A team of researchers at the University of California, Los Angeles (UCLA) has introduced a virtual Gram staining technique that could transform how microbiologists stain and classify bacteria ...

There are two main types of bacteria, and these categories reflect the microbes' biology and their vulnerability to different antibiotics.

Species including Bacillus, Staphylococcus, Streptococcus, and Clostridium turn purple with Gram stain. Other species like Escherichia, Helicobacter, and Salmonella are gram-negative, meaning they ...

Hans Christian Gram, the inventor of the Gram staining technique, was a pioneering biologist who devised the system of classification which led to as many as 30,000 formally named species of ...