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How can you differentiate between proteus mirabilis and proteus vulgarisi?
Proteus mirabilis and Proteus vulgaris can be differentiated based on their biochemical characteristics. One key distinction is that P. mirabilis is typically urease-positive and does not produce indole, while P. vulgaris is urease-positive and does produce indole. Additionally, P. vulgaris can be further differentiated from P. mirabilis by its motility and the ability to ferment certain carbohydrates. Laboratory tests, such as the urease test and indole test, can help confirm the identification of each species.
Which bacteria is NLF oxidase negative motile citrate and urease positive and TSI alkali nochange?
The bacteria described is likely to be Proteus species. Proteus is negative for oxidase, motile, and positive for citrate utilization, urease production, and TSI (triple sugar iron) test showing an alkaline/no change reaction. These characteristics are commonly associated with Proteus species.
What is proteus mirabilis results for urea test?
Proteus mirabilis is positive for the urea test, meaning it can hydrolyze urea, producing ammonia and raising the pH of the medium, causing a color change. This is due to the presence of the enzyme urease in Proteus mirabilis.
Explain how the urease test is useful for identifying members of the genus proteus?
Genus proteus is know for their fast hydrolysis of urea into ammonia. In presence of proteus the agar slant quickly turns pink (positve) while known proteus would be yellowish. The pink color is a sign of alkaline presence and the increase of pH (7-8.5) and phenol red is the pH color indicator. http://www.microbelibrary.org/Laboratory%20Diagnostics/details.asp?id=457&Lang=
Biochemical test results for proteus vulgaris?
Biochemical tests commonly used to identify Proteus vulgaris include urease test (positive result), indole test (negative result), motility test (positive result), citrate test (negative result), and carbohydrate fermentation tests (positive results for lactose and sucrose, negative result for glucose). These tests together help in confirming the presence of Proteus vulgaris in a given sample.
Does proteus vulgaris produce urease?
most definitely. it is a strong positive urease producer.
How can we differentiate between Salmonella and Proteus mirabilis and why are they are mistaken?
Proteus is phenylalanine deaminase, urease and indole positive Salmonella negative. Proteus swarm on nonselective media, Salmonella does not.
How can you differentiate between proteus mirabilis and proteus vulgarisi?
Proteus mirabilis and Proteus vulgaris can be differentiated based on their biochemical characteristics. One key distinction is that P. mirabilis is typically urease-positive and does not produce indole, while P. vulgaris is urease-positive and does produce indole. Additionally, P. vulgaris can be further differentiated from P. mirabilis by its motility and the ability to ferment certain carbohydrates. Laboratory tests, such as the urease test and indole test, can help confirm the identification of each species.
Which bacteria is NLF oxidase negative motile citrate and urease positive and TSI alkali nochange?
The bacteria described is likely to be Proteus species. Proteus is negative for oxidase, motile, and positive for citrate utilization, urease production, and TSI (triple sugar iron) test showing an alkaline/no change reaction. These characteristics are commonly associated with Proteus species.
What is proteus mirabilis results for urea test?
Proteus mirabilis is positive for the urea test, meaning it can hydrolyze urea, producing ammonia and raising the pH of the medium, causing a color change. This is due to the presence of the enzyme urease in Proteus mirabilis.
How is the urease test useful for identifying members of the genus proteus?
Urease, which is produced by some microorganisms, is an enzyme that is especially helpful in the identification of Proteus vulgaris. Although other organisms may produce urease, their action on the substrate tends to be slower than that seen with Proteus species. Therefore, this test serves to rapidly distinguish members of this genus from other non-lactose-fermenting enteric microorganisms.
Explain how the urease test is useful for identifying members of the genus proteus?
Genus proteus is know for their fast hydrolysis of urea into ammonia. In presence of proteus the agar slant quickly turns pink (positve) while known proteus would be yellowish. The pink color is a sign of alkaline presence and the increase of pH (7-8.5) and phenol red is the pH color indicator. http://www.microbelibrary.org/Laboratory%20Diagnostics/details.asp?id=457&Lang=
What bacteria is indole negative urea positive methyl red positive hydrogen sulfide positive and lactose negative?
Proteus vulgaris is a bacterium that fits this description. It is indole negative, urea positive, methyl red positive, hydrogen sulfide positive, and lactose negative. These characteristics are used in biochemical tests to help classify and identify different bacteria species.
What role does urease play in UTI?
The presence of urease indicates the presence of a specific bacteria called proteus. It's useful to identify the organism to determine the correct antibiotic to cure it.
Biochemical test results for proteus vulgaris?
Biochemical tests commonly used to identify Proteus vulgaris include urease test (positive result), indole test (negative result), motility test (positive result), citrate test (negative result), and carbohydrate fermentation tests (positive results for lactose and sucrose, negative result for glucose). These tests together help in confirming the presence of Proteus vulgaris in a given sample.
Is streptococcus salivarius positive for urease?
No. Streptococcus species are not urease positive.
What does urease positive mean?
Urease positive means, when there is trace of urease in blood/urine of some subject. Urease is an enzyme that changes urea into ammonium carbonate and (occurring in bacteria, fungi, etc.)
