Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls.

The aging of the innermost cell layer of blood vessels leads to cardiovascular diseases. Researchers at UZH have now shown ...

The bacteria that cause tuberculosis (TB) may have an "on-off switch" that lets them pause and restart growth, according to a new study from the University of Surrey and the University of Oxford.

Using third-generation metagenomics, researchers from the Department of Plant Production and Microbiology at the Miguel ...

Researchers have analyzed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained ...

The lymphatic system normally helps to trap and destroy cancer cells as well as bacteria and other harmful organisms.Sometimes cancer cells get trapped in lymph nodes close to the cancer and may then ...

We report the antimicrobial susceptibility patterns of the most frequently isolated Gram-positive bacteria in the Brazilian hospitals participating in the SENTRYAntimicrobial Surveillance Program. The ...

Biological Physics Laboratory, Department of Physics and Astronomy, Faculty of Science and Engineering, The University of Manchester, Oxford Road, Manchester M13 9PL, UK Division of Pharmacy and ...