Mice fed a mix of six strains of bacteria were able to fight a C. difficile infection that causes deadly diarrhea and is resistant to most types of treatment.
Mice fed a mix of six strains of bacteria were able to fight a C. difficile infection that causes deadly diarrhea and is resistant to most types of treatment.
Viral DNA in mice genomes may lead to cancer in immune-compromised animals.
The federal government tightens regulations on SARS and other deadly viruses, but the changes could hamper research.
Genes from fungi, bacteria, and viruses may have helped mosses and other plants to colonize the land.
The famed geneticist says his team is testing 3-D DNA printers that could churn out vaccines at home.
French scientists identify a new giant virus, which carries the genome of a smaller virus and a new breed of mobile DNA.
An HIV drug can bind to and alter the function of an immune molecule, causing a dangerous reaction in patients with a particular allele.
A unique organism sighted only once, more than a century ago, could shed light on the evolution of multicellularity—if it ever actually existed.