A tribute to Ulrich Heber (1930–2016) for his contribution to photosynthesis research: understanding the interplay between photosynthetic primary reactions, metabolism and the environment
| Autor: | G. Heinrich Krause, Karl-Josef Dietz, Anja Krieger-Liszkay, Katharina Siebke |
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| Přispěvatelé: | Universität Bielefeld = Bielefeld University, Système membranaires, photobiologie, stress et détoxication (SMPSD), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS), Institut de Biologie Intégrative de la Cellule (I2BC), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Département Biochimie, Biophysique et Biologie Structurale (B3S), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Mécanismes régulateurs chez les organismes photosynthétiques (MROP), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Institut de Biologie Intégrative de la Cellule (I2BC) |
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
0106 biological sciences
0301 basic medicine History Chlorophyll a Chloroplasts [SDV]Life Sciences [q-bio] Lichen Plant Science Xanthophylls Photosynthesis Chloroplast 01 natural sciences Biochemistry History 21st Century 03 medical and health sciences chemistry.chemical_compound Chlorophyll a fluorescence Freezing Fluorometry Plant Physiological Phenomena chemistry.chemical_classification Quenching (fluorescence) Photorespiration Carbon metabolism Cyclic electron transport Light scattering food and beverages Plant physiology Cell Biology General Medicine 15. Life on land History 20th Century 21st Century Electron transport chain 20th Century 030104 developmental biology chemistry Xanthophyll Biophysics 010606 plant biology & botany |
| Zdroj: | Photosynthesis Research Photosynthesis Research, 2018, 137 (1), pp.17--28. ⟨10.1007/s11120-018-0483-2⟩ |
| DOI: | 10.1007/s11120-018-0483-2⟩ |
| Popis: | The dynamic and efficient coordination of primary photosynthetic reactions with leaf energization and metabolism under a wide range of environmental conditions is a fundamental property of plants involving processes at all functional levels. The present historical perspective covers 60 years of research aiming to understand the underlying mechanisms, linking major breakthroughs to current progress. It centers on the contributions of Ulrich Heber who had pioneered novel concepts, fundamental methods, and mechanistic understanding of photosynthesis. An important first step was the development of non-aqueous preparation of chloroplasts allowing the investigation of chloroplast metabolites ex vivo (meaning that the obtained results reflect the in vivo situation). Later on, intact chloroplasts, retaining their functional envelope membranes, were isolated in aqueous media to investigate compartmentation and exchange of metabolites between chloroplasts and external medium. These studies elucidated metabolic interaction between chloroplasts and cytoplasm during photosynthesis. Experiments with isolated intact chloroplasts clarified that oxygenation of ribulose-1.5-bisphosphate generates glycolate in photorespiration. The development of non-invasive optical methods enabled researchers identifying mechanisms that balance electron flow in the photosynthetic electron transport system avoiding its over-reduction. Recording chlorophyll a (Chl a) fluorescence allowed one to monitor, among other parameters, thermal energy dissipation by means of 'nonphotochemical quenching' of the excited state of Chl a. Furthermore, studies both in vivo and in vitro led to basic understanding of the biochemical mechanisms of freezing damage and frost tolerance of plant leaves, to SO2 tolerance of tree leaves and dehydrating lichens and mosses. |
| Databáze: | OpenAIRE |
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