McGill researchers have developed a diagnostic system capable of identifying bacteria—and determining which antibiotics can ...

Researchers at the University of Georgia in Athens have discovered a previously unknown process used by many bacteria to survive and remain unaffected by current antibiotic treatments. Their work may ...

This type of medium is both selective and differential. The MSA will select for organisms such as Staphylococcus species which can live in areas of high salt concentration (plate on the left in the ...

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, ...

Mouths are filthy, harboring the second largest microbiome of the human body. Some bacteria can help break down food, among other responsibilities; other bacteria can travel into the mouth on food, ...

Opportunistic infections can contribute to antimicrobial resistance making these infections more severe than would occur otherwise. Some uninvolved pathogens that cause these infections possess ...

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. They release ...