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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.
Capnocytophaga spp. are fusiform Gram-negative bacilli, and they are part of the oral commensal flora. Microscopic observation revealed a high degree of polymorphism with a variation in the size and appearance depending on the strain and culture conditions.
Bergey's Manual Trust was established in 1936 to sustain the publication of Bergey's Manual of Determinative Bacteriology and supplementary reference works. The Trust also recognizes individuals who have made outstanding contributions to bacterial taxonomy by presentation of the Bergey Award and Bergey Medal, jointly supported by funds from the Trust and from Springer, the publishers of the ...
The first test is read 48–72 hours after injection. If the first test is positive, consider the person infected. If the first test is negative, give a second test one to three weeks after the first injection. The second test is read 48–72 hours after injection. If the second test is positive, consider the person infected in the distant past ...
Some bacteria have cell walls which are particularly adept at retaining stains. These will appear positive by Gram stain even though they are not closely related to other gram-positive bacteria. These are called acid-fast bacteria, and can only be differentiated from other gram-positive bacteria by special staining procedures. [25]
Campylobacter is a type of bacteria that can cause a diarrheal disease in people. [1] Its name means "curved bacteria", as the germ typically appears in a comma or "s" shape. According to its scientific classification, it is a genus of gram-negative bacteria that is motile. [a] [2] The germ is common in nature and in domestic animals.
Bacillus licheniformis is a bacterium commonly found in the soil. It is found on bird feathers, especially chest and back plumage, and most often in ground-dwelling birds (like sparrows ) and aquatic species (like ducks ).
Clostridium butyricum is a strictly anaerobic endospore-forming Gram-positive butyric acid–producing bacillus subsisting by means of fermentation using an intracellularly accumulated amylopectin-like α-polyglucan (granulose) as a substrate. It is uncommonly reported as a human pathogen and is widely used as a probiotic in Japan, Korea, and ...