The TSI media will be black in color after 48 hours incubation of proteus vulgaris gram.
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.
IMViC results for Proteus vulgaris are typically indole negative, methyl red positive, Voges-Proskauer negative, and citrate positive. TSI results for Proteus vulgaris show alkaline/alkaline (red/red) slant/butt with no gas production and no hydrogen sulfide production.
The TSI (Triple Sugar Iron) test is commonly used to differentiate between members of Enterobacteriaceae family, such as Salmonella, Shigella, and E. coli based on their ability to ferment lactose, sucrose, and produce hydrogen sulfide gas. It is particularly useful in identifying pathogens causing foodborne illnesses.
The TSI test for Klebsiella typically shows alkaline slant/acid butt results, meaning the organism ferments glucose but not lactose or sucrose. Klebsiella is usually a glucose fermenter and produces gas, causing the butt to be lifted.
tsi-s-du
1979
Most likely TSI= turbo sport intercooled. Chrysler used the same TSI terminology for a previous vehicle of theirs.
TSI means Turbo Sport Intercooled
The purpose of a TSI (Thyroid-Stimulating Immunoglobulin) test is to measure the level of antibodies that stimulate the thyroid gland in the blood. It is primarily used to help diagnose Graves' disease, an autoimmune disorder that causes hyperthyroidism.
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alpha-glucosidase test: using 5-bromo-4-chloro-3-indolyl-alpha-D-glucopyranoside (included in chromogenic media), but not using alpha-methyl-glucoside fermentation. Cronobacter (E. sakazakii) are positive for this test and E. aerogenes are negative.