Typhoid Mary case may be cracked, a century later

When Typhoid Mary died in 1938, in medical exile on a tiny New York island, she took untold numbers of Salmonella typhi to her grave. No one knew how the bacteria managed to thrive and not kill her.

Unveiling malaria's 'invisibility cloak'

The discovery by researchers from the Walter and Eliza Hall Institute of a molecule that is key to malaria's 'invisibility cloak' will help to better understand how the parasite causes disease and escapes from the defenses ...

Researchers learn how pathogen causes speck disease

(PhysOrg.com) -- Researchers have discovered how the structure of a protein allows a certain bacteria to interfere with the tomato plant's immune system, causing bacterial speck disease.

Scientists crack sparse genome of microbe linked to autoimmunity

Scientists have deciphered the genome of a bacterium implicated as a key player in regulating the immune system of mice. The genomic analysis provides the first glimpse of its unusually sparse genetic blueprint and offers ...

Eliminating cell receptor prevents infection in animal study

New research from The Children's Hospital of Philadelphia sheds light on the role of cell receptors in acting as gatekeepers for infectious viruses. By using mice genetically engineered to lack a particular receptor in heart ...