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Is shigella non motile bacteria?
Shigella is a non-motile, non-sporing, non-capsulated bacteria. It causes bacillary dysentery.
How infectious are the Shigella bacteria?
Shigella are extremely infectious bacteria, and ingestion of just 10 organisms is enough to cause severe diarrhea and dehydration.
What are examples of motile bacteria?
staphylococcus,shigella
Is shigella a bacteria protist fungi or virus?
Shigella is a type of bacteria. Specifically, it is a genus of gram-negative bacteria that can cause shigellosis, an infectious disease characterized by diarrhea. Shigella is transmitted through contaminated food or water and can spread easily in crowded environments.
How are Shigella bacteria identified?
Shigella are identified by a combination of their appearance under the microscope and various chemical tests.
Does shigella reproduce through conjugation?
No, Shigella does not reproduce through conjugation. Shigella primarily reproduces asexually through binary fission, a common method of replication in bacteria. Conjugation is a form of horizontal gene transfer where genetic material is exchanged between bacteria, but it is not a method of reproduction for Shigella itself.
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.
Who is the Shigella bacteria named after?
The bacteria is named in honor of Shiga, a Japanese researcher, who discovered the organism in 1897.
Does shigella have a cilia?
Shigella is a genus of Gram-negative, facultative anaerobic, non-spore-forming, non-motile, rod-shaped bacteria closely related to Salmonella. Non-motile means that it doesn't move, so no flagella.
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.
Shigella bacteria accounts for what percentage of diarrhea in travelers to Mexico and South America?
Shigella accounts for about 10% of diarrhea illness in travelers to Mexico, South America, and the tropics.
Is shigella positive or negative in catalase test?
Shigella is catalase positive. This means that it produces the enzyme catalase, which breaks down hydrogen peroxide into water and oxygen. This characteristic can be used to help differentiate Shigella from other enteric bacteria in laboratory settings.
