Light and plant development [[electronic resource] /] / edited by Garry C. Whitelam and Karen J. Halliday

• Record Nr.: UNISA996213961203316
• Pubbl/distr/stampa: Oxford ; ; Ames, Iowa, : Blackwell Pub., 2007
• ISBN: 1-281-32031-5; 9786611320317; 0-470-98889-4; 0-470-99429-0
• Descrizione fisica: 1 online resource (350 p.)
• Collana: Annual plant reviews ; ; v. 30
• Classificazione: 42.42
• Altri autori (Persone): WhitelamGarry C; HallidayKaren J
• Disciplina: 571.8/2; 572.46; 580.5
• Soggetti: Phytochrome; Plants - Photomorphogenesis; Plants - Development
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Light and Plant Development; Contents; Contributors; Preface; Part I Photoreceptors; 1 Phytochromes; 1.1 Introduction; 1.2 Historical aspects; 1.3 Properties of phyA in vivo; 1.4 Properties in yeast cells; 1.5 In vivo properties of phytochromes; 1.5.1 In vivo spectroscopy; 1.6 Intracellular localisation of phytochromes; 1.6.1 Classical methods; 1.6.2 Spectroscopic methods; 1.6.3 Cell biological methods; 1.6.4 Immunocytochemical methods; 1.6.5 Novel methods; 1.7 Intracellular localisation of phyB in dark and light; 1.8 Intracellular localisation of phyA in dark and light; 1.9 Intracellular localisation of phyC, phyD and phyE in dark and light1.10 Phytochrome/PIF3 co-localisation and nuclear speckles; 1.11 Regulation of intracellular localisation of phytochromes; Acknowledgements; References; 2 Cryptochromes; 2.1 Introduction; 2.2 Cryptochrome genes and their evolution; 2.3 Cryptochrome domains, chromophores and structure; 2.3.1 Domain structure of the ; cryptochromes; 2.3.2 Cryptochrome chromophores; 2.3.3 Photolyase and cryptochrome structure; 2.3.3.1 Photolyase structure and reaction mechanism; 2.3.3.2 Cryptochrome structure; 2.4 Cryptochrome biochemistry and spectroscopy2.4.1 Phosphorylation; 2.4.2 Nucleotide-binding and kinase activity; 2.4.3 DNA-binding activity; 2.4.4 Electron transfer; 2.5 Expression and biological activity of cryptochromes; 2.5.1 Expression and light regulation of cryptochromes in planta; 2.5.2 Cellular localization; 2.5.3 Growth responses controlled by cryptochromes; 2.5.4 Regulation of gene expression through cryptochromes; 2.6 Cryptochrome signalling; 2.6.1 Dimerization and output domains; 2.6.2 Cryptochrome partners; 2.6.2.1 Interaction with COP1; 2.6.2.2 Interaction with zeitlupe/ADAGIO12.6.2.3 Interaction with phytochromes; 2.6.3 Further downstream components; 2.7 Summary; Acknowledgements; References; 3 Phototropins and other LOV-containing proteins; 3.1 Introduction; 3.2 Phototropins and their biological functions; 3.2.1 Physiological roles in higher plants; 3.2.2 Physiological roles in lower plants; 3.3 Phototropin structure, localization and activity; 3.3.1 Phototropin structure and localization; 3.3.2 Phototropin autophosphorylation; 3.4 Light sensing by the LOV domains; 3.4.1 LOV-domain photochemistry; 3.4.2 LOV-domain structure3.4.3 Functional roles of LOV1 and LOV2; 3.4.4 Light-induced protein movements; 3.5 Phototropin signaling; 3.5.1 Phototropin-interacting proteins; 3.5.2 Downstream signaling targets; 3.6 Other LOV-containing proteins; 3.6.1 LOV-containing proteins in Arabidopsis; 3.6.2 LOV-containing proteins in fungi; 3.6.3 LOV-containing proteins in bacteria; 3.7 Conclusions and future perspectives; Acknowledgements; References; Part II Photoreceptor signal transduction; 4 Phytochrome-interacting factors; 4.1 Introduction; 4.2 Methodology; 4.2.1 Initial identification of PIFs; 4.2.2 Subsequent assay and characterization of the interaction
• Sommario/riassunto: Living organisms are subject to fluctuating environmental conditions. Whereas most animals are able to move away from unfavourable conditions, plants are sessile and so must cope with whatever comes their way. Of all the environmental cues that challenge the developing plant, light can probably be considered to be the most important. In addition to its key role in plant metabolism, and hence almost all life on Earth, where it drives the process of photosynthesis, light energy also acts to regulate plant growth and development. Light quantity, quality, direction and diurnal and seasonal duratio

Ancistrocladus naphthylisoquinoline alkaloids / / edited by A. Douglas Kinghorn, Heinz Falk, Simon Gibbons, Yoshinori Asakawa, Ji-Kai Liu, Verena M Dirsch

• Record Nr.: UNINA9910733715503321
• Pubbl/distr/stampa: Cham : , : Springer International Publishing : , : Imprint : Springer, , 2023
• ISBN: 3-031-10457-9
• Edizione: [1st ed. 2023.]
• Descrizione fisica: 1 online resource (344 pages) : illustrations (black and white, and colour)
• Collana: Progress in the Chemistry of Organic Natural Products, , 2192-4309 ; ; 119
• Disciplina: 769; 572.549
• Soggetti: Alkaloids; Botanical chemistry
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: 1. Introduction -- 2. Naphthylisoquinoline Alkaloids, a Fascinating Class of Axially Chiral Biaryl Natural Products -- 3. Ancistrocladus, a Genus of Woody Lianas of the Monotypic Plant Family Ancistrocladaceae Widely Occurring in India, Sri Lanka, and Southeast Asia -- 4.The Indian Liana Ancistrocladus heyneanus and Ancistrocladus hamatus from Sri Lanka: Early Studies and More Recent Discoveries -- Full Absolute Stereostructures of Naphthylisoquinoline Alkaloids Directly from Crude Extracts: Characterization of New Metabolites from Ancistrocladus griffithii by the HPLC-MS/MS-NMR-ECD Triad -- 6. Ancistrobenomine A, the First Naphthylisoquinoline Alkaloid with a Hydroxymethylene Function at C-3, and Related 5,1'-Coupled Compounds -- 7. Ancistrocladus cochinchinensis from Central Vietnam, a Distinct Ancistrocladus Taxon? — Metabolite Pattern und Phylogenetic Relationship to Ancistrocladus aff. tectorius from China -- 8.Widespread Throughout Southeast Asia: Ancistrocladus tectorius, a Rich Source of Unique, Structurally Most Diverse Mono- and Dimeric Naphthylisoquinoline Alkaloids -- 9. Tables of the Naphthylisoquinoline Alkaloids and Related Compounds Isolated from ; Asian Ancistrocladus Species.
• Sommario/riassunto: This book describes a unique class of secondary metabolites, the mono- and dimeric-naphthylisoquinoline alkaloids. They exclusively occur in lianas of the palaeotropical Ancistrocladaceae and Dioncophyllaceae plant families. Their unprecedented structures include stereogenic centers and rotationally hindered, and therefore stereogenic, axes. Extended recent investigations on six Ancistrocladus species from Asia, as reported in this contribution, shed light on their fascinating phytochemical productivity, with over 100 intriguing natural products. This high chemodiversity arises from a similarly unique biosynthesis from acetate-malonate units, following a novel polyketidic pathway to plant-derived isoquinoline alkaloids. Some of the compounds show most promising anti-parasitic activities. Additionally, strategies for the regio- and stereoselective total synthesis of the alkaloids, including the directed construction of the chiral axis, are also presented.