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Aeromonas hydrophilia, Aeromonas punctata, Bacillus alvei, mostCitrobacter sp., EdwardsiellaEscherichia coli, Flavobacterium sp., Haemophilus influenzae, most Proteus sp. (not P. mirabilis), Plesiomonas shigelloides,Pasturella multocida, Pasturella pneumotropica, Streptococcus faecalis, andVibrio sp. sp.,
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Name one indole positive organism?
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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.
What test will differentiate between Proteus vulgaris and Citrobacter freundii?
Indole test,Proteus vulgaris is be indole positive and Citrobacter freundii will be indole negative
Organism which is citrate positive indole negative MR negative VP negative sorbitol negative?
The organism is likely to be Escherichia coli. E. coli is citrate positive since it can utilize citrate as a carbon source, but it is indole negative as it does not produce indole from tryptophan. Additionally, E. coli is MR (methyl red) negative and VP (Voges-Proskauer) negative, indicating its fermentation pattern. Lastly, E. coli is typically sorbitol negative, meaning it does not ferment sorbitol.
Is staphylococcus epidermidis indole positive?
S.aureus is a positive gram. Indole test is a part the biochemistry test to determinate a bacteria negative gram. indole test used to determine S.aureus, the result is negative. That is improve which S.aureus haven't trytophanase enzym (please see indole test principle)bcb
Indole test in vibro cholera?
The indole positive test is used to test the absence or presence of the vibro cholera.
What color is negative indole test?
A negative indole test typically shows no color change, indicating the absence of indole production. The medium remains yellow or unchanged, suggesting that the tested organism does not possess the enzyme tryptophanase, which is responsible for converting tryptophan to indole.
Does proteus vulgaris produce h2s?
Yes, it does. It is Indole Production positive, H2S positive, and Motility positive. This can all be seen using SIM agar. Yes, it does. It is Indole Production positive, H2S positive, and Motility positive. This can all be seen using SIM agar.
What test will differentiate between Klebsiella pneumonia and Citrobacter freundii?
Biochemical tests such as indole test and citrate utilization can help differentiate between Klebsiella pneumoniae and Citrobacter freundii. Klebsiella pneumoniae is indole negative and citrate positive, while Citrobacter freundii is indole positive and citrate negative. Additional tests like urease and motility can also aid in differentiation.
What is Staphylococcus aureus sim test results?
Staphylococcus aureus is negative for motility, and positive for the indole production. The SIM test tests for sulfur reduction, indole production and motility. Positive for indole production means tryptophan is broken down into indole and pyruvate and will give a red color. Motility, you will see the bacteria move outside of the stab. Positive for sulfur reduction will give a black color in the medium.
What is a SIM tube?
A test that shows the sulfer, indole, and motility of a micro organism.
Organism which is indole negative mr positive vp negative citrate positive?
Sounds like Citrobacter freundii. Double check that you do have a gram negative rod that is motile, H2S negative and oxidative negative (most gram neg rods are).
