| Home > Publications database > Benzoxazolinone detoxification by N-Glucosylation: The multi-compartment-network of Zea mays L. |
| Journal Article | FZJ-2016-05446 |
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2016
Landes Bioscience
Austin, Tex.
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Please use a persistent id in citations: doi:10.1080/15592324.2015.1119962
Abstract: The major detoxification product in maize roots after 24 h benzoxazolin-2(3H)-one (BOA) exposure was identified as glucoside carbamate resulting from rearrangement of BOA-N-glucoside, but the pathway of N-glucosylation, enzymes involved and the site of synthesis were previously unknown. Assaying whole cell proteins revealed the necessity of H2O2 and Fe2+ ions for glucoside carbamate production. Peroxidase produced BOA radicals are apparently formed within the extraplastic space of the young maize root. Radicals seem to be the preferred substrate for N-glucosylation, either by direct reaction with glucose or, more likely, the N-glucoside is released by glucanase/glucosidase catalyzed hydrolysis from cell wall components harboring fixed BOA. [...]
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