Infection Control Today Magazine

Virulence

Mechanism Behind Salmonella's Virulence and Drug Susceptibility Discovered

Researchers have discovered a novel mechanism in Salmonella that affects its virulence and its susceptibility to antibiotics by changing its production of proteins in a previously unheard of manner. This allows Salmonella to selectively change its levels of certain proteins ...More
July 30, 2010
Posted in News
Can H. pylori Infections Be Eradicated?

Helicobacter pylori, a bacterium found in about 50 percent of humans worldwide, can cause stomach ulcers and, in extreme cases, gastric cancer. In an article for F1000 Medicine Reports, Seiji Shiota and Yoshio Yamaoka discuss the possible eradication of H. pylori ...More
March 12, 2010
Posted in News
Researchers Describe How Cholera Bacteria Becomes Infectious

In a new study, Dartmouth researchers describe the structure of a protein called ToxT that controls the virulent nature of Vibrio cholerae, the bacteria that causes cholera. Buried within ToxT, the researchers were surprised to find a fatty acid that appears to inhibit ...More
February 12, 2010
Posted in News
Two-Pronged Protein Attack Could be Source of SARS Virulence

Ever since the previously unknown SARS virus emerged from southern China in 2003, University of Texas Medical Branch (UTMB) at Galveston virologists have focused on finding the source of the pathogen's virulence — its ability to cause disease. In the 2003 epidemic, ...More
October 29, 2009
Posted in News, PPE & Standard Precautions
Study Suggests H1N1 Virus More Dangerous than Suspected

A new, highly detailed study of the H1N1 flu virus shows that the pathogen is more virulent than previously thought. Writing in a fast-tracked report published today (July 13) in the journal Nature, an international team of researchers led by University of Wisconsin-Madison ...More
July 13, 2009
Posted in News
Bacteria With a Built-In Thermometer

Researchers in the Molecular Infection Biology group at the Helmholtz Centre for Infection Research (HZI) in Braunschweig and the Braunschweig Technical University could now demonstrate for the first time that bacteria of the Yersinia genus possess a unique protein ...More
May 20, 2009
Posted in News
Researchers Probe Mechanisms of Infection

A newly discovered receptor in a strain of Escherichia coli might help explain why people often get sicker when they’re stressed. Researchers at UT Southwestern Medical Center are the first to identify the receptor, known as QseE, which resides in a diarrhea-causing ...More
March 10, 2009
Posted in News
Comparative Genomics Reveals Molecular Evolution of Q Fever Pathogen

Scientists from the National Institute of Allergy and Infectious Diseases, Texas A&M Health Center, and the Virginia Bioinformatics Institute at Virginia Tech have uncovered genetic clues about why some strains of the pathogen Coxiella burnetii are more virulent than ...More
February 2, 2009
Posted in News