Proteomics

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1 Enhanced assembly of bacteriophage T7 produced in cell-free reactions under simulated microgravity


ABSTRACT: On-demand biomanufacturing has the potential to improve healthcare and self- sufficiency during space missions. Cell-free transcription and translation reactions combined with DNA blueprints can produce promising therapeutics like bacteriophages and virus-like particles. However, how space conditions affect the synthesis and self-assembly of such complex multi- protein structures is unknown. Here, we characterize the cell-free production of infectious bacteriophage T7 virions under simulated microgravity. Rotation in a 2D-clinostat increased the number of infectious particles compared to static controls. Quantitative analyses by mass spectrometry, immuno-dot-blot and real-time PCR showed no significant differences in protein and DNA contents, suggesting enhanced self-assembly of T7 phages in simulated microgravity. While the effects of genuine space conditions on the cell-free synthesis and assembly of bacteriophages remain to be investigated, our findings support the vision of a cell-free synthesis-enabled “astropharmacy”.

INSTRUMENT(S): Orbitrap Exploris 480

ORGANISM(S): Escherichia Coli

SUBMITTER: Timo Glatter  

LAB HEAD: Timo Glatter

PROVIDER: PXD044176 | Pride | 2024-03-13

REPOSITORIES: Pride

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