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 […]
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 […]
Capsular polysaccharides Neisseria meningitidis strains are frequently encapsulated and 13 different capsular serogroups have been found so far. These capsular polysaccharides protect the meningococci from the action of phagocytic cells and enhance organism’s survival during […]
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