News tagged with pathogenic mechanism

Researchers uncover molecular pathway through which common yeast becomes fungal pathogen

Scientists at the University of Toronto have found a molecular mechanism that plays a key role in the transition of Candida albicans yeast into disease-causing fungus—one of the leading causes of hospital-acquired infect ...

Biology / Biotechnology

created Mar 16, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Frontal attack or stealth? How subverting the immune system shapes the arms race between bacteria and hosts

Why is it that Mycobacterium tuberculosis can cause tuberculosis with as little as 10 cells, whereas Vibrio cholerae requires the host to ingest up to tens of millions of cells to cause cholera? This is the ...

Biology / Cell & Microbiology

created Feb 27, 2012 | popularity 4 / 5 (1) | comments 0

New leads on mechanisms that confer virulence to E.coli-type bacteria

A team headed by scientists from the IRB Barcelona reports how the protein Ler, which is found in pathogenic bacteria, interacts with certain DNA sequences, thereby activating numerous genes responsible for ...

Biology / Cell & Microbiology

created Dec 09, 2011 | popularity not rated yet | comments 0

Study presents new insight into plant immunity

Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...

Biology / Biotechnology

created Oct 02, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers find genes that help frogs resist fungus

(PhysOrg.com) -- For several decades, the fungal pathogen Batrachochytrium dendrobatidis (Bd) has been decimating frogs, yet some populations and species have been able to resist the fatal disease, called ...

Biology / Plants & Animals

created Sep 27, 2011 | popularity not rated yet | comments 0 | with audio podcast

Newfound hijacked proteins linked to salmonella virulence

Scientists have discovered that bacteria like E. coli and Salmonella have a sneaky way of making minor alterations to their genes to boost their chances for infection.

Chemistry / Biochemistry

created Aug 23, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Realistic simulation of ion flux through membrane sheds light on antibiotic resistance

As the gatekeepers of ion flow through cell membranes, ion channels are of key interest in numerous cellular processes. Now, a new study describes an innovative new computational model that realistically simulates the complex ...

Biology / Other

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

Unraveling plant reactions to injury

Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant ...

Biology / Cell & Microbiology

created May 27, 2011 | popularity not rated yet | comments 0

Bacteria poison themselves from within

(PhysOrg.com) -- The research group led by Anton Meinhart at the Max Planck Institute for Medical Research in Heidelberg has shown that proteins from the zeta toxin group trigger a self-destructive mechanism ...

Biology / Cell & Microbiology

created Mar 23, 2011 | popularity 4.7 / 5 (3) | comments 0

Scientists identify a deadly tool in Salmonella's bag of tricks

The potentially deadly bacterium Salmonella possesses a molecular machine that marshals the proteins it needs to hijack cellular mechanisms and infect millions worldwide.

Biology / Cell & Microbiology

created Feb 03, 2011 | popularity 4.8 / 5 (9) | comments 1 | with audio podcast

Mechanism elucidated for a rare disease

(PhysOrg.com) -- Scientists at the Friedrich Miescher Institute for Biomedical Research (FMI) have dissected one of the molecular mechanisms underlying Friedreich's ataxia. In doing so, they have shed new ...

Medicine & Health / Diseases, Conditions, Syndromes

created May 04, 2010 | popularity 4 / 5 (1) | comments 0

Biologists discover an on/off button on plants' alarm system

Scientists connected to VIB and Ghent University have discovered how plants turn their defense mechanisms on and off. The system is apparently controlled by a key protein that the researchers have named "NINJA." The discovery ...

Biology / Cell & Microbiology

created Apr 01, 2010 | popularity 5 / 5 (2) | comments 0

Persistent pain common for many women 2 to 3 years after breast cancer treatment

Nearly 50 percent of women surveyed indicate they experience pain symptoms 2 to 3 years after breast cancer treatment, with women who were younger or who received supplemental radiation therapy more likely to have pain, according ...

Medicine & Health / Cancer

created Nov 10, 2009 | popularity not rated yet | comments 0

New insight in the fight against the Leishmania parasite

Professor Albert Descoteaux's team at Centre INRS - Institut Armand-Frappier, Canada, has gained a better understanding of how the Leishmania donovani parasite manages to outsmart the human immune system and proliferate with i ...

Medicine & Health / Diseases, Conditions, Syndromes

created Oct 23, 2009 | popularity 5 / 5 (1) | comments 0