Quorum sensing molecules: How the body cells spy out bacteria

Bacterial infection does not automatically lead to illness; many germs only become dangerous when they occur in large numbers. Researchers at the Max Planck Institute for Infection Biology in Berlin have discovered that the body has a receptor, which doesn't recognize bacteria themselves, but spies out their communication. The body uses this to register when so many bacteria are present that they secrete illness-inducing substances known as virulence factors.

from Phys.org - latest science and technology news stories https://ift.tt/2Z6YTTg

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