Eosin Methylene Blue (EMB) agar is a selective and differential culture medium. It selectively promotes the growth of Gram-negative bacteria and aids in the differentiation of lactose fermenter and...
Month: August 2013
Blood agar is an enriched bacterial growth medium. Fastidious organisms, such as streptococci, do not grow well on ordinary growth media but grow on blood agar. Blood agar is a growth medium with...
MacConkey agar (MAC) is a selective and differential bacterial culture media. MacConkey medium is selective for gram-negative bacteria and differentiates the gram-negative bacteria based on...
Mannitol salt agar (MSA) is a selective, differential, and indicator medium used to isolate and identify Staphylococcus aureus from the clinical specimen. As its name suggests, mannitol salt agar...
The rapid plasma reagin (RPR) test is a macroscopic, nontreponemal flocculation card test used to screen for syphilis. Let’s first analyze the test name: Rapid: It is a rapid...
Gram stain is the most important staining procedure in Microbiology. Most bacteria can be broadly classified as Gram-positive or Gram-negative. Gram-positive bacteria stain purple, whereas...