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 ...

The first patient developed a fatal infection after showing up at a hospital in Germany with swelling around his left eyelid ...

That work—and most of the subsequent research using CRISPR—is built on a viral defense mechanism from the bacterial species Streptococcus pyogenes. But other bacterial species also have similar ...