Regarding Proteus, which is true?: (A) Musty odour, (B) Most common infection caused is respiratory tract infection, (C) PPA test positive, (D) Esthiomene is a complication in females
Answer is C. Proteus shows PPA test positive. Proteus: Odor: Putrid 'fishy' or 'seminal' odour. Most common clinical manifestation-UTI (Urinary tract infection). Phenylalanine Deaminase test/ phenylpyruvic acid (PPA test): Tests the ability of an organism to produce enzyme deaminase. PPA test +ve - conves phenylalanine to phenylpyruvic acid. Used to differentiate Proteus, Morganella and Providencia (Positive) from other members of Enterobacteriaceae (PPA negative). Esthiomene is a genital elephantiasis- seen in Lymphogranuloma venereumcaused by Chlamydia trachomatis serovars L1, L2, or L3.