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MORE ABOUT THIS BOOK
Main description:
Living systemsare fundamentally dynamic and adaptive, relying on a constant throughput of energy. They are also, by definition, self-sustaining over the full range oflength and time scales (from sub-cellular structures to species considered as a whole). This characteristic combinationofconstant adaptive flux and emergent persistence requires that the propertiesofall living systems must, at some level, be cyclical. Consequently, oscillatory dynamics, in which system properties rise and fall in a regular rhythmic fashion, are a central featureofa wide rangeofbiological processes. The scale of biological oscillations covers enormous ranges, from the sub-cellular to the population level, and from milliseconds to years. While the existenceofanumberofbiologicaloscillations-such as the regular beating of the human heart or the life-cycle ofa unicellular organism-is widely appreciated, therearemanyoscillatoryphenomenathataremuchlessobvious,albeit no less important. Since oscillations reflect periodic quantitative changes in system properties,theirdetectionandcharacterisationreliesonthequantitativemeasurement ofa systemoveranextendedperiod.
Untilrecently, suchmeasurements were difficult toobtainatcellularorsub-cellularresolution, andrelatively few cellularoscillations had been described. However, recent methodological advances have revealed that oscillatory phenomena are as widespread in cells as they are at larger scales. The chapters inthis bookprovide an introduction to arangeofbothwellknown and less familiar cellular oscillations and serve to illustrate the striking richness of cellular dynamics. The contributions focus particularly on elucidating the basic mechanisms that underlie these oscillations. The essentially quantitative nature of oscillations has longmade theman attractive areaofstudyfor theoretical biologists (see, for example, refs. 1-3), and the application ofcomplementary modelling and experimental approachescanyieldinsightsintooscillatorydynamics thatgobeyond those that can be obtained by either in isolation. The benefits ofthis synergy are reflected in the contributions appearing in this book.
Contents:
1. CALCIUM OSCILLATIONS; Ruediger Thul, Tomas C. Bellamy, H. Llewelyn Roderick, Martin D. Bootman, and Stephen Coombes Abstract Introduction Modelling Ca2+ Dynamics Mechanistic Models Homogenous Cell Models Threshold Models Stochastic Modelling Concluding Remarks 2. OSCILLATIONS BY THE p53-Mdm2 FEEDBACK LOOP; Galit Lahav Abstract Introduction The p53-Mdm2 Negative Feedback Loop Oscillations of p53 and Mdm2 The Mechanism of p53-Mdm2 Oscillations Variability in the Response of Individual Cells The Potential Function of p53 Oscillations Conclusion and Key Questions in the Field 3. CAMP OSCILLATIONS DURING AGGREGATION OF DICTYOSTELIUM; William F. Loomis Abstract Introduction Proposed cAMP Oscillatory Circuit Periodic Motility Discussion 4. MIN OSCILLATION IN BACTERIA; Joe Lutkenhaus Abstract Introduction Z Ring The Min System The Oscillation Biochemistry of Min Proteins Models Conclusions 5. DEVELOPMENT ON TIME; Isabel Palmeirim, Sofia Rodrigues, J. Kim Dale and Miguel Maroto Abstract Somitogenesis Is a Strict Time-Controlled Embryonic Process Time Control during Somite Formation: The Segmentation Clock The Genetic Complexity Underlying the Segmentation Clock The Clock and Wavefront Model Temporal vs Positional Information Conclusions 6. OSCILLATORY EXPRESSION OF HES FAMILY TRANSCRIPTION FACTORS: INSIGHTS FROM MATHEMATICAL MODELLING; Hiroshi Momiji and Nicholas A.M. Monk Abstract Delay-Driven Oscillations in Cellular Signaling Systems Hes1 as a Cellular Oscillator Mathematical Modelling of the Hes1 Oscillator Properties of Delay-Driven Oscillations Extended Models of Hes1 Regulation Spatio-Temporal Coordination of Oscillatory Dynamics Discussion 7. REVERSE ENGINEERING MODELS OF CELL CYCLE REGULATION; Attila Csiksz-Nagy, Bla Novk and John JTyson Abstract Bottom-Up Modeling and Reverse Engineering Physiology of the Cell Cycle Three Cell Cycle States and Three Cell Cycle Transitions Cell Cycle Transitions and Bifurcation Points Reverse Engineering the Molecular Regulatory Network The Complete Bifurcation Diagram Cell Cycles and Limit Cycles Conclusion 8. MITOCHONDRIAL OSCILLATIONS IN PHYSIOLOGY AND PATHOPHYSIOLOGY; Miguel A. Aon, Sonia Cortassa and Brian ORourke Abstract Introduction The Mitochondrial Oscillator of Heart Cells: The Pathophysiological Domain The Theoretical Approach The Mitochondrial Oscillator in the Physiological Domain Spatial Aspects: ROS and Mitochondrial Criticality From Mitochondrial Dynamics to Whole Heart Arrhythmias Conclusions 9. RESPIRATORY OSCILLATIONS IN YEASTS; David Lloyd Abstract Introduction Minute-Long Oscillations in S. cerevisiae Ultradian (t 30-50min) Oscillations in Synchronous Cultures of Yeasts Schizosaccharomyces pombe Candida utilis Saccharomyces cerevisiae: Self Synchronized Continuous Culture Mitochondrial Respiratory Dynamics in Vivo During Growth Oxidative Stress and Signalling by ROS Circadian Oscillations in Yeasts Other Oscillations Functions of Oscillations 10. STOCHASTIC PHASE OSCILLATOR MODELS FOR CIRCADIAN CLOCKS; Jacques Rougemont and Felix Naef Background Mathematics of Phase Models Theory vs. Data Conclusion
PRODUCT DETAILS
Publisher: Springer (Springer-Verlag New York Inc.)
Publication date: November, 2010
Pages: 168
Weight: 330g
Availability: Available
Subcategories: General Issues
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