Deep model predictive control of gene expression in thousands of single cells

Jean-Baptiste Lugagne (), Caroline M. Blassick and Mary J. Dunlop ()
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Jean-Baptiste Lugagne: Boston University, Boston
Caroline M. Blassick: Boston University, Boston
Mary J. Dunlop: Boston University, Boston

Nature Communications, 2024, vol. 15, issue 1, 1-15

Abstract: Abstract Gene expression is inherently dynamic, due to complex regulation and stochastic biochemical events. However, the effects of these dynamics on cell phenotypes can be difficult to determine. Researchers have historically been limited to passive observations of natural dynamics, which can preclude studies of elusive and noisy cellular events where large amounts of data are required to reveal statistically significant effects. Here, using recent advances in the fields of machine learning and control theory, we train a deep neural network to accurately predict the response of an optogenetic system in Escherichia coli cells. We then use the network in a deep model predictive control framework to impose arbitrary and cell-specific gene expression dynamics on thousands of single cells in real time, applying the framework to generate complex time-varying patterns. We also showcase the framework’s ability to link expression patterns to dynamic functional outcomes by controlling expression of the tetA antibiotic resistance gene. This study highlights how deep learning-enabled feedback control can be used to tailor distributions of gene expression dynamics with high accuracy and throughput without expert knowledge of the biological system.

Date: 2024
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DOI: 10.1038/s41467-024-46361-1

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