Publications by authors named "Julia Jodlbauer"

Cyanobacteria show promise as hosts for whole-cell biocatalysis. Their photoautotrophic metabolism can be leveraged for a sustainable production process. Despite advancements, performance still lags behind heterotrophic hosts.

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In this chapter, we present a bidirectional promoter library toolbox to evaluate fast and efficiently the optimal conditions for the balanced co-expression of two target genes. As a proof-of-concept, we demonstrate the co-expression of CYP505x and the GroEL/ES complex, which resulted in noticeably elevated enzyme activity with one of the de-novo-designed promoters of the library. The new toolbox offers a straightforward one-pot cloning approach and is highly modular.

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The typically low thermodynamic and kinetic stability of enzymes is a bottleneck for their application in industrial synthesis. Baeyer-Villiger monooxygenases, which oxidize ketones to lactones using aerial oxygen, among other activities, suffer particularly from these instabilities. Previous efforts in protein engineering have increased thermodynamic stability but at the price of decreased activity.

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Recently, several studies have proven the potential of cyanobacteria as whole-cell biocatalysts for biotransformation. Compared to heterotrophic hosts, cyanobacteria show unique advantages thanks to their photoautotrophic metabolism. Their ability to use light as energy and CO as carbon source promises a truly sustainable production platform.

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