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Neisseria meningitidis, a bacterium responsible for meningitis and septicemia, proliferates and eventually fills the lumen of blood capillaries with multicellular aggregates. The impact of this aggregation process and its specific properties are unknown. We first show that aggregative properties are necessary for efficient infection and study their underlying physical mechanisms. Micropipette aspiration...
Neisseria meningitidis is a bacterium responsible for severe sepsis and meningitis. Following type IV pilus‐mediated adhesion to endothelial cells, bacteria proliferating on the cellular surface trigger a potent cellular response that enhances the ability of adhering bacteria to resist the mechanical forces generated by the blood flow. This response is characterized by the formation of numerous 100...
In pathogenic bacteria, posttranslationally modified proteins have been found to promote bacterial survival, replication, and evasion from the host immune system. In the human pathogen Neisseria meningitidis, the protein PilE (15–18 kDa) is the major building block of type IV pili, extracellular filamentous organelles that play a major role in mediating pathogenesis. Previous reports have shown that...
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