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Conjugation of Allelochemicals by Plants Enzymatic Glucosylation of Salicylic Acid by Avena sativa

Balke, Nelson E. and Davis, Michael P. and Lee, Carol C. (1987) Conjugation of Allelochemicals by Plants Enzymatic Glucosylation of Salicylic Acid by Avena sativa. In: Allelochemicals: Role in Agriculture and Forestry. ACS Symposium Series. No.330. American Chemical Society , Washington, DC, pp. 214-227. ISBN 9780841209923. https://resolver.caltech.edu/CaltechAUTHORS:20180405-071623555

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Abstract

Plants have the ability to conjugate endogenous compounds to most allelochemicals absorbed from the environment. Conjugation reactions are thought to be important for detoxication of secondary products such as allelochemicals because conjugation increases the water solubility and decreases the chemical reactivity of the parent compound. Glucosylation, conjugation with glucose, is one of the most common conjugation reactions in plants. Numerous glucosyltransferase enzymes have been extracted from plants. Uridine diphosphate glucose (UDPG) is the preferred glucose donor for these enzymes. The range of secondary products a particular glucosyltransferase can conjugate has not been determined nor has the ability of allelochemicals to induce different glucosyltransferases in plants. Roots of Avena sativa conjugated glucose to salicylic acid, a phenolic" acid, when the allelochemical was present in solution bathing the tissue. The tissue's capacity to conjugate salicylic acid increased with time suggesting induction of glucosyltransferase activity in the tissue. A glucosyltransferase that transfers glucose from UDPG to the phenolic hydroxyl of salicylic acid was purified about 54-fold.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/bk-1987-0330.ch020DOIArticle
https://pubs.acs.org/doi/abs/10.1021/bk-1987-0330.ch020PublisherArticle
Additional Information:© 1987 American Chemical Society. Received January 21, 1986. Published in print 8 January 1987. Research supported by the College of Agricultural and Life Sciences, University of Wisconsin, Madison and SEA/USDA Grant 85-CRCR-1-1572 from the Competitive Research Grants Program.
Funders:
Funding AgencyGrant Number
University of Wisconsin-MadisonUNSPECIFIED
U.S. Department of Agriculture85-CRCR-1-1572
Series Name:ACS Symposium Series
Issue or Number:330
Record Number:CaltechAUTHORS:20180405-071623555
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180405-071623555
Official Citation:Conjugation of Allelochemicals by Plants Nelson E. Balke, Michael P. Davis, and Carol C. Lee Allelochemicals: Role in Agriculture and Forestry. January 8, 1987 , 214-227 DOI:10.1021/bk-1987-0330.ch020
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85624
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:05 Apr 2018 21:09
Last Modified:03 Oct 2019 19:33

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