Singularities of Solutions to Chemotaxis Systems PDF Download
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Author: Piotr Biler
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110599538
Category : Mathematics
Languages : en
Pages : 231
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Book Description
The Keller-Segel model for chemotaxis is a prototype of nonlocal systems describing concentration phenomena in physics and biology. While the two-dimensional theory is by now quite complete, the questions of global-in-time solvability and blowup characterization are largely open in higher dimensions. In this book, global-in-time solutions are constructed under (nearly) optimal assumptions on initial data and rigorous blowup criteria are derived.
Author: Piotr Biler
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110599538
Category : Mathematics
Languages : en
Pages : 231
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Book Description
The Keller-Segel model for chemotaxis is a prototype of nonlocal systems describing concentration phenomena in physics and biology. While the two-dimensional theory is by now quite complete, the questions of global-in-time solvability and blowup characterization are largely open in higher dimensions. In this book, global-in-time solutions are constructed under (nearly) optimal assumptions on initial data and rigorous blowup criteria are derived.
Author: Michael Eisenbach
Publisher: Imperial College Press
ISBN: 9781860944130
Category : Science
Languages : en
Pages : 499
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Book Description
"This is the first and only textbook and sourcebook on chemotaxis. The author demonstrates how basic chemotaxis is to life, and how widespread it is, and presents the state of the art with respect to its molecular and physiological mechanisms. Because chemotaxis research is still in progress, the book also indicates open questions and future directions of research. In addition, potential applications to health problems are pointed out."
Author: Michael Eisenbach
Publisher: World Scientific Publishing Company
ISBN: 1911299018
Category : Science
Languages : en
Pages : 516
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Book Description
With contribution from Joseph W Lengeler (University of Osnabr
Author: Istvan Fendrik
Publisher: Springer Science & Business Media
ISBN: 364279906X
Category : Science
Languages : en
Pages : 546
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Book Description
Azospirillum is a plant growth promoting rhizobacterium used for inoculation of cereal and forage crops. The book covers its physiology, ecology, biochemistry, and molecular biology. The most advanced molecular techniques to understand the regulatory mechanisms of nitrogen fixation and ammonia assimilation, as well as the basis of phytohormone production, are included. In particular, the identification of novel types of promoters, specific regulatory circuits, and new regulatory proteins is described. New insights in the plant growth promoting role of the bacteria through the analysis of their interactions with the plant are presented. Also discussed are field applications, allowing the evaluation of the physiological and agronomic involvement of Azospirillum inoculations.
Author: Tino Krell
Publisher: Springer
ISBN: 9783319505404
Category : Science
Languages : en
Pages : 585
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Book Description
This book assembles concisely written chapters by world-leaders in the field summarizing recent advances in understanding microbial responses to hydrocarbons. Subjects treated include mechanisms of sensing, hydrocarbon tolerance and degradation as well as an overview on hydrophobic modification of biomolecules. Other chapters are dedicated to issues related to the reduced bioavailability of hydrocarbons, which differentiates this class of compounds form many others, but which of central importance to understand the ecophysiological consequences. This book should be standard literature in any laboratory working in this area.
Author: Hitoshi Sawada
Publisher: Springer
ISBN: 4431545891
Category : Science
Languages : en
Pages : 463
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Book Description
This book contains the proceedings of the International Symposium on the Mechanisms of Sexual Reproduction in Animals and Plants, where many plant and animal reproductive biologists gathered to discuss their recent progress in investigating the shared mechanisms and factors involved in sexual reproduction. This now is the first book that reviews recent progress in almost all fields of plant and animal fertilization. It was recently reported that the self-sterile mechanism of a hermaphroditic marine invertebrate (ascidian) is very similar to the self-incompatibility system in flowering plants. It was also found that a male factor expressed in the sperm cells of flowering plants is involved in gamete fusion not only of plants but also of animals and parasites. These discoveries have led to the consideration that the core mechanisms or factors involved in sexual reproduction may be shared by animals, plants and unicellular organisms. This valuable book is highly useful for reproductive biologists as well as for biological scientists outside this field in understanding the current progress of reproductive biology.
Author:
Publisher: Academic Press
ISBN: 9780123815392
Category : Science
Languages : en
Pages : 420
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Book Description
Cell growth is highly regulated and is controlled by the TOR signaling network. Dysfunction of signaling pathways controlling cell growth results in cells of altered sizes and in turn causes developmental errors and a wide range of pathological conditions. An understanding of the TOR signaling network may lead to novel drugs for the treatment of, for example, cancer, diabetes, inflammation, muscle atrophy, learning disabilities, depression, obesity and aging. There has been an explosion of knowledge in this area in recent years and this volume provides an in-depth review of our current knowledge of TOR complexes by the leaders in the field. Contributions from leading authorities Informs and updates on all the latest developments in the field
Author: Randall Murray
Publisher: Mss Information Corporation
ISBN:
Category : Bacteria
Languages : en
Pages : 152
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Book Description
Author: Jost Wingender
Publisher: Springer Science & Business Media
ISBN: 3642601472
Category : Science
Languages : en
Pages : 266
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Book Description
Microbial extracellular polymeric substances (EPS) are the key components for the aggregation of microorganisms in biofilms, flocs and sludge. They are composed of polysaccharides, proteins, nucleic acids, lipids and other biological macromolecules. EPS provide a highly hydrated gel matrix in which microbial cells can establish stable synergistic consortia. Cohesion and adhesion as well as morphology, structure, biological function and other properties such as mechanical stability, diffusion, sorption and optical properties of microbial aggregates are determined by the EPS matrix. Also, the protection of biofilm organisms against biocides is attributed to the EPS. Their matrix allows phase separation in biofiltration and is also important for the degradation of particulate material which is of great importance for the self purification processes in surface waters and for waste water treatment.
Author: Daniel Koshland
Publisher: Raven Press (ID)
ISBN:
Category : Medical
Languages : en
Pages : 216
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Book Description
Brief description of the system. The receptors. Repertoire of receptors. Plasticity of the cell. Location of receptors. Receptor theory. Transmission of information from the receptor to the signaling system. Multiple functions of receptors. Membrane potential as a receptor signal. The motor apparatus. Structure and energy source. Flagellar rotation and bacterial tumbling. The processing system. The behavioral response. Bacterial memory and the response regulator model. Information from nonchemotactic mutants in regard to the processing system. Optimization of the memory time. Complexity of the processing system. The reversible methylation system. The sensing switch. Relation of proton motive force to motor reversal. Integration of responses to multiple stimuli. Override effects. Gene product interactions. Adaptation. Observations of adaptation in psychophysics. The weber-fechner law. A molecular mechanism for the weber-fechner law. Application of molecular mechanism to the visual system. Immediate adaptive response to a stimulus. Heredity, environment, and chance. Bacteria and higher behavior. Relationships between simple and complex behavior. Cell biochemistry applied to abnormal behavior.
