Neisseria gonorrhoeae, the gonococcus, is a gram-negative diplococcus that causes the sexually transmitted disease gonorrhea. Gonorrhea commonly manifests as cervicitis, urethritis, and conjunctivitis. Neisseria gonorrhoeae is an exclusive human pathogen that primarily infects the urogenital […]
Traditionally, Cystine Trypticase Agar (CTA) supplemented with a 1% carbohydrate solution was used to determine acid production by Neisseria and related species. This test is no longer recommended now and has been replaced by the […]
Neisseria gonorrhoeae and Neisseria meningitides are Gram negative diplococci (kidney bean-shaped) with flattened sides. They are characteristically found inside polymorphonuclear leucocytes. They are non-sporing, non-motile and oxidase positive. They have exacting growth requirements and do […]
Neisseria is the only pathogenic gram negative cocci (precisely diplococci). Two species of Neisseria causes disease in humans; Neisseria meningitidis and Neisseria gonorrhoeae. Human beings are only known hosts of N.gonorrhoeae. Neisseria gonorrhoeae (often called gonococcus) causes […]
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