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Gene Review

UGT75B1  -  UDP-glucosyltransferase 75B1

Arabidopsis thaliana

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High impact information on UGT1

  • Protein gel blot results revealed that UGT1 is associated with the membrane fraction and copurified with the product-entrapped callose synthase complex [1].
  • A sequence annotated as a UDP-glucose:IAA glucosyltransferase (IAA-UGT) in the Arabidopsis genome and expressed sequence tag data bases given its similarity to the maize iaglu gene sequence showed no activity toward IAA [2].
  • This study describes the first biochemical analysis of a recombinant IAA-UGT and provides the foundation for future genetic approaches to understand the role of 1-O-indole acetyl glucose ester in Arabidopsis [2].
  • Biochemical characterization of recombinant gene products following a phylogenetic analysis of the UDP-glucosyltransferase (UGT) multigene family of Arabidopsis has identified one enzyme (UGT84B1) with high activity toward the plant hormone indole-3-acetic acid (IAA) and three related enzymes (UGT84B2, UGT75B1, and UGT75B2) with trace activities [2].
  • Zearalenone added to yeast transformed with UGT73C6 was converted rapidly and efficiently to ZON-4-O-Glc, suggesting that the cloned UDP-glucosyltransferase could be used to produce reference glucosides of zearalenone and its derivatives [3].

Associations of UGT1 with chemical compounds


  1. A novel UDP-glucose transferase is part of the callose synthase complex and interacts with phragmoplastin at the forming cell plate. Hong, Z., Zhang, Z., Olson, J.M., Verma, D.P. Plant Cell (2001) [Pubmed]
  2. Identification and biochemical characterization of an Arabidopsis indole-3-acetic acid glucosyltransferase. Jackson, R.G., Lim, E.K., Li, Y., Kowalczyk, M., Sandberg, G., Hoggett, J., Ashford, D.A., Bowles, D.J. J. Biol. Chem. (2001) [Pubmed]
  3. Heterologous expression of Arabidopsis UDP-glucosyltransferases in Saccharomyces cerevisiae for production of zearalenone-4-O-glucoside. Poppenberger, B., Berthiller, F., Bachmann, H., Lucyshyn, D., Peterbauer, C., Mitterbauer, R., Schuhmacher, R., Krska, R., Glössl, J., Adam, G. Appl. Environ. Microbiol. (2006) [Pubmed]
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