Membranes and Circadian Rythms

Häftad, Engelska, 1995

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Beskrivning

This text shows that cell membranes vary according to the 24th cycle: it deals with circadian changes in membrane composition, principally the plasma membrane and with structural organization changes in some chloroplast thylakoids. It deals with changes in: activity or efficiency of pumps, channels, photo- and hormone receptors; sensitivity towards external signals; sensitivity to some drugs, including anaesthetics; and signal transduction. The cell cycle is discussed on theoretical and experimental grounds, as well as its gating by circadian rhythmicity. The rhythm generating mechanism is modelized. The circadian oscillation of the plasm membrane confers a temporal parameter.

Produktinformation

Utgivningsdatum:1995-10-11
Mått:155 x 235 x 14 mm
Vikt:371 g
Format:Häftad
Språk:Engelska
Antal sidor:226
Förlag:Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
ISBN:9783540601012

Utforska kategorier

Cellbiologi inom Naturvetenskap och teknik
Zoologi inom Naturvetenskap och teknik
Djurböcker inom Djur och Natur

Innehållsförteckning

and Overview.- Membrane Lipids and Circadian Rhythms in Neurospora crassa.- 2.1 Introduction.- 2.2 Lipids and Input.- 2.3 Lipid Metabolism and the Oscillator.- 2.4 Lipids and Output.- 2.5 Lipids and Temperature Compensation.- 2.6 Conclusion.- Membrane Glycosylation and Circadian Rhythms in Plant Systems and in Animal Normal and Transformed Systems.- 3.1 Introduction.- 3.2 Glycoproteins.- 3.3 Glycolipids.- 3.4 Proteoglycans.- 3.5 Oligosaccharins.- 3.6 Calcium.- 3.7 Tumors.- 3.8 Conclusion.- From Ultradian Biochemical Oscillations to Circadian Rhythms.- 4.1 Introduction.- 4.2 Biochemical Oscillations.- 4.3 Circadian Oscillations of the period Protein (PER) in Drosophila.- 4.4 Concluding Remarks.- Cross-talk Between Clocks: Regulation of Cell Division Cycles by Circadian Oscillators.- 5.1 Introduction.- 5.2 Coupling between Oscillator and Cell Cycle: Role of Cyclic AMP.- 5.3 Problems and Prospects: Interface with the Cyclin Clock.- Membrane Transport and Oscillations in Plants.- 6.1 Introduction.- 6.2 The Plasma Membrane H+-ATPase.- 6.3 Ion Channels.- 6.4 Temporal Oscillations.- 6.5 Spatial Oscillations.- 6.6 Conclusion.- Circadian Rhythms and Photoperception in Plants: The Role of Red Light and Blue Light.- 7.1 Introduction: plants and light (with exclusion of photo-synthesis).- 7.2 Phytochrome.- 7.3 Blue light.- 7.4 Blue light perception and the plasma membrane.- 7.5 Is there a role for free flavins in blue light perception?.- 7.6 Conclusion.- Temporal Variations in Tissular and Plasma Protein Binding of Drugs with Special Reference to their Erythrocyte Penetration as Mechanisms Involved in Chronopharmacological Effects.- 8.1 Introduction.- 8.2 Temporal variations in plasma protein binding of drugs.- 8.3 Temporal variations in tissular drug binding.- 8.4 Penetration of drugs into erythrocytes as a tool for the study of temporal variation in the passage of drugs through membranes.- 8.5 Chronopharmacological mechanisms at receptor sites.- 8.6 Conclusions.- Photosynthesis: a Post-Transcriptionally Regulated Circadian Rhythm in Some Lower Eukaryotes.- 9.1 Introduction.- 9.2 Circadian Rhythmicity Regulated at Post-Transcriptional Level.- 9.3 The Support of the Circadian Rhythm in Photosynthesis in three Unicellular Organisms.- 9.4 Final Remarks and Conclusions.- Circadian Rhythms, Membranes and Susceptibility to Environmental Factors.- 10.1 Introduction.- 10.2 Experimental Evidence.- 10.3 Conclusions.- The Plasma Membrane of Acetabularia: an Integrating Function Regulated by Circadian Rhythmicity.- 11.1 Introduction.- 11.2 Basic Rhythmic Activity of the Plasma Membrane.- 11.3 The Plasma Membrane Photoreceptor.- 11.4 The Plasma Membrane NADP(H)-Oxido-Reductase.- 11.5 The Peroxidase/Ascorbic Acid System.- 11.6 The Phytohormone Receptors.- 11.7 The Insulin Receptor. Its Role in Acetabularia.- 11.8 Discussion and Conclusion.