This post was most recently updated on April 29th, 2016Tween 80 is the trade name of the detergent polyethylene derivative of sorbitan mono-oleate. Some Mycobacterium species posses an enzyme-lipase, that splits the compound and releases […]
This post was most recently updated on April 17th, 2018Japanese Encephalitis (JE) virus was initially isolated in Japan in 1935. It is a leading cause of vaccine-preventable encephalitis (inflammation of the brain) in Asia and […]
This post was most recently updated on May 13th, 2017A group of researcher published an article in “Nature” reporting the discovery of a new cell wall inhibitor, teixobactin, from a screen of uncultured bacteria grown […]
This post was most recently updated on April 30th, 2019O-Nitrophenyl-β-D-galactopyranoside (ONPG) is structurally similar to lactose (i.e. ONPG is an analog of lactose), except that orthonitrophenyl has been substituted for glucose. On hydrolysis, through the […]
This post was most recently updated on June 22nd, 2019Transport media are essentially solutions of buffers with carbohydrates, peptones and other nutrients (excluding growth factors) designed to preserve the viability of bacteria during transport without […]
Leucine Amino peptidase (LAP) Test is used to identify catalase negative gram-positive cocci. The LAP disk is a rapid test for the detection of enzyme lucine amino peptidase. Leucine-beta-naphthylamide impregnated disk serve as a substrate […]
This post was most recently updated on June 10th, 2019Gram staining method, the most important procedure in Microbiology, was developed by Danish physician Hans Christian Gram in 1884. Gram staining is still the cornerstone of bacterial […]
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