News tagged with outer membrane

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Tiny injector to speed development of new, safer, cheaper drugs

Tiny injector to speed development of new, safer, cheaper drugs

Chemistry / Analytical Chemistry

created Nov 04, 2009 | popularity 4.8 / 5 (4) | comments 0

It's no bigger than a stamp packet but it has the potential to allow rapid development of a new generation of drugs and genetic engineering organisms, and to better control in-vitro fertilization.


Why does aspirin increase the susceptibility of Helicobacter pylori to antimicrobials?

Medicine & Health / Other

created Mar 03, 2009 | popularity 5 / 5 (1) | comments 0

Resent studies reported that aspirin inhibited the growth of H. pylori in a dose-dependent manner and significantly affected the activity of virulence factors of H. pylori. In addition, aspirin increased the susceptibilit ...


How Bed Bugs Outsmart the Chemicals Designed to Control Them

Biology /

created Jan 08, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Bed bugs, once nearly eradicated in the built environment, have made a big comeback recently, especially in urban centers such as New York City. In the first study to explain the failure to control certain ...





Search results for outer membrane


One membrane, many frequencies

Biology /

created Mar 27, 2007 | popularity 5 / 5 (2) | comments 0

Modern hearing aids, though quite sophisticated, still do not faithfully reproduce sound as hearing people perceive it. New findings at the Weizmann Institute of Science shed light on a crucial mechanism for discerning different ...


Ant guts could pave the way for better drugs

Biology /

created Mar 25, 2008 | popularity 4.9 / 5 (11) | comments 0

Scientists have discovered two key proteins that guide one of the two groups of pathogenic bacteria to make their hardy outer shells -- their defense against the world.


Tuberculosis bacterium is double-protected

Tuberculosis bacterium is double-protected

Chemistry /

created Mar 04, 2008 | popularity 4.4 / 5 (16) | comments 3

The first 3-D images that disclosure a double membrane surrounding mycobacteria were recorded by Martinsried scientists, ending a long scientific debate about the mycobacterial outer membrane and opening new ...


Intestinal cells surprisingly active in pursuit of nutrition and defense

Intestinal cells surprisingly active in pursuit of nutrition and defense

Biology / Cell & Microbiology

created Jun 29, 2009 | popularity not rated yet | comments 0

Every cell lining the small intestine bristles with thousands of tightly packed microvilli that project into the gut lumen, forming a brush border that absorbs nutrients and protects the body from intestinal ...


Scientists study structure of Wza protein

Biology /

created Nov 08, 2006 | popularity 3.7 / 5 (3) | comments 0

Scottish scientists have deciphered the three-dimensional structure of Wza, an integral outer-membrane protein that has been linked to virulence.


LMNA-deficient Animals

Lamin A/C deficiency is 'unnerving'

Biology /

created Jan 05, 2009 | popularity 3 / 5 (1) | comments 0

Mutations in the nuclear intermediate filament lamin A/C (LMNA) gene are associated with Emery-Dreifuss muscular dystrophy, but cause the disease by unknown mechanisms. Méjat et al. show that one mechanism ...


Tick-borne encephalitis virus reveals its access code

Biology /

created Oct 20, 2008 | popularity not rated yet | comments 0

Fritz et al. have identified an amino acid switch that flaviviruses flip to gain access to cells. Flaviviruses such as tick-borne encephalitis virus (TBEV), yellow fever, and dengue are dangerous human pathogens. These membrane-encircled ...


Come on in: Nuclear barrier less restrictive than expected in new cells

Chemistry / Biochemistry

created Oct 06, 2009 | popularity not rated yet | comments 0

When it comes to the two basic types of cells, prokaryotes and eukaryotes, compartmentalization is everything. Prokaryotes are evolutionarily ancient cells that only have a membrane surrounding their outer boundary, while ...


Scientists explain binding action of 2 key HIV antibodies; could lead to new vaccine design

Medicine & Health / Research

created Nov 09, 2009 | popularity not rated yet | comments 0

A very close and detailed study of how the most robust antibodies work to block the HIV virus as it seeks entry into healthy cells has revealed a new direction for researchers hoping to design an effective vaccine.


Hearing on the wing: New structure discovered in butterfly ears

Hearing on the wing: New structure discovered in butterfly ears

Biology / Plants & Animals

created Oct 21, 2009 | popularity 4.4 / 5 (5) | comments 0

(PhysOrg.com) -- A clever structure in the ear of a tropical butterfly that potentially makes it able to distinguish between high and low pitch sounds has been discovered by scientists from the University ...



List of search results for outer membrane