Test Name Acetamide utilization Test Purpose Differentiate microorganisms according to their capacity to utilise acetamide as their only carbon source. Microorganisms Tested Isolated colonies of Gram-negative, non-glucose-fermenting rods that emit a luminous pigment and are suggestive of P. aeruginosa. Result Positive: The slant shows growth, and its colour changes from green to intense blue.Negative: There … Read more
What is API (Analytical Profile Index) 20E Test? Principle of APT Test for Bacteria API 20E Test Kit API 20E is a specialized kit designed for bacterial identification, consisting of 20 distinct tests. These tests aid in characterizing various metabolic activities and enzymatic reactions of the organisms being examined. Each test provides valuable information to … Read more
The oxidase enzyme is a key factor in distinguishing Staphylococcus from Micrococcus, and the Microdase Disk is a reagent-impregnated disc recommended for use in qualitative procedures.
The purpose of the malonate test is to see if the organism can get all of its energy from malonate.
Lipid Hydrolysis Test of Objectives Principle of Lipid Hydrolysis Test Media Used in Lipid Hydrolysis Test Tributyrin agar: Tributyrin agar is a differential medium that tests an organism’s ability to make lipase, an exoenzyme that breaks down tributyrin oil. Lipases break up fats and oils (fats). Tributyrin oil is a triglyceride, which is a type … Read more
What is a lipase test? Lipase is a digestive enzyme that might be thought of as “digestive juice.” It aids in the breakdown of fatty tissue. To produce lipase, your body relies primarily on the pancreas, an organ situated behind and below the stomach. Salivary (spit) glands and the stomach both produce lipase. A trace … Read more
Leucine aminopeptidase (LAP) is an enzyme used to distinguish catalase-negative, gram-positive cocci of Aerococcus and Leuconostoc (LAP test negative) from other organisms in the group, such as Streptococcus, Enterococcus, Lactococcus, and Pediococcus (almost always positive).
What is Bile Solubility Test? Definition of Bile Solubility Test The bile solubility test is a biochemical assay used to differentiate Streptococcus pneumoniae from other alpha-hemolytic Streptococci based on the lysis of bacterial cells in the presence of specific bile salts. Objectives of Bile Solubility Test In essence, the bile solubility test is a pivotal … Read more
Test Name Growth at 42 Test Purpose This test distinguishes pyocyanogenic pseudomonas from other Pseudomonas species.Determine an organism’s capacity to live at a temperature of 42°C.To distinguish fermentative bacteria from non-fermentative bacteria. Uses The test is used to determine an organism’s capacity to grow at 42°C.This test distinguishes pyocyanogenic pseudomonas from other Pseudomonas species. Result … Read more
What is Sulfur Reduction Test? Definition of Sulfur Reduction Test The Sulfur Reduction Test is a biochemical assay used to determine the ability of microorganisms to metabolize sulfur-containing compounds, resulting in the production of hydrogen sulfide (H2S) gas. This test aids in differentiating and identifying bacterial species based on their sulfur-reducing capabilities. Objective of Sulfur … Read more
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