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 ...

A team of researchers recently made a discovery that changes a long held paradigm about how bacteria move through soft gels. They showed that the bacterium that causes human stomach ulcers uses a ...

The Journal of Infectious Diseases, Vol. 61, No. 1 (Jul. - Aug., 1937), pp. 110-121 (12 pages) Weakly hemolytic streptococci obtained from freshly drawn milk samples were divided into the following ...

Streptococcus mutans, the decay-causing organism that thrives in many a mouth, can do just fine without a certain biochemical pathway thought to be essential for survival. Leave it to the bacteria ...

Differentiating bacterial strains within a single sample can be a daunting challenge. Microscopic studies of the sample can be used for simple identification and differentiation tasks. Microbiologists ...

Traditional biochemical methods of studying human gene mutations are often laborious and costly. Now bioengineers at the University of California San Diego have developed a new simple approach to ...