Evolution Of Microbial Life
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Evolution Of Microbial Life
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Author : Society for General Microbiology. Symposium
language : en
Publisher: Cambridge University Press
Release Date : 1996-11-13
Evolution Of Microbial Life written by Society for General Microbiology. Symposium and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-11-13 with Medical categories.
This volume considers the evolution and diversification of early unicellular life.
Microbial Evolution Under Extreme Conditions
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Author : Corien Bakermans
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2015-03-10
Microbial Evolution Under Extreme Conditions written by Corien Bakermans and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-10 with Nature categories.
Today's microorganisms represent the vast majority of biodiversity on Earth and have survived nearly 4 billion years of evolutionary change. However, we still know little about the processes of evolution as applied to microorganisms and microbial populations. Microbial evolution occurred and continues to take place in a vast variety of environmental conditions that range from anoxic to oxic, from hot to cold, from free-living to symbiotic, etc. Some of these physicochemical conditions are considered "extreme", particularly when inhabitants are limited to microorganisms. It is easy to imagine that microbial life in extreme environments is somehow more constrained and perhaps subjected to different evolutionary pressures. But what do we actually know about microbial evolution under extreme conditions and how can we apply that knowledge to other conditions? Appealingly, extreme environments with their relatively limited numbers of inhabitants can serve as good model systems for the study of evolutionary processes. A look at the microbial inhabitants of today's extreme environments provides a snapshot in time of evolution and adaptation to extreme conditions. These adaptations manifest at different levels from established communities and species to genome content and changes in specific genes that result in altered function or gene expression. But as a recent (2011) report from the American Academy of Microbiology observes: "A complex issue in the study of microbial evolution is unraveling the process of evolution from that of adaptation. In many cases, microbes have the capacity to adapt to various environmental changes by changing gene expression or community composition as opposed to having to evolve entirely new capabilities." We have learned much about how microbes are adapted to extreme conditions but relatively little is known about these adaptations evolved. How did the different processes of evolution such as mutation, immigration, horizontal (lateral) gene transfer, recombination, hybridization, genetic drift, fixation, positive and negative selection, and selective screens contribute to the evolution of these genes, genomes, microbial species, communities, and functions? What are typical rates of these processes? How prevalent are each of these processes under different conditions? This book explores the current state of knowledge about microbial evolution under extreme conditions and addresses the following questions: What is known about the processes of microbial evolution (mechanisms, rates, etc.) under extreme conditions? Can this knowledge be applied to other systems and what is the broader relevance? What remains unknown and requires future research? These questions will be addressed from several perspectives including different extreme environments, specific organisms, and specific evolutionary processes.
Microbial Life History
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Author : Steven A. Frank
language : en
Publisher: Princeton University Press
Release Date : 2022-08-16
Microbial Life History written by Steven A. Frank and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-16 with Science categories.
A powerful framework for understanding how natural selection shapes adaptation and biological design Design and diversity are the two great challenges in the study of life. Microbial Life History draws on the latest advances in microbiology to describe the fundamental forces of biological design and apply these evolutionary processes to a broad diversity of traits in microbial metabolism and biochemistry. Emphasizing how to formulate and test hypotheses of adaptation, Steven Frank provides a new foundation for exploring the evolutionary forces of design. He discusses the economic principles of marginal valuations, trade-offs, and payoffs in risky and random environments; the social aspects of conflict and cooperation; the demographic aspects of age and spatial heterogeneity; and the engineering control theory principles by which systems adjust to environments. Frank then applies these evolutionary principles to the biochemistry of microbial metabolism, providing the first comprehensive link between the forces that shape biological design and cellular energetics. Tracing how natural selection sculpts metabolism, Microbial Life History provides new perspectives on the life histories of organisms, from growth rate and survival to dispersal and defense against attack. Along the way, this incisive book addresses the conceptual and philosophical challenges confronting evolutionary biologists and other practitioners who study biological design and seek to apply its lessons.
Microbial Evolution
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Author : Howard Ochman
language : en
Publisher:
Release Date : 2016
Microbial Evolution written by Howard Ochman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Science categories.
Bacteria have been the dominant forms of life on Earth for the past 3.5 billion years. They rapidly evolve, constantly changing their genetic architecture through horizontal DNA transfer and other mechanisms. Consequently, it can be difficult to define individual species and determine how they are related. Written and edited by experts in the field, this collection from Cold Spring Harbor Perspectives in Biology examines how bacteria and other microbes evolve, focusing on insights from genomics-based studies. Contributors discuss the origins of new microbial populations, the evolutionary and ecological mechanisms that keep species separate once they have diverged, and the challenges of constructing phylogenetic trees that accurately reflect their relationships. They describe the organization of microbial genomes, the various mutations that occur, including the birth of new genes de novo and by duplication, and how natural selection acts on those changes. The role of horizontal gene transfer as a strong driver of microbial evolution is emphasized throughout. The authors also explore the geologic evidence for early microbial evolution and describe the use of microbial evolution experiments to examine phenomena like natural selection. This volume will thus be essential reading for all microbial ecologists, population geneticists, and evolutionary biologists.
Biodiversity Of Microbial Life
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Author : James T. Staley
language : en
Publisher: Wiley-Liss
Release Date : 2002
Biodiversity Of Microbial Life written by James T. Staley and has been published by Wiley-Liss this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
Biodiversity of Microbial Life places the importance and novelty of the diversity of the microbial world in perspective with the biodiversity of plants and animals. Microbial diversity has driven the evolution of all life on Earth as well as the nutrient cycles, which are key to the operation of the biosphere. Microorganisms live in all ecosystems, even extreme environments not habitable to other organisms. Noted experts including Carl Woese, the originator of the Tree of Life, and Rita Colwell, who is now Director of the National Science Foundation, offer their unique perspectives on the extent and importance of microbial biodiversity. Special emphasis is placed on: * Evolution, speciation, and contrasts between microbial biodiversity and plant and animal biodiversity * Physiological and metabolic diversity of microorganisms * Biodiversity of microbial life in terrestrial and marine environments * Symbioses between microorganisms and plants, insects, and humans * Extreme environments populated exclusively or primarily by microorganisms including thermal vents and hot springs, polar sea ice environments, and subterranean ecosystems * Microorganisms and biotechnology Biodiversity of Microbial Life is an essential resource for all biologists interested in biodiversity.
Molecular Mechanisms Of Microbial Evolution
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Author : Pabulo H. Rampelotto
language : en
Publisher: Springer
Release Date : 2018-10-12
Molecular Mechanisms Of Microbial Evolution written by Pabulo H. Rampelotto and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-12 with Science categories.
One of the most profound paradigms that have transformed our understanding about life over the last decades was the acknowledgement that microorganisms play a central role in shaping the past and present environments on Earth and the nature of all life forms. Each organism is the product of its history and all extant life traces back to common ancestors, which were microorganisms. Nowadays, microorganisms represent the vast majority of biodiversity on Earth and have survived nearly 4 billion years of evolutionary change. Microbial evolution occurred and continues to take place in a great variety of environmental conditions. However, we still know little about the processes of evolution as applied to microorganisms and microbial populations. In addition, the molecular mechanisms by which microorganisms communicate/interact with each other and with multicellular organisms remains poorly understood. Such patterns of microbe-host interaction are essential to understand the evolution of microbial symbiosis and pathogenesis.Recent advances in DNA sequencing, high-throughput technologies, and genetic manipulation systems have enabled studies that directly characterize the molecular and genomic bases of evolution, producing data that are making us change our view of the microbial world. The notion that mutations in the coding regions of genomes are, in combination with selective forces, the main contributors to biodiversity needs to be re-examined as evidence accumulates, indicating that many non-coding regions that contain regulatory signals show a high rate of variation even among closely related organisms. Comparative analyses of an increasing number of closely related microbial genomes have yielded exciting insight into the sources of microbial genome variability with respect to gene content, gene order and evolution of genes with unknown functions. Furthermore, laboratory studies (i.e. experimental microbial evolution) are providing fundamental biological insight through direct observation of the evolution process. They not only enable testing evolutionary theory and principles, but also have applications to metabolic engineering and human health. Overall, these studies ranging from viruses to Bacteria to microbial Eukaryotes are illuminating the mechanisms of evolution at a resolution that Darwin, Delbruck and Dobzhansky could barely have imagined. Consequently, it is timely to review and highlight the progress so far as well as discuss what remains unknown and requires future research. This book explores the current state of knowledge on the molecular mechanisms of microbial evolution with a collection of papers written by authors who are leading experts in the field.
Microbial Evolution And Co Adaptation
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Author : Institute of Medicine
language : en
Publisher: National Academies Press
Release Date : 2009-05-10
Microbial Evolution And Co Adaptation written by Institute of Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-05-10 with Science categories.
Dr. Joshua Lederberg - scientist, Nobel laureate, visionary thinker, and friend of the Forum on Microbial Threats - died on February 2, 2008. It was in his honor that the Institute of Medicine's Forum on Microbial Threats convened a public workshop on May 20-21, 2008, to examine Dr. Lederberg's scientific and policy contributions to the marketplace of ideas in the life sciences, medicine, and public policy. The resulting workshop summary, Microbial Evolution and Co-Adaptation, demonstrates the extent to which conceptual and technological developments have, within a few short years, advanced our collective understanding of the microbiome, microbial genetics, microbial communities, and microbe-host-environment interactions.
Microcosmos
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Author : Lynn Margulis
language : en
Publisher: Univ of California Press
Release Date : 2023-04-28
Microcosmos written by Lynn Margulis and has been published by Univ of California Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-28 with Science categories.
"Microcosmos is nothing less than the saga of the life of the planet. Lynn Margulis and Dorion Sagan have put it all together, literally, in this extraordinary book, which is unlike any treatment of evolution for a general readership that I have encountered before. A fascinating account that we humans should be studying now for clues to our own survival."—From the Foreword by Dr. Lewis Thomas Microcosmos brings together the remarkable discoveries of microbiology in the later decades of the 20th century and the pioneering research of Dr. Margulis to create a vivid new picture of the world that is crucial to our understanding of the future of the planet. Addressed to general readers, the book provides a beautifully written view of evolution as a process based on interdependency and their interconnectedness of all life on the planet.
Microbial Life
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Author : Dean Jacobson
language : en
Publisher:
Release Date : 2005
Microbial Life written by Dean Jacobson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Science categories.
Lavishly illustrated with beautiful pen and ink drawings, this concise and accessible introduction to the basic biology, physiology, ecology and evolution of microbial life covers bacteria, viruses and the protists. The volume demonstrates the practical importance of microbial processes in human affairs as well as natural ecosystems and allows the reader to appreciate the novelty, diversity and complexity characteristic of microbes and larger organisms.
Microbial Life
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Author : James T. Staley
language : en
Publisher: Sinauer Associates, Incorporated
Release Date : 2007
Microbial Life written by James T. Staley and has been published by Sinauer Associates, Incorporated this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Science categories.
Special features of this second edition are: complete coverage of all aspects of microbiology; a newly updated and expanded treatment of microbial physiology and metabolism; a completely new approach to presenting the biology of eukaryotic microorganisms; updated information on genetics and genomics; a more extensive, phylogenetic approach to microbial diversity; a revised up-to-date section on microbial structure and function that reflects current concepts and techniques; expanded treatment of microbial diseases; recent information about the taxonomy, evolution, and speciation of Bacteria and Archaea; a new section on energetics covering both chemical and light energy conservation; expanded and updated treatment of immunology; chapters on the popular area of beneficial symbioses and on human host-microbe interactions; separate chapters on industrial microbiology and applied and environmental microbiology.