Gram-negative
Gram-negative cocci (GNCs): Diplococci Neisseria Small intracellular gram-negative diplococci. Neisseria meningitidis Neisseria meningitidis is gram-negative diplococci that colonizes human nasopharynx. It is encapsulated, which distinguishes it from other Neisseria spp and provides an anti-phagocytic protection. After colonizing nasopharynx, organism can evade immune response and reach meninges via bloodstream. Patients with terminal complement deficiency are highly […]
Gram-positive
Gram-Positive Cocci (GPCs) Staphylococci Staphylococcus aureus Beta-hemolytic, golden colored colonies on blood agar. One of the most common causes of infections in humans. The main habitat is the anterior nares in humans and as a colonizer of human skin. S. aureus has several important toxins that facilitate disease, including toxic-shock superantigens. S. aureus can cause […]
Bacteria
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Microbiology and Infectious Disease thread compendium
Additional resources Antimicrobials