Buffered charcoal yeast extract agar (BCYE) was developed by Feeley et al and then further modified by Edelstein for selective cultivation of Legionella species. BCYE Agar is an enrichment medium that is used for the […]
Eosin Methylene Blue (EMB) agar is both selective and differential culture medium. It is a selective culture medium for Gram-negative bacteria (selects against Gram-positive bacteria) and is commonly used for the isolation and differentiation of […]
In this blog post, I have listed the commonly used culture media in the Bacteriology laboratory and their primary purpose. There are still lots of culture media not mentioned in this post which may or […]
Blood agar is an enriched, bacterial growth medium. Fastidious organisms, such as streptococci, do not grow well on ordinary growth media. Blood agar is a type of growth medium (trypticase soy agar enriched with 5% […]
MacConkey agar was developed in 20th century by Alfred Theodore MacConkey. It was the first formulated solid differential media. MacConkey agar is a selective and differential culture media commonly used for the isolation of enteric Gram-negative […]
Are you familiar with mannitol salt agar (MSA)? Have you ever used Mannitol salt agar in your laboratory? If you have used it, but don’t remember why and when then you are in the right […]
Culture media contains nutrients and physical growth parameters necessary for microbial growth. All microorganisms cannot grow in a single culture medium and in fact, many can’t grow in any known culture medium. Organisms that cannot […]
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