News tagged with outer membranes

Decoding the molecular machine behind E. coli and cholera

Scientists from Queen Mary, University of London have discovered the workings behind some of the bacteria that kill hundreds of thousands every year, possibly paving the way for new antibiotics that could treat infections ...

Biology / Cell & Microbiology

created Feb 09, 2012 | popularity not rated yet | comments 0 | with audio podcast

Scientists record electrical currents that control male fertility

Performance anxiety? Not for this human sperm.

Medicine & Health / Research

created Dec 29, 2011 | popularity 4.5 / 5 (2) | comments 2

New device creates lipid spheres that mimic cell membranes

A new way of manipulating fluids on microscopic levels brings us one step closer to "bottom-up" artificial cell constructs.

Chemistry / Biochemistry

created Dec 16, 2011 | popularity 1 / 5 (1) | comments 0

Fluorescent probes increase understanding of bacterium's electron transfer

(PhysOrg.com) -- When it comes to transporting a cell's valuable electrons, the metal-reducing microbe Shewanella oneidensis only trusts stable, mature proteins, according to scientists at Pacific Northwest ...

Chemistry / Biochemistry

created Dec 12, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Bacteria responsible for common infections may protect themselves by stealing immune molecules

Bacteria responsible for middle ear infections, pink eye and sinusitis protect themselves from further immune attack by transporting molecules meant to destroy them away from their inner membrane target, according to a study ...

Biology / Cell & Microbiology

created Nov 17, 2011 | popularity not rated yet | comments 0 | with audio podcast

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

Study shows Alzheimer's disease-related peptides form toxic calcium channels in the plasma membrane

Alzheimer's disease is triggered by the inappropriate processing of amyloid precursor protein to generate excess amounts of short peptide fragments called A-beta. For many years, the neurodegeneration associated with Alzheimer's ...

Biology / Cell & Microbiology

created Oct 24, 2011 | popularity not rated yet | comments 0

Glucose uptake relies on newly identified protein

All cells need glucose (sugar) to produce the energy they need to survive. High glucose levels in the bloodstream (such as occur after a meal), trigger the pancreas to produce insulin. In turn, muscle and ...

Medicine & Health / Research

created Sep 06, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Sporulation may have given rise to the bacterial outer membrane: study

(PhysOrg.com) -- Bacteria can generally be divided into two classes: those with just one membrane and those with two. Now researchers at the California Institute of Technology (Caltech) have used a powerful ...

Biology / Cell & Microbiology

created Sep 01, 2011 | popularity not rated yet | comments 0 | with audio podcast

Scavenger cells accomplices to viruses

Mucosal epithelia do not have any receptors on the outer membrane for the absorption of viruses like hepatitis C, herpes, the adenovirus or polio, and are thus well-protected against pathogenic germs. However, certain viruses, ...

Biology / Cell & Microbiology

created Jul 21, 2011 | popularity not rated yet | comments 0

Green and lean: Secreting bacteria eliminate cost barriers for renewable biofuel production

A Biodesign Institute at Arizona State University research team has developed a process that removes a key obstacle to producing low-cost, renewable biofuels from bacteria. The team has reprogrammed photosynthetic ...

Biology / Cell & Microbiology

created May 26, 2011 | popularity not rated yet | comments 1 | with audio podcast

Liquid crystal droplets discovered to be exquisitely sensitive to an important bacterial lipid

(PhysOrg.com) -- In the computer displays of medical equipment in hospitals and clinics, liquid crystal technologies have already found a major role. But a discovery reported from the University of Wisconsin-Madison ...

Chemistry / Materials Science

created May 19, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Cell death pathway linked to mitochondrial fusion

New research led by UC Davis scientists provides insight into why some body organs are more susceptible to cell death than others and could eventually lead to advances in treating or preventing heart attack or stroke.

Biology / Cell & Microbiology

created Jan 24, 2011 | popularity not rated yet | comments 0

Scientists find ideal target for malaria therapy

Scientists at Washington University School of Medicine in St. Louis have identified a protein made by the malaria parasite that is essential to its ability to take over human red blood cells.

Medicine & Health / Research

created Feb 03, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Research on rarely studied cell-receptor regions opens door to eliminating drugs' side effects

Researchers at the Stanford University School of Medicine have taken an early step toward identifying a new approach to drug discovery that may eventually yield drugs with fewer side effects.

Medicine & Health / Research

created Jan 06, 2010 | popularity not rated yet | comments 0 | with audio podcast