Surface-displayed silicatein-α enzyme in bioengineered E. coli enables biocementation and silica mineralization
Toriana N. Vigil,
Nikolas K. Schwendeman,
Melanie L. M. Grogger
et al.
Abstract:Biocementation is an exciting biomanufacturing alternative to common cement, which is a significant contributor of CO2 greenhouse gas production. In nature biocementation processes are usually modulated via ureolytic microbes, such as Sporosarcina pasteurii, precipitating calcium carbonate to cement particles together, but these ureolytic reactions also produce ammonium and carbonate byproducts, which may have detrimental effects on the environment. As an alternative approach, this work examines biosilicificat… Show more
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