malonate utilization

malonate utilization

a biochemical test used for the identification of Salmonella arizonae based on the utilization of malonate in the broth as the sole carbon source.
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0%) Biochemical testsStrain not to show indole, phenyl-amine deamination, ONPG , urea hydrolysis and raffinose, lactose, arabinose, adonitol, rhamnose metabolismStrain show lysine, ornithine, arginine, malonate utilization, protease, skim milk, gelatin and starch hydrolysis, nitrate reduction, catalase test and glucose, mannitol, xylose, inositol, sorbitol, sucrose, salicin metbolism
All organisms including gram positive and gram negative bacteria were subjected to a battery of tests as follows: Gram staining for morphology, hanging drop for motility, capsular staining using Congo red, for production of enzymes-Oxidase, Catalase, Nitrate reduction, Urease, for substrate utilization-Citrate utilization test, Malonate utilization, for metabolism of proteins and amino acids- Indole production, tests for specific breakdown products-Methyl red test, Voges-Proskauer (Acetoin production), tests for utilisation of carbohydrates of sugar media containing Glucose, Lactose, Xylose, Sucrose, Maltose, Mannitol.