Publications by authors named "Michael B Sheets"

Article Synopsis
  • Molecules that can be controlled by light, like the LOVdeg tag, enable scientists to regulate cell behavior in a precise way using light.
  • The LOVdeg tag allows for the targeted degradation of specific proteins when exposed to blue light, making it versatile for various applications.
  • This system has been tested with different proteins and shows promise in enhancing other optogenetic tools, illustrating its potential in metabolic engineering and advancing bacterial optogenetics.
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As the impacts of engineering biology grow, it is important to introduce the field early and in an accessible way. However, teaching engineering biology poses challenges, such as limited representation of the field in widely used scientific textbooks or curricula, and the interdisciplinary nature of the subject. We have created an adaptable curriculum module that can be used by anyone to teach the basic principles and applications of engineering biology.

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Molecular tools for optogenetic control allow for spatial and temporal regulation of cell behavior. In particular, light controlled protein degradation is a valuable mechanism of regulation because it can be highly modular, used in tandem with other control mechanisms, and maintain functionality throughout growth phases. Here, we engineered LOVdeg, a tag that can be appended to a protein of interest for inducible degradation in using blue light.

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Antibiotics are a key control mechanism for synthetic biology and microbiology. Resistance genes are used to select desired cells and regulate bacterial populations, however their use to-date has been largely static. Precise spatiotemporal control of antibiotic resistance could enable a wide variety of applications that require dynamic control of susceptibility and survival.

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Optogenetic tools can provide direct and programmable control of gene expression. Light-inducible recombinases, in particular, offer a powerful method for achieving precise spatiotemporal control of DNA modification. However, to-date this technology has been largely limited to eukaryotic systems.

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