First synthetic circuit consists of entirely fast, reversible protein-protein interactions
Synthetic biology offers a way to engineer cells to perform novel functions, such as glowing with fluorescent light when they detect a certain chemical. Usually, this is done by altering cells so they express genes that can be triggered by a certain input.
However, there is often a long lag time between an event such as detecting a molecule and the resulting output, because of the time required for cells to transcribe and translate the necessary genes. MIT synthetic biologists have now developed an alternative approach to designing such circuits, which relies exclusively on fast, reversible protein-protein interactions.
Engineers create protein circuits which respond in seconds
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MIT team employs synthetic biology to create circuits that could detect signs of disease
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