J Integr Plant Biol ›› 2009, Vol. 51 ›› Issue (6): 581-592.DOI: 10.1111/j.1744-7909.2009.00829.x

Special Issue: Abiotic Stresses

• Plant-environmental Interactions • Previous Articles     Next Articles

Quantitative Structure-property Relationship Studies on Amino Acid Conjugates of Jasmonic Acid as Defense Signalling Molecules

Zu-Guang Li 1*, Ke-Xian Chen 1, Hai-Ying Xie 1 and Jian-Rong Gao 1   

  1. 1 College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310014, China
  • Received:2008-09-08 Accepted:2009-03-08 Published:2009-06-08
  • About author: *Author for correspondence. Tel(Fax): +86 571 8832 0306; E-mail: .

Abstract:

Jasmonates and related compounds, including amino acid conjugates of jasmonic acid, have regulatory functions in the signaling pathway for plant developmental processes and responses to the complex equilibrium of biotic and abiotic stress. But the molecular details of the signaling mechanism are still poorly understood. Statistically significant quantitative structure-property relationship models (r2 > 0.990) constructed by genetic function approximation and molecular field analysis were generated for the purpose of deriving structural requirements for lipophilicity of amino acid conjugates of jasmonic acid. The best models derived in the present study provide some valuable academic information in terms of the 2/3D-descriptors influencing the lipophilicity, which may contribute to further understanding the mechanism of exogenous application of jasmonates in their signaling pathway and designing novel analogs of jasmonic acid as ecological pesticides.

Li ZG, Chen KX, Xie HY, Gao JR (2009). Quantitative structure-property relationship studies on amino acid conjugates of jasmonic acid as defense signaling molecules. J. Integr. Plant Biol. 51(6), 581–592.

Key words: Amino acid conjugates of jasmonic acid, Quantitative structure-property relationship (QSPR), Qctanol/water partition coefficient (logP), Defense signalling molecules

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