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Other Adaptive Responses

Other Adaptive Responses. Chemotaxis or controlled movement Quorum sensing Biofilm. E. Chemotaxis. Synthesis of flagella often induced by nutrient limitation (expression of early genes induced). Synthesis requires expression of 3 sets of genes Middle make basal boy, hook

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378 views • 18 slides

Bacterial Chemotaxis

Bacterial Chemotaxis. Bacteria swim toward attractants and away from repellents. Their motion is a biased random walk due to control of tumbling frequency. They measure gradients in time, not space. They adapt over time. Chemotaxis probably relies on clustering and cooperation among receptors.

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237 views • 16 slides

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Other Adaptive Responses

Bacterial Chemotaxis