ArticleChembiochem : a European journal of chemical biology2022
Cell-Free Protein Synthesis for the Screening of Novel Azoreductases and Their Preferred Electron Donor.
Article in Chembiochem : a European journal of chemical biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 11 citations in OpenAlex.
- Rapid screening of staphylokinase protein variants using an unpurified cell-free expression system.FEBS open bio · 2026Article
- Developing anACS synthetic biology · 2025Article
- Cell-Free Gene Expression: Methods and Applications.Chemical reviews · 2025Review
- Discovery and biochemical characterization of thermostable glycerol oxidases.Applied microbiology and biotechnology · 2024Article
- Applications of cell free protein synthesis in protein design.Protein science : a publication of the Protein Society · 2024Review
- Cell-Free Protein Synthesis for the Screening of Novel Azoreductases and Their Preferred Electron Donor.Chembiochem : a European journal of chemical biology · 2022Article
- Vesicle-based cell-free synthesis of short and long unspecific peroxygenases.Frontiers in bioengineering and biotechnology · 2022Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
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Abstract
Azoreductases are potent biocatalysts for the cleavage of azo bonds. Various gene sequences coding for potential azoreductases are available in databases, but many of their gene products are still uncharacterized. To avoid the laborious heterologous expression in a host organism, we developed a screening approach involving cell-free protein synthesis (CFPS) combined with a colorimetric activity assay, which allows the parallel screening of putative azoreductases in a short time. First, we evaluated different CFPS systems and optimized the synthesis conditions of a model azoreductase. With the findings obtained, 10 azoreductases, half of them undescribed so far, were screened for their ability to degrade the azo dye methyl red. All novel enzymes catalyzed the degradation of methyl red and can therefore be referred to as azoreductases. In addition, all enzymes degraded the more complex and bulkier azo dye Brilliant Black and four of them also showed the ability to reduce p-benzoquinone. NADH was the preferred electron donor for the most enzymes, although the synthetic nicotinamide co-substrate analogue 1-benzyl-1,4-dihydronicotinamide (BNAH) was also accepted by all active azoreductases. This screening approach allows accelerated identification of potential biocatalysts for various applications.
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