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Terpenes are bioactive natural products derived from plants with several commercial applications. Here, the authors engineer a cell-free system composed of 27 enzymes that convert glucose into terpenes, highlighting the potential of synthetic biochemistry approaches for biocompounds production.
Recording systems would allow synthetic organisms to store a ‘memory’ of a past event for future reference. Here the authors design an epigenetic memory system in E. coli that methylates DNA in response to exogenous and endogenous signals.
Many bacteria can infect and persist inside their hosts for long periods of time. In this Review, Fisher, Gollan and Helaine discuss recent developments in our understanding of bacterial persisters and their potential implications for the treatment of persistent infections.
The design and mutagenesis of an α-helix-containing monomeric miniprotein, PPα-Tyr, provide insights into weak noncovalent CH–π interactions that help define and stabilize folded proteins and protein–ligand interactions.
A synthetic biology system composed of light-wavelength-responsive genetic regulators, signal-processing circuits and pigment-production pathways have resulted in an Escherichia coli strain that can record color images in RGB format.
The properties of many transmembrane or aggregation-prone proteins make them difficult to recombinantly express. Here the authors use a modified N-terminal domain of a spider silk protein to express and purify several difficult to express proteins at levels considerably higher than with conventional tags.
Multiple optogenetic technologies are required to control biological activity simultaneously with different colors of light. Optimizing a near-infrared-induced heterodimerization system, which can be combined with blue-light-controlled domains, enables precise spatiotemporal control of target molecules in live mammalian cells.
The WHO listed Helicobacter pylori among 16 antibiotic-resistant bacteria that pose the greatest threat to human health. Given the alarmingly high H. pylori antibiotic resistance rates, antibiotic stewardship programmes need to be developed and implemented. Future research should explore provider and systems-level barriers to H. pylori antibiotic susceptibility testing.