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What does spp after the shigella stand for?
shigella sp or shigella spp = shigella species
What type of pathogen causes shigella?
Shigella is caused by a type of bacterium. Specifically, it is a genus of bacteria belonging to the family Enterobacteriaceae. Shigella is known to cause shigellosis, an infectious disease characterized by diarrhea, fever, and abdominal cramps. There are four main species of Shigella, with Shigella dysenteriae, Shigella flexneri, Shigella boydii, and Shigella sonnei being the most common.
Colour of shigella in DCA medium?
The color of shigella in the DCA medium is straw or pink.
Who does shigella attack?
Shigella attacks all people especially weak children or infants.
What is the disease name for shigella dysenteriae?
Dysentery is the disease name. The pathogen name is Shigella Dysenteriae.
Is shigella dysentery acid fast positive?
No, Shigella dysentery is not acid-fast positive. Shigella is a genus of bacteria that are Gram-negative and do not retain the stain used in acid-fast bacilli (AFB) staining. Acid-fast positivity is characteristic of mycobacteria, such as Mycobacterium tuberculosis, not Shigella. Therefore, Shigella dysentery would not be identified as acid-fast in laboratory tests.
How are Shigella bacteria identified?
Shigella are identified by a combination of their appearance under the microscope and various chemical tests.
How is the Shigella infection spread?
Shigella infection spreads through food or water contaminated by human waste.
How many different groups of Shigella can affect humans?
Four different groups of Shigella can affect humans.
Who invented Shigella?
Shigella is not a product of invention but rather a genus of bacteria that was discovered. It was first identified in the early 20th century by Japanese bacteriologist Kiyoshi Shiga, after whom the bacterium Shigella dysenteriae was named. Shigella species are known to cause bacillary dysentery or shigellosis in humans.
Is shigella indole positive?
Shigella species are generally indole negative, except for Shigella flexneri, which can be indole positive depending on the specific strain. In laboratory identification, indole testing is used to differentiate between various enteric bacteria. Therefore, while most Shigella species do not produce indole, Shigella flexneri may show positive results under certain conditions.
Is Shigella Positive for a citrate test?
Based on my own test, Shigella flexneri tests negative for the citrate test.
