ArticleFEBS open bio2022
Expression of a triple mutational des-pGlu brazzein in transgenic mouse milk.
Article in FEBS open bio, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 3 citations in OpenAlex.
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Authors and funding
6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Brazzein has excellent potential for use as a sweetener because of its high level of sweetening potency and stability against extreme temperature and pH. It is extracted from the tropical and difficult-to-cultivate African plant Pentadiplandra brazzeana, which hampers its commercial viability. Here we report the mammary-specific expression of wildtype or triple mutational (H31R/E36D/E41A) des-pGlu brazzeins in the milk of transgenic mice. Using enzyme-linked immunoassay (ELISA), western blot, and sweetness intensity testing, we confirmed that the triple mutation made the des-pGlu brazzein molecule 10,000 times sweeter than sucrose in a weight base, even after 10 min of incubation at 100 °C; in addition, the triple mutant was also significantly sweeter than the wildtype des-pGlu brazzein. This study provides new insights for producing brazzein or brazzein-sweetened milk from animals for use in food and healthcare applications.
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