RT Journal Article SR Electronic T1 Theoretical design of a space bioprocessing system to produce recombinant proteins JF bioRxiv FD Cold Spring Harbor Laboratory SP 2022.09.20.508767 DO 10.1101/2022.09.20.508767 A1 Mathangi Soundararajan A1 Matthew B. Paddock A1 Michael Dougherty A1 Harry W. Jones A1 John A. Hogan A1 Frances M. Donovan A1 Jonathan M. Galazka A1 A. Mark Settles YR 2022 UL http://biorxiv.org/content/early/2022/09/22/2022.09.20.508767.abstract AB Space-based biomanufacturing has the potential to improve the sustainability of deep space exploration. To advance biomanufacturing, bioprocessing systems need to be developed for space applications. Here, commercial technologies were assessed to design space bioprocessing systems to supply a liquid amine carbon dioxide scrubber with active carbonic anhydrase produced recombinantly. Design workflows encompassed biomass dewatering of 1 L Escherichia coli cultures through to recombinant protein purification. Equivalent system mass (ESM) analyses had limited utility for selecting specific technologies. Instead, bioprocessing system designs focused on minimizing complexity and enabling system versatility. Three designs that differed in biomass dewatering and protein purification approaches had nearly equivalent ESM of 357-522 kg eq. Values from the system complexity metric (SCM), technology readiness level (TRL), and degree of crew assistance metric identified a simpler, less costly, and easier to operate design for automated biomass dewatering, cell lysis, and protein affinity purification.Competing Interest StatementThe authors have declared no competing interest.