Phylogenetic Links in Plant Defense Systems

Lignans, Isoflavonoids, and Their Reductases

David R. Gang, Albena T. Dinkova-Kostova, Laurence B. Davin, Norman G. Lewis

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Many lignans and isoflavonoids derived from (+)-pinoresinol/ (+)-lariciresinol and isoflavone reductases, respectively, have important roles in plant defense against pests and pathogens. In addition to their somewhat comparable physiological functions, other similarities are noted between these apparently unrelated branches of phenylpropanoid metabolism which suggest a phylogenetic link. These include similar enzymatic mechanisms, gene sequence homology, and putatively conserved protein phosphorylation sites for the pivotal branch point reductases, as well as comparable roles in [inducible] defense systems. Taken together with a detailed chemotaxonomic analysis of metabolite occurrence, it is proposed that during plant evolution, (+)-pinoresinol/(+)-lariciresinol reductase served as progenitor of the isoflavone reductases.

Original languageEnglish
Pages (from-to)58-89
Number of pages32
JournalACS Symposium Series
Volume658
DOIs
Publication statusPublished - 1 Dec 1997

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vestitone reductase
Lignans
Oxidoreductases
Phosphorylation
Pathogens
Metabolites
Metabolism
Genes
Proteins
lariciresinol reductase
pinoresinol

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abstract = "Many lignans and isoflavonoids derived from (+)-pinoresinol/ (+)-lariciresinol and isoflavone reductases, respectively, have important roles in plant defense against pests and pathogens. In addition to their somewhat comparable physiological functions, other similarities are noted between these apparently unrelated branches of phenylpropanoid metabolism which suggest a phylogenetic link. These include similar enzymatic mechanisms, gene sequence homology, and putatively conserved protein phosphorylation sites for the pivotal branch point reductases, as well as comparable roles in [inducible] defense systems. Taken together with a detailed chemotaxonomic analysis of metabolite occurrence, it is proposed that during plant evolution, (+)-pinoresinol/(+)-lariciresinol reductase served as progenitor of the isoflavone reductases.",
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Phylogenetic Links in Plant Defense Systems : Lignans, Isoflavonoids, and Their Reductases. / Gang, David R.; Dinkova-Kostova, Albena T.; Davin, Laurence B.; Lewis, Norman G.

In: ACS Symposium Series, Vol. 658, 01.12.1997, p. 58-89.

Research output: Contribution to journalArticle

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