Author:
Moore Simon J.,MacDonald James T.,Weinecke Sarah,Kylilis Nicolas,Polizzi Karen M.,Biedendieck Rebekka,Freemont Paul S.
Abstract
AbstractAutomation and factorial experimental design together with cell-free in vitro transcription-translation systems offers a new route to the precise characterization of regulatory components. This now presents a new opportunity to illuminate the genetic circuitry from arcane microbial chassis, which are difficult to assess in vivo. One such host, Bacillus megaterium, is a giant microbe with industrial potential as a producer of recombinant proteins at gram per litre scale. Herein, we establish a B. megaterium cell-free platform and characterize a refactored xylose-repressor circuit using acoustic liquid handling robotics to simultaneously monitor 324 reactions in vitro. To accurately describe the system, we have applied a Bayesian statistical approach to infer model parameters by simultaneously using information from multiple experimental conditions. These developments now open up a new approach for the rapid and accurate characterization of genetic circuitry using cell-free reactions from unusual microbial cell chasses for bespoke applications.
Publisher
Cold Spring Harbor Laboratory
Cited by
5 articles.
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