Which of the following biochemical test is ideal for identification of Neisseria gonorrhea?
Sucrose fermentation test
Oxidase test
Penicillin resistant test
Coagulase test
The Neisseria produce oxidase and give positive oxidase reactions. The oxidase test is a key test for identifying them. When bacteria are spotted on a filter paper soaked with tetramethyl paraphenylenediamine hydrochloride (oxidase), the neisseriae rapidly turn dark purple.Reference: Jawetz, Melnick, & Adelberg's Medical Microbiology; 27th edition; Chapter 20; The Neisseriae
Bacteriology