Ornithine Decarboxylase Test – Principle, Procedure, Result
What is the ornithine decarboxylase test? Objectives of Decarboxylase Test Principle of
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Biochemical tests are laboratory procedures that use specific chemical reactions to identify and characterize microorganisms, such as bacteria. These tests are often used to identify the presence of specific enzymes or metabolic pathways in a microorganism, which can help to distinguish it from other microorganisms.
Some common biochemical tests used in bacteriology include:
These are just a few examples of the many different biochemical tests that are used in bacteriology. Biochemical tests can be useful for identifying and classifying bacteria, and for understanding their metabolism and ecological role.
What is the ornithine decarboxylase test? Objectives of Decarboxylase Test Principle of
What is Ames Test? Definition of Ames Test The Ames test is
What is Nylander’s Test? Nylander’s Test, a renowned chemical assay, is primarily
What is Methyl Red (MR) Test? Objectives of Methyl Red (MR) Test The
Benedict's test is a chemical test that is used to test for the presence of reduced sugars within an analytical test. Thus, simple carbohydrates that contain an aldehyde or free ketone functional group are detected using this test. The test is basing itself upon Benedict's Reagent (also called Benedict's solution) which is a complex mix of sodium carbonate, sodium citrate, and the pentahydrate of copper(II) Sulfate.
What is Indole test? Indole Test Definition The indole test is a
What is Spot Indole Test? Definition of Spot Indole Test The Spot
In 1898, Voges as well as Proskauer (16)characterized the process of fermentation of sugars by a variety of bacteria. They demonstrated that the gas that was produced during the process was a mixture of H2 and CO2 that when they added KOH to the cultures been grown in glucose peptone medium to allow for a prolonged period of incubation in presence of oxygen certain organisms developed a red fluorescent color. While the exact nature of the color was not known in the early days, this technique was suggested to differentiate between the bacterial strains that produced it and ones that didn't. in 1906 Arthur Harden analyzed the fermentation products of Enterobacter aerogenes. He discovered that when it was surrounded by glucose, the organism made two compounds, acetoin as well as 2,3-butanedio.
What is Yersinia pestis? Yersinia pestis is a bacterium responsible for causing
Many bacteria produce a group of enzymes known as beta-lactamases that are mediated through genes in plasmids or the chromosomes. Beta-lactamase can be a constant process or it may be triggered through contact with antimicrobials. Beta-lactamases hydrolyze (and consequently inhibit) the beta-lactam ring of many Cephalosporins as well as penicillins. Beta-Lactamase Test is a rapid test to determine the presence of beta-lactamase , an enzyme that is produced by the strains from Staphylococcus aureus Neisseria gonorrhoeae, Branhamella catarrhalis as well as Haemophilus influenzae.
What is Pauly’s Test? Purposes of Pauly’s Test Principle of Pauly’s Test
The majority of plasma proteins are too big to pass through the
The bulk of plasma proteins are composed of big particles, making it
Human pathogenic bacteria transmitted via the fecal-oral route, i.e., primarily intestinal pathogens,
What is a Glucose Tolerance Test? A glucose tolerance test is a
After wastewater treatment, the chemical oxygen demand (COD) is used to determine
All aquatic organisms depend on the oxygen in the water (dissolved oxygen)
What is Presence/Absence Test? The availability of potable water for bathing, drinking,
The Gram stain is typically the initial step in identifying bacteria and