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Differences between Neisseria gonorrhoeae and Neisseria meningitides

November 24, 2015 Acharya Tankeshwar 1

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 […]

Virulence factors produced by Neisseria meningitidis and their roles in pathogenesis

June 9, 2013 Acharya Tankeshwar 0

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 […]