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Véronique De Bera on Muck Rack

Véronique De Bera

As seen in: Color Research & Application
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Synthesis of branched-chain sugars with a DHAP-aldolase: ketones are electrophile substrates of rhamnulose-1-phosphate aldolases

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By Ekaterina Darii, Tibor Liptaj, Mounir Traikia, Christine Guérard-Hélaine, Victor Laurent, Angelina Aujon, Marine Debacker, Jean-Louis Petit, Virgil Hélaine, Martin Breza, Aline Mariage, Lionel Nauton, Marielle Lemaire, Marcel Salanoubat, Véronique De Bera
| Color Research & Application Verified
Dihydroxyacetone phosphate (DHAP)-dependent rhamnulose aldolases display an unprecedented versatility for ketones as electrophile substrates. We selected and characterized a rhamnulose aldolase from Bacteroides thetaiotaomicron (RhuABthet) to provide a proof of concept. DHAP was added as a nucleophile to several alpha-hydroxylated ketones used as electrophiles. This aldol addition was stereoselective and produced branched-chain monosaccharide adducts with a tertiary alcohol moiety.
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