New way to test antibiotics could lead to better drugs

MIT and Harvard University researchers have engineered E. coli cells that can be used to study how bacteria at an infection site respond to antibiotic treatment, allowing scientists to learn more about how existing antibiotics ...

Plant signals travel different routes to turn on defense

Faced with a pathogen, important signaling chemicals within plant cells travel different routes to inform the plant to turn on its defense mechanisms, according to a recent University of Kentucky study.

Researchers identify target of disease-causing plant pathogens

A new study from a University of Nebraska-Lincoln research team led by plant pathologist Jim Alfano found that a bacterial plant pathogen suppresses a plant's immune system through the action of a protein called HopE1.

Toxoplasma parasite's greedy appetite may be its downfall

Toxoplasma gondii is estimated to chronically infect nearly one-third of the world's population, causing the condition Toxoplasmosis. It is most commonly associated with handling cat feaces and is a particular threat to pregnant ...

Researchers develop antibodies to fight chikungunya virus

In late 2013 the Caribbean had its first case of the mosquito-borne chikungunya virus. Today there have been almost 1.2 million cases in 44 countries or territories, including 177 cases in 31 U.S. States.

'Immortal' flatworms may be a weapon against bacteria

A novel mode of defense against bacteria such as the causal agent of tuberculosis or Staphylococcus aureus has been identified in humans by studying a small, aquatic flatworm, the planarian. This discovery was made by scientists ...

The 'yin and yang' of malaria parasite development

Scientists searching for new drug and vaccine targets to stop transmission of one of the world's deadliest diseases believe they are closer than ever to disrupting the life-cycle of this highly efficient parasite.

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.

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