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Why people of African descent are more vulnerable to tuberculosis infection

A team of scientists has identified a cellular mechanism that may help explain the puzzle of why people of African descent are more susceptible to tuberculosis infection and why, once infected, they develop more severe states of the disease than whites.

27 Feb 2006

Research points to a novel approach to treating serious Strep infections

Researchers at the University of California, San Diego (UCSD) School of Medicine have discovered that so-called flesh-eating "Strep" bacteria use a specific enzyme to break free of the body's immune system, a finding which could potentially lead to new treatments for serious infections in human patients.

24 Feb 2006

Why some infectious diseases are limited to small outbreaks and others become full-blown epidemics

In an important study forthcoming in the March 2006 issue of the American Naturalist, biologists from Yale University, University of Florida, and Dartmouth University explore the dynamics of pathogen survival and shed new light on a longstanding mystery

24 Feb 2006

Scientists put ehrlichiosis under the genomic spotlight

Ehrlichiosis is no star of science. This emerging disease has an awkward name, vague flu-like symptoms, and a nasty habit of being caused by bacteria that live inside ticks and flatworms.

17 Feb 2006

New method determines in a matter of hours exposure to a bioterrorism agents

Researchers at Walter Reed Army Institute of Research are developing a method to determine in a matter of hours if someone has been exposed to a bioterrorism agent just by looking at the pattern of active genes in that person's white blood cells.

17 Feb 2006

Genome data may contain small but significant errors

Since the genome sequence of the bacterial pathogen Haemophilus influenzae was published in 1995, the genetic code of many other large, complex, medically, and commercially significant organisms including humans has also been elucidated

17 Feb 2006

Less is more hypothesis - gene loss may explain unique human traits

Humans and chimps share most of their genes, yet they differ dramatically in many ways - their walk, the sizes of their brains and their capacities for speech and language, for example.

16 Feb 2006

Discovery of the molecular mechanism that inhibits HCV replication in vitro

Since its discovery several decades ago, the insidious human pathogen has stymied the quest for anti-viral therapies by refusing to reproduce in test tubes for more than a few hours or days, denying scientists an efficient virus production and infection system for experimental research.

7 Feb 2006

New technology for accelerating development of vaccines against H5N1 flu

Technology that enables scientists to identify targets for the development of vaccines against viruses such as H5N1 in weeks rather than months has entered a pilot study at ProImmune, Oxford, UK.

7 Feb 2006

Copper could help prevent the spread of flu infections

Copper could help prevent the spread of flu infections. Recent research at the University of Southampton shows that the Influenza A virus is virtually eradicated within six hours on copper surfaces.

2 Feb 2006

10-minute test for Escherichia coli bug

A handheld sensor that can quickly spot contamination by deadly strains of the Escherichia coli bug could help prevent infected food reaching consumers.

2 Feb 2006

HIV revealed in 3D

HIV, the virus which leads to AIDS and which affects 40 million people across the world, has been seen in 3D detail for the first time by Oxford scientists and their colleagues in Heidelberg and Munich.

25 Jan 2006

Study explains complex infection fighting mechanism

Yale School of Medicine researchers report in Nature Immunology how infection fighting mechanisms in the body can distinguish between a virus and the healthy body, shedding new light on auto immune disorders.

11 Jan 2006

Tobacco plant-derived vaccines safeguard against Yersinia pestis

Through an innovative feat of plant biotechnology and vaccine design, researchers in the Biodesign Institute at Arizona State University have successfully turned tobacco plants into vaccine production factories to combat the deadliest form

10 Jan 2006

Sydney researchers explain how stress makes you sick

Garvan Institute scientists have discovered how a hormone, known as neuropeptide Y (NPY), can prevent our immune system functioning properly, paving the way for two new major opportunities for therapeutic intervention.

10 Jan 2006

AIDS drugs from sunflowers

Sunflowers can produce a substance which prevents the AIDS pathogen HIV from reproducing, at least in cell cultures. This is the result of research carried out by scientists at the University of Bonn in cooperation with the caesar research centre.

9 Jan 2006

Risk factors for nongonococcal urethritis

The study, by Australian researchers Catriona Bradshaw, MD, and colleagues at the Melbourne Sexual Health Centre, is the first major case-control study to simultaneously address all currently hypothesized causes of NGU.

6 Jan 2006

Extremely infectious pneumonia-like disease slips through body's immune system

A new study found that an extremely infectious pneumonia-like disease in humans slips through the immune system's usual defense mechanisms.

21 Dec 2005

New understanding of Mediterranean spotted fever

New research by a team of scientists in France and the United States has identified both the bacterial and host receptor proteins that enable Rickettsia conorii, the Mediterranean spotted fever pathogen, to enter cells.

15 Dec 2005

Chlamydia loves lipid droplets

Invasive bacterial pathogens, the Chlamydiae know us very, very well. The Chlamydiae learned to parasitize eukaryotic cells half a billion years ago by reprogramming cellular functions from within.

13 Dec 2005