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Hiroshi Ashihara
Plant Nucleotide Metabolism
Читать книгу Plant Nucleotide Metabolism - Hiroshi Ashihara - Страница 1
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Вернуться на страницу книги Plant Nucleotide Metabolism
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Страница 1
Table of Contents
List of Tables
List of Illustrations
Guide
Pages
Plant Nucleotide Metabolism – Biosynthesis, Degradation, and Alkaloid Formation
Страница 8
Preface
Страница 10
1 Structures of Nucleotide-Related Compounds 1.1 Introduction
1.2 Nomenclature and Abbreviations of Nucleotide-Related Compounds
1.3 Chemical Structures of Nucleotide-Related Compounds
1.3.1 Purines
1.3.1.1 Purine Bases
1.3.1.2 Purine Nucleosides
1.3.1.3 Purine Nucleotides
1.3.2 Pyrimidines
1.3.2.1 Pyrimidine Bases
1.3.2.2 Pyrimidine Nucleosides
1.3.2.3 Pyrimidine Nucleotides
1.3.3 Pyridines
1.4 Summary
References
2 Occurrence of Nucleotides and Related Metabolites in Plants 2.1 Purines and Pyrimidines
2.1.1 Concentration of Purine and Pyrimidine Nucleotides
2.1.2 Concentration of Purine and Pyrimidine Bases and Nucleosides
2.2 Pyridine Nucleotides 2.2.1 Concentration of Pyridine Nucleotides
2.2.2 Concentration of Nicotinate and Nicotinamide
2.3 Concentration of Cytokinins
2.4 Alkaloids Derived from Nucleotides
2.5 Summary
References
3 General Aspects of Nucleotide Biosynthesis and Interconversions
3.1 Introduction
3.2
De Novo
Biosynthesis of Ribonucleoside Monophosphates
3.3 Interconversion of Nucleoside Monophosphates, Nucleoside Diphosphates, and Triphosphates
3.3.1 Nucleoside-Monophosphate Kinase
3.3.2 Specific Nucleoside-Monophosphate Kinases
3.4 Conversion of Nucleoside Diphosphates to Nucleoside Triphosphates
3.4.1 ATP Synthesis by Electron Transfer Systems
3.4.2 Substrate-Level ATP Synthesis
3.4.3 Nucleoside-Diphosphate Kinase
3.5 Biosynthesis of Deoxyribonucleotides
3.6 Nucleic Acid Biosynthesis
3.7 Supply of 5-Phosphoribosyl-1-Pyrophosphate
3.8 Supply of Amino Acids for Nucleotide Biosynthesis
3.9 Nitrogen Metabolism and Amino Acid Biosynthesis in Plants
3.10 Summary
References
Страница 51
4 Purine Nucleotide Biosynthesis
De Novo
4.1 Introduction
4.2 Reactions and Enzymes
4.2.1 Synthesis of Phosphoribosylamine
4.2.2 Synthesis of Glycineamide Ribonucleotide
4.2.3 Synthesis of Formylglycineamide Ribonucleotide
4.2.4 Synthesis of Formylglycinamidine Ribonucleotide
4.2.5 Synthesis of Aminoimidazole Ribonucleotide
4.2.6 Synthesis of Aminoimidazole Carboxylate Ribonucleotide
4.2.7 Synthesis of Aminoimidazole Succinocarboxamide Ribonucleotide
4.2.8 Synthesis of Aminoimidazole Carboxamide Ribonucleotide
4.2.9 Synthesis of IMP via Formamidoimidazole Carboxamide Ribonucleotide
4.2.10 Synthesis of AMP
4.2.11 Synthesis of GMP
4.3 Summary
References
5 Salvage Pathways of Purine Nucleotide Biosynthesis 5.1 Introduction
5.2 Characteristics of Purine Salvage in Plants
5.3 Properties of Purine Phosphoribosyltransferases
5.3.1 Adenine Phosphoribosyltransferase
5.3.2 Hypoxanthine/Guanine Phosphoribosyltransferase
5.3.3 Xanthine Phosphoribosyltransferase
5.4 Properties of Nucleoside Kinases
5.4.1 Adenosine Kinase
5.4.2 Inosine/Guanosine Kinase
5.4.3 Deoxyribonucleoside Kinases
5.5 Properties of Nucleoside Phosphotransferase
5.6 Role of Purine Salvage in Plants
5.7 Summary
References
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