Pathogen News and Research

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New insights into Legionella pneumophila

A study published online in Genome Research (www.genome.org) describes new insights into Legionella pneumophila, the bacteria responsible for most cases of Legionnaires' disease.

7 Feb 2008

Gene in grain-producing plants guards against infection in animals and humans

Purdue University and USDA-Agricultural Research Service scientists have discovered that a type of gene in grain-producing plants halts infection by a disease-causing fungus that can destroy crops vital for human food supplies.

5 Feb 2008

Researchers seek trial participants for experimental HIV vaccine called PENNVAX-B

University of Pennsylvania School of Medicine researchers are recruiting healthy, HIV-negative adults to participate in a phase I clinical trial of an experimental HIV vaccine called PENNVAX-B, a DNA-based vaccine which is made using synthetic DNA-based HIV genes.

4 Feb 2008

Viruses for a healthy pregnancy

Sequences of DNA in the human genome that originated from ancient viral infections have some surprising effects on our bodies and are even essential for a healthy pregnancy, according to an article in the February issue of Microbiology Today.

31 Jan 2008

Researchers disarm Ebola virus

The deadly Ebola virus, an emerging public health concern in Africa and a potential biological weapon, ranks among the most feared of exotic pathogens.

22 Jan 2008

Columbus brought syphilis to Europe

Did Columbus and his men introduce the syphilis pathogen into Renaissance Europe after contracting it during their voyage to the New World?

15 Jan 2008

Chemicals in red wine grapes may prevent tooth decay

A class of chemicals in red wine grapes may significantly reduce the ability of bacteria to cause cavities, according to a study published recently in the Journal of Agricultural and Food Chemistry

10 Jan 2008

Stress causes whole body deterioration

Stress, to put it bluntly, is bad for you. It can kill you, in fact. A study now reveals that stress causes deterioration in everything from your gums to your heart and can make you more susceptible to everything from the common cold to cancer.

9 Jan 2008

Polyphenols in wine may help prevent cavities

A class of chemicals in red wine grapes may significantly reduce the ability of bacteria to cause cavities, according to a study published recently in the Journal of Agricultural and Food Chemistry.

3 Jan 2008

Preventing transfusion-transmitted infections through improved blood screening methods

The blood transfusion community should consider pathogen inactivation methods as an alternative way to assure the safety and availability of the nation's blood supply, a pathologist wrote in the December issue of the American Journal of Clinical Pathology (AJCP).

2 Jan 2008

New drug targets may fight tuberculosis and other bacterial infections in novel way

Over the course of the 20th Century, doctors waged war against infectious bacterial illness with the best new weapon they had: antibiotics.

28 Dec 2007

Paradigm shift in TB: virulence factors, not antibiotics

Over the course of the 20th Century, doctors waged war against infectious bacterial illness with the best new weapon they had: antibiotics.

27 Dec 2007

Australian researchers tackle antibiotic resistance

The development of antibiotic resistant strains of bacteria that are problematic and expensive to treat is a major healthcare problem around the world. The "selective pressure" of antibiotic usage inevitably results in the emergence and proliferation of resistant bacteria.

20 Dec 2007

Zebrafish study shows key enzyme in gut is a peacemaker

University of Oregon scientists, using zebrafish to study the gastrointestinal tract, say that an enzyme long assumed to be involved in digestion instead is a detoxifying traffic cop, maintaining a friendly rapport between resident gut bacteria and cells.

13 Dec 2007

Can interacting pathogens explain disease patterns?

A new study into the way in which parasites interact with each other could help predict when infectious diseases are likely to break out.

13 Dec 2007

Scientists seek to assess the microbial risks in the water we drink

It is a familiar scenario experienced around the world: an outbreak of gastrointestinal illness suddenly emerges in a community, and no one knows where it came from or how to stop it. At the start of the outbreak, only a few people are affected, most often the very old and the very young.

12 Dec 2007

Boost for tick disease research

Roman Ganta, a professor of diagnostic medicine and pathobiology at Kansas State University, has been awarded a grant of $1,825,000 by the National Institutes of Health to figure out how to stop the tick-borne bacteria, Ehrlichia chaffeensis, from making animals and people sick.

10 Dec 2007

University of Rhode Island, Pakistan researchers address growing tick problem

Researchers from the University of Rhode Island's Center for Vector-Borne Disease are teaming with colleagues from Pakistan to help the south Asian nation address its growing tick problem.

4 Dec 2007

Purified bacterial extract sprayed into lungs ramps up innate immune system

A purified extract prepared from a common microbe and delivered to the lungs of laboratory mice in a spray set off a healthy immune response and provided powerful protection against all four major classes of pathogens including those responsible for anthrax and bubonic plague, according to a presentation at the American Society for Cell Biology's 47th Annual Meeting.

4 Dec 2007

Inhaled immune system stimulant launches immune response in lungs to wipe out lethal infections

An inhaled immune system stimulant protects mice against lethal pneumococcal pneumonia and other deadly bacterial, viral and fungal infections of the lungs, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center reports at a major scientific meeting.

4 Dec 2007