On the coupling of noisy processes in biology to produce functional phenotypic variability
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Noise is ubiquitous in biology. Recent studies have demonstrated that both gene expression and physiological processes, such as growth, can be noisy. The cell-to-cell variation resulting from this stochasticity has been implicated in survival strategies for bacterial populations. However, it remains unclear how single cells couple gene expression with growth to implement these strategies. In this thesis we show how noisy expression of a key stress response regulator, RpoS, allows