There are many ways of classifying bacteria. One method is based on the cell membrane. In 1884, a bacteriologist named Christian Gram created a test that could determine if a bacterium had a thick, ...

Ancient tiny fossils from Australia may carry evidence of great power: the ability to make oxygen through photosynthesis. The fossilized bacteria, dating from 1.73 billion to 1.78 billion years ago, ...

A large-scale laboratory screening of human-made chemicals has identified 168 chemicals that are toxic to bacteria found in ...

A large-scale laboratory screening of human-made chemicals has identified 168 chemicals that are toxic to bacteria found in ...

Our gut microbes are key to our health, but they may also shape our evolution, according to a new hypothesis. Expanding on the concept of the hologenome -- the host genome together with the genomes of ...

Common medications can accumulate in gut bacteria, a new study has found, altering bacterial function and potentially reducing the effectiveness of the drug. These interactions – seen for a variety of ...

Nanostructured metal-organic framework coatings mechanically puncture bacteria, stopping biofilms on surfaces without ...