Bacteria have long been a key source of lifesaving antibiotics, but most species cannot be grown in the lab—leaving their therapeutic potential untapped even as multidrug resistance becomes an ...

Researchers at the Francis Crick Institute and UCL have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through ...

DNA methylation in bacteria, primarily involving the addition of methyl groups to adenine or cytosine residues, constitutes a pivotal epigenetic mechanism that modulates gene expression without ...

An analysis of the bones and teeth of ancient mammoths (Mammuthus) has identified some of the microorganisms that lived in the animals’ mouths and bodies more than one million years ago. The study, ...