chemistry / Biochemistry

created Nov 14, 2011 | popularity 5 / 5 (1) | comments 0

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.

Chemistry / Biochemistry

created Nov 10, 2011 | popularity not rated yet | comments 0

Orchestrator of waste removal rescues cells that can't manage their trash

Just as we must take out the trash to keep our homes clean and safe, it is essential that our cells have mechanisms for dealing with wastes and worn-out proteins. When these processes are not working properly, unwanted debris ...

Biology / Cell & Microbiology

created Sep 01, 2011 | popularity 5 / 5 (1) | comments 0

Researchers get a first look at the mechanics of membrane proteins

In two new studies, researchers provide the first detailed view of the elaborate chemical and mechanical interactions that allow the ribosome – the cell's protein-building machinery – to insert a ...

Biology / Cell & Microbiology

created Apr 17, 2011 | popularity 5 / 5 (2) | comments 2 | with audio podcast

Proteins find their way with address label and guide

Most newly produced proteins in a cell need to be transported to the proper place before they can be put to work. For proteins to find their way, they have a built-in signal linked to them, a kind of address ...

Biology / Cell & Microbiology

created Feb 23, 2011 | popularity 5 / 5 (1) | comments 0

Scientists crack code of critical bacterial defense mechanism

Scientists have combined chemistry and biology research techniques to explain how certain bacteria grow structures on their surfaces that allow them to simultaneously cause illness and protect themselves from the body's defenses.

Chemistry / Biochemistry

created Apr 25, 2010 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast

Cornell researchers reveal structure of key protein

(PhysOrg.com) -- For the first time, researchers -- all Cornell scientists -- have characterized the structure of a protein that belongs to certain enzymes that are essential for proper functioning in all ...

Biology / Cell & Microbiology

created Apr 21, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Chemical energy influences tiny vibrations of red blood cell membranes

(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 4.9 / 5 (10) | comments 0

Computational microscope peers into the working ribosome (w/ Video)

Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used molecular ...

Biology / Cell & Microbiology

created Nov 23, 2009 | popularity 4.9 / 5 (9) | comments 2

Discovery to aid study of biological structures, molecules

(PhysOrg.com) -- Researchers in the United States and Spain have discovered that a tool widely used in nanoscale imaging works differently in watery environments, a step toward better using the instrument ...

Nanotechnology / Bio & Medicine

created Aug 11, 2009 | popularity 4.3 / 5 (3) | comments 0