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image: Dengue’s Downfall?

Dengue’s Downfall?

By | September 15, 2015

Researchers characterize a protein that could be key to the virus’s virulence—and to developing a vaccine against the mosquito-borne disease.


image: Antibiotic Resistance Can Boost Bacterial Fitness

Antibiotic Resistance Can Boost Bacterial Fitness

By | July 22, 2015

In some pathogenic bacteria, certain antibiotic resistance–associated mutations may also confer an unexpected growth advantage.


image: Ebola Virus Virulence

Ebola Virus Virulence

By | June 9, 2015

The strain of Ebola that has circulated in West Africa for the last year takes longer to kill macaques than the virus that caused an outbreak in Central Africa in 1976.


image: Facing Down Emerging Viruses

Facing Down Emerging Viruses

By | February 1, 2015

A better knowledge of the pathogenesis of emerging zoonotic diseases is crucial if we want to prepare for “the next Ebola.”


image: Decoding Bacterial Methylomes

Decoding Bacterial Methylomes

By | May 15, 2013

A new technique could soon spur unprecedented insight into the role of bacterial epigenetics in the evolution of pathogen virulence.

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image: When Vaccines Turn Vicious

When Vaccines Turn Vicious

By | July 12, 2012

Weakened viruses used in vaccines can swap genes and produce disease-causing strains.


image: Bacterial Exploitation

Bacterial Exploitation

By | July 5, 2012

Field studies reveal non-virulent bacteria take advantage of their virulent counterparts to get a free pass into their host.


image: Self-Harm for Self-Defense

Self-Harm for Self-Defense

By | June 20, 2012

To protect themselves during malaria infections, mice can kill their own healthy red blood cells, cutting off the parasite’s primary resource.


image: Mining Bacterial Small Molecules

Mining Bacterial Small Molecules

By | January 1, 2011

As much as rainforests or deep-sea vents, the human gut holds rich stores of microbial chemicals that should be mined for their pharmacological potential.


image: Intestinal Molecular Signaling

Intestinal Molecular Signaling

By | January 1, 2011

Microbes, both good and bad, can exert direct effects on host cells and vice versa. 


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