Ayers & Johnson Agar (Stock Culture Agar)

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M182
For the maintenance of cultures of Streptococci and other pathogenic and non pathogenic microorganisms.


It is observed that in addition to supporting luxuriant growth, the medium also helped in maintaining the viability of Streptococci and various other organisms over a long period of time. They also observed that Streptococci maintained their viability for as long as four months when incubated in this medium at room temperature (25°C).The medium serves its main purpose (i.e. maintaining viability) chiefly due to its semisolid nature, a well-buffered environment and the presence of casein and dextrose, the latter, which serves as a source of energy. Many fastidious organisms like Mycobacterium species, S. pneumoniae , show good growth on this medium.
More Information
Product Name Ayers & Johnson Agar (Stock Culture Agar)
SKU M182
Product Type Regular
Physical Form Powder
Origin Animal
Packaging type HDPE
References 1. Ayers and Johnson, 1924, J. Bacteriol., 9:111.
2.Atlas R. M., 2004, Handbook of Microbiological Media, 3rd Ed., CRCPress, Inc., Boca Raton, Fla.
Customized Product Available No
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