Since the start of the COVID-19 pandemic, the virus that causes the illness - SARS-CoV-2 - has had innumerable opportunities to mutate and change, and the virus has certainly taken advantage of those ...

Our immune systems can often eliminate bacterial infections, but sometimes those bacteria are very tough and persistent, and they establish more long-term, chronic infections. Researchers have now ...

Colorectal cancer is associated with a disrupted gut microbiome. About 40% of people with colorectal cancer have a mutation in the KRAS gene. Researchers in China connect the 2 in a new study. Their ...

For about 40% of people diagnosed with colorectal cancer (CRC), the tumor carries a mutation in a gene called KRAS. Many of those mutations have been linked to shorter survival and more aggressive ...

Marine bacteria are key to determining whether carbon is recycled near the ocean surface or transported to deeper waters, but many operate in constant threat of being infected by viruses called phages ...