๐Ÿฆ microbiology review

key term - M protein

Definition

M protein is a virulence factor found on the surface of certain bacteria, notably Streptococcus pyogenes. It plays a crucial role in evading the host immune response by inhibiting phagocytosis.

5 Must Know Facts For Your Next Test

  1. M protein contributes to the pathogenicity of Streptococcus pyogenes by preventing opsonization.
  2. The gene encoding M protein is highly variable, leading to numerous serotypes.
  3. M protein can bind to fibrinogen and complement regulatory proteins, enhancing bacterial survival.
  4. Laboratory detection of M protein can be critical for diagnosing streptococcal infections.
  5. Vaccines targeting M protein are being researched as potential preventive measures against streptococcal diseases.

Review Questions

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