Metabolism, structure and function of plant tetrapyrroles : introduction, microbial and eukaryotic chlorophyll synthesis and catabolism /
'Metabolism, Structure and Function of Plant Tetrapyrroles, ' Volume 90 in the Advances in Botanical Research series, is a compilation of the current state-of-the-art on the topic. Chapters in this new release cover Tetrapyrrole Pigments of Photosynthetic Antennae and Reaction Centers of H...
Clasificación: | Libro Electrónico |
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Otros Autores: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
London, United Kingdom :
Academic Press,
2019.
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Edición: | First edition. |
Colección: | Advances in botanical research ;
v. 90. |
Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Metabolism, Structure and Function of Plant Tetrapyrroles: Introduction, Microbial and Eukaryotic Chlorophyll Synthesis an ... ; Copyright; Contents; Contributors; Preface; Acknowledgments; Chapter One: Tetrapyrrole pigments of photosynthetic antennae and reaction centers of higher plants: Structures, biophysi ... ; 1. Introduction; 2. Structures, occurrence and functions of chlorophylls; 2.1. Tetrapyrrolic macrocycle; 2.2. The aliphatic side chain; 2.3. Central Mg2+ ion; 3. Photophysical features of chlorophylls; 3.1. Electronic structure of chlorophylls
- 4. Functioning and fine-tuning of chlorophylls4.1. The energy, quantum yield and lifetime of the S1 state; 5. Biosynthesis and biodegradation of chlorophylls; 5.1. Biosynthesis; 5.2. Biodegradation; 6. Photosensitizing versus photoprotective properties of chlorophylls; 7. Applications of chlorophylls; Acknowledgments; References; Chapter Two: Biosynthesis of chlorophylls and bacteriochlorophylls in green bacteria; 1. Introduction; 1.1. Light-harvesting in green bacteria; 1.2. Chlorophylls and bacteriochlorophylls of green bacteria; 2. Biosynthesis; 2.1. Early steps
- 2.2. Protoporphyrin IX to chlorophyllide a2.2.1. Magnesium chelation; 2.2.2. C13 propionate methylation; 2.2.3. Isocyclic E-ring formation; 2.2.4. Reduction of C17=C18 double bond; 2.2.5. Reduction of C8 vinyl group; 2.3. Chlorophyllide a to bacteriochlorophyllide a; 2.3.1. Reduction of the C7=C8 double bond; 2.3.2. Hydration of the C3 vinyl group; 2.3.3. 3-hydroxyethyl dehydrogenase; 2.4. Chlorophyllide a to bacteriochlorophyllide c, d, e, and f; 2.4.1. Demethoxycarbonylation of the C132 methylcarboxyl group; 2.4.2. Methylation at C8 and C12; 2.4.3. Hydration of the C31 position
- 2.4.4. Methylation of the C20 methine bridge2.4.5. Formation of the C7 formyl group of BChlide e; 2.5. The final steps in (B)Chl biosynthesis; 2.5.1. Esterification of (B)Chlide; 2.5.2. Reduction of the alcohol moiety; 3. Concluding remarks; Acknowledgments; Conflict of interest; References; Chapter Three: Chlorophylls c-Occurrence, synthesis, properties, photosynthetic and evolutionary significance; 1. Introduction; 2. Chlorophylls c family; 3. Excitation properties of chlorophylls c; 4. Chlorophylls c-Occurrence and evolutionary aspects; 5. Light-harvesting antenna with chlorophylls c
- 6. Chlorophyll c biosynthesis7. Conclusions; Acknowledgment; References; Chapter Four: Chlorophylls d and f: Synthesis, occurrence, light-harvesting, and pigment organization in chlorophyll-bind ... ; 1. Introduction; 2. Chemistry of chlorophyll d and chlorophyll f; 2.1. Formyl substitution; 2.1.1. Chlorophyll d; 2.1.2. Chlorophyll f; 2.2. Spectral properties of Chl d and Chl f; 2.3. Extinction coefficients; 2.4. Other chlorophyll derivatives; 2.4.1. 8-vinyl derivatives; 2.4.2. Hydroxymethyl derivates; 2.4.3. Formyl derivatives; 3. Distribution; 4. Photosynthetic functions