This post was most recently updated on August 25th, 2019Methyl Red (MR) test determines whether the microbe performs mixed acids fermentation when supplied glucose. Types and proportion of fermentation products produced by anaerobic fermentation of […]
This post was most recently updated on June 10th, 2019Catalase is an enzyme, which is produced by microorganisms that live in oxygenated environments to neutralize toxic forms of oxygen metabolites; H2O2. The catalase enzyme neutralizes […]
This post was most recently updated on December 10th, 2016Enterobacteriaceae family contains a large number of genera that are biochemically and genetically related to one another. Many of the traditional or familiar bacteria are found […]
This post was most recently updated on February 16th, 2017Each of the letters in “IMViC” stands for one of these tests. “I” is for indole; “M” is for methyl red; “V” is for Voges-Proskauer, and […]
This post was most recently updated on July 13th, 2016MUG is an acronym for 4-methylumbelliferyl-beta-D-glucuronide. Escherichia coli produces the enzyme beta-D-glucuronidase. Beta-D-glucuronidase is a enzyme which hydrolyzes the beta-D-glucopyranosid-uronic derivatives to aglycons and D-glucuronic acid. The substrate […]
This post was most recently updated on September 9th, 2019Whenever you see the name of this test i.e. Triple Sugar Iron Agar, you have to remember that it’s a test which has three sugar (Lactose, Sucrose, […]
This post was most recently updated on November 23rd, 2018Shigellae are Gram-negative, non-motile, non-spore forming, rod-shaped highly infectious bacteria of the Enterobacteriaceae family. Shigella species include; Shigella sonnei, S. boydii, S. flexneri, and S. dysenteriae. Classification Shigella species […]
This post was most recently updated on August 26th, 2019Citrate utilization test is commonly employed as part of a group of tests, the IMViC (Indole, Methyl Red, VP and Citrate) tests, that distinguish between members […]
This post was most recently updated on August 24th, 2019In this blog post, i am sharing information about common, conventional biochemical tests and their primary uses in Microbiology laboratory for the identification of particular pathogen […]
This post was most recently updated on April 26th, 2018Salmonella is a Gram-negative, rod-shaped, motile bacilli which moves with the use of its peritrichous flagella. The genus Salmonella can be divided into two species (S. […]
This post was most recently updated on May 5th, 2019Escherichia coli (abbreviated as E. coli) is a commensal (normal flora) of gut of humans and warm-blooded animals. Most strains of E.coli are harmless, some even […]
This post was most recently updated on May 10th, 2017Indole test is used to determine the ability of an organism to split amino acid tryptophan to form the compound indole. Tryptophan is hydrolysed by tryptophanase to […]
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