Neisseria meningitidis
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Neisseria meningitidis, often referred to as the meningococcus, is a Gram-negative bacterium that can cause meningitis and other forms of meningococcal disease such as meningococcemia, a life-threaten
The growth of Neisseria meningitidis colonies on New York City agar
Neisseria meningitidis in cerebrospinal fluid (CSF) seen by Gram stain at 1000× magnification
Neisseria
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Neisseria is a large genus of bacteria that colonize the mucous membranes of many animals. Of the 11 species that colonize humans, only two are pathogens: N. meningitidis and N. gonorrhoeae.
Neisseria meningitidis
…extensively diverse genetically, this is due to horizontal gene transfers while in the nasophanrynx. Gene transfer can occur within and between genomes of Neisseria species, and it is the main mechanism of acquiring new traits. This is facilitated by the natural competence of the meningococci to take up foreign…
Neisseria gonorrhoeae with pus cells