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C. canimorsus and C. cynodegmi are commonly transmitted by dog bites and known to cause sepsis, potentially complicated by thrombotic thrombocytopenic purpura and hemolytic uremic syndrome, in immunocompromised patients. [8] Other complications from infection can include heart attack, kidney failure, gangrene and amputation of limbs. [9]
C. canimorsus displays enhanced growth in high concentrations of carbon dioxide, so culturing the bacteria in candle extinction jars or carbon dioxide incubators is necessary. [4] To diagnose this bacillus, certain reactions may be tested. The bacterium should test positive for catalase and oxidase, arginine dihydrolase, maltose, and lactose.
Download as PDF; Printable version; In other projects ... Testing kit or test kit is a discerning device used in a wide range of areas including: Medical diagnosis ...
[18] [28] In cultures of Bacillus, Butyrivibrio, and Clostridium, a decrease in peptidoglycan thickness during growth coincides with an increase in the number of cells that stain gram-negative. [28] In addition, in all bacteria stained using the Gram stain, the age of the culture may influence the results of the stain.
The test uses disks impregnated with a reagent such as N,N,N′,N′-tetramethyl-p-phenylenediamine, TMPD (or N,N-dimethyl-p-phenylenediamine, DMPD, which is also a redox indicator). The reagent is a dark-blue to maroon color when oxidized, and colorless when reduced.
Bacillus (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum Bacillota, with 266 named species.The term is also used to describe the shape (rod) of other so-shaped bacteria; and the plural Bacilli is the name of the class of bacteria to which this genus belongs.
Voges–Proskauer / ˈ f oʊ ɡ ə s ˈ p r ɒ s k aʊ. ər / or VP is a test used to detect acetoin in a bacterial broth culture. The test is performed by adding alpha-naphthol and potassium hydroxide to the Voges-Proskauer broth, which is a glucose-phosphate broth that has been inoculated with bacteria. A cherry red color indicates a positive ...
The nitrate reductase test is a test to differentiate between bacteria based on their ability or inability to reduce nitrate (NO 3 −) to nitrite (NO 2 −) using anaerobic respiration. Procedure [ edit ]