Metabolism and Regulation of Secondary Plant Products

List of Contributors

Preface

Dedication

Phenylalanine Ammonia-Lyase and Phenolic Metabolism

Introduction

Rates of Phenolic Biosynthesis

Substrate Control

Enzyme Regulation

Summary

References

Enzymology and Regulation of Flavonoid and Lignin Biosynthesis in Plants and Plant Cell Suspension Cultures

Introduction

Enzymology of Flavonoid Glycoside Formation in Petroselinum hortense and Comparison with Enzymes from Other Plants

Enzymology of Lignin Biosynthesis

References

Possible Multienzyme Complexes Regulating the Formation of C6-C3 Phenolic Compounds and Lignins in Higher Plants

Introduction

Sorghum as a Biological Test Organism

Enzymes of the C6—C3 Sequence

Potential Multienzyme Complexes and Lignin Formation

Conclusions: A Speculative Overview of the Role of Multienzyme Complexes in the Metabolism of Phenolic Compounds

References

Photoregulation of Phenylpropanoid and Styrylpyrone Biosynthesis in Polyporus hispidus

Introduction

Phenolic Metabolism in Polyporus

Conclusions

References

Nonprotein Amino Acids from Plants: Distribution, Biosynthesis, and Analog Functions

Introduction

Phenylalanine Derivatives, Homologs, and Analogs

Proline Analogs and the Active Site of Prolyl-tRNA Synthetase

Summary

References

Proteinase Inhibitors in Natural Plant Protection

Introduction

Discovery of the Wound Response

Characterization of the Wound Response

Proteinase Inhibitor Inducing Factor (PIIF)

Phylogenetic Search for PIIF

Summary

References

Regulatory Control Mechanisms in Alkaloid Biosynthesis

Introduction

General Considerations

Regulatory Control Mechanisms

Other Control Mechanisms Affecting Alkaloid Synthesis

Physiological and Evolutionary Significance of Alkaloids

References

The Biochemistry of myo-Inositol in Plants

Introduction

Biosynthesis of myo-Inositol

Biosynthesis and Breakdown of Phytic Acid

Indol-3-acetyl Esters of myo-Inositol

myo-Inositol as a Cofactor in Galactosyl Transfer Reactions

myo-Inositol as a Precursor of Uronic Acid and Pentose for Cell Wall Polysaccharide Biosynthesis

myo-Inositol as an Intermediate in Carbohydrate Metabolism and Sugar Interconversions

References

Unusual Fatty Acids in Plants

Introduction

Structures and Occurrence of Unusual Fatty Acids

Unusual Fatty Acids and Chemotaxonomy

Biosynthesis of Oxygenated Fatty Acids

Regulatory Factors and Unusual Fatty Acids

References

Subject Index