A bacterial toxin called colibactin, produced by certain strains of E. coli, appears to alter gut DNA in a way that prompts colon cancer, researchers report in the journal Nature. Photo by ...

Red arrows indicate the DNA repair pathways that are known to aid bacterial survival as persisters and gamblers in the presence of fluoroquinolones. Blue color arrow indicates downregulation, while ...

A recent study shows that bacteria living inside colorectal tumors form distinct ecosystems that are closely linked to how ...

Microbiologists have long known that ancient, inactive viruses known as cryptic prophages can insert their genetic material into bacterial DNA. These genetic fragments allow bacteria to use ...

Studies published in Nature Cancer reveal how bacterial presence in head and neck cancers affects treatment response, ...

Cleveland Clinic researchers have discovered that bacteria inside cancerous tumors may be key to understanding why ...