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Recent Discoveries In Evolutionary And Genomic Microbiology
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Book Synopsis Recent Discoveries in Evolutionary and Genomic Microbiology by : Anton G. Kutikhin
Download or read book Recent Discoveries in Evolutionary and Genomic Microbiology written by Anton G. Kutikhin and published by Frontiers Media SA. This book was released on 2015-08-04 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection represents certain discoveries that were made in evolutionary and genomic microbiology during the recent ten years. We attempted to shed light on topical issues of microbial evolution and microbiome biology. In our eyes, these articles are of an excellent quality and may be helpful both for casual readers and for specialists in the field.
Book Synopsis Recent Discoveries in Evolutionary and Genomic Microbiology by :
Download or read book Recent Discoveries in Evolutionary and Genomic Microbiology written by and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection represents certain discoveries that were made in evolutionary and genomic microbiology during the recent ten years. We attempted to shed light on topical issues of microbial evolution and microbiome biology. In our eyes, these articles are of an excellent quality and may be helpful both for casual readers and for specialists in the field.
Book Synopsis Insights in Evolutionary & Genomic Microbiology: 2022 by : Ernesto Perez-Rueda
Download or read book Insights in Evolutionary & Genomic Microbiology: 2022 written by Ernesto Perez-Rueda and published by Frontiers Media SA. This book was released on 2023-10-31 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Research Topic is part of the Insights in Frontiers in Microbiology series. We are now entering the third decade of the 21st Century, and, especially in the last years, the achievements made by scientists in the field of Microbiology have been exceptional, leading to major advancements. Frontiers has organized a series of Research Topics to highlight the latest advancements in science in order to be at the forefront of science in different fields of research. This specific editorial initiative, led by Dr. Ernesto Perez-Rueda and Dr. Feng Gao, is focused on new insights, novel developments, current challenges, latest discoveries, recent advances and future perspectives in the field.
Book Synopsis Insights in Evolutionary and Genomic Microbiology: 2021 by : Daniel Yero
Download or read book Insights in Evolutionary and Genomic Microbiology: 2021 written by Daniel Yero and published by Frontiers Media SA. This book was released on 2022-06-14 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microbial genomics challenge Darwin by : Didier Raoult
Download or read book Microbial genomics challenge Darwin written by Didier Raoult and published by Frontiers E-books. This book was released on with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 200th anniversary of Darwin’s birthday was celebrated in 2009, making the concept of Darwinism even more popular than at the time it was originally proposed, to the extent that it has acquired quasi-religious status. His theory revolves around a Tree of Life in which all living organisms are considered to have descended from a single ancestor, and each node represents a common ancestor. It comprises hierarchy and dichotomy, which are typical characteristics of the post-biblical 19th century vision. Indeed, according to post-modern philosophy (also called the French theory) the majority of theories, including scientific ones, are based only on meta-narratives expressing the influence of a culture at a given time. Buddhism or Hinduism may have generated a very different story of evolution. Our way of thinking about life, and the way we describe evolution, have changed radically in the 21st century due to the genomic revolution. Comparative genome analyses have demonstrated that gene repertoires are characterized by plasticity, and there is strong evidence that nearly all genes have been exchanged at some point. Genomic data show that the genetic information of living organisms is inherited not only vertically but also laterally. Lateral gene transfers were at first observed only in bacteria, which contain genes originating from eukaryotes, Archaea and viruses. Such transfers were subsequently identified in all living organisms; giant viruses have chimeric genomes and the human genome is a mosaic of genes with eukaryotic, bacterial, and viral origins. We cannot identify a single common ancestor for the gene repertoire of any organism. Furthermore, a very high proportion of genes have been newly created through gene fusion or degradation, and others show no homology to sequences found in other species. It is now clear that every living organism has a variety of ancestors, while exchanges between species are intense, and the creation of new genes is frequent and permanent in all living organisms. Our current genomic knowledge contradicts the tree of life theory, as established by Darwin. Recent analyses have produced bushes rather than resolved trees, with the structure of some parts remaining elusive. It becomes more and more obvious that phylogenetic relationships are better described by forests and networks and that species evolution looks more like a rhizome. The chimerism and mosaic structure of all living organisms through both non-vertical inheritance and de novo creation can only be assimilated and described by a post-Darwinist concept. In this Research Topic we wish to highlight the influence of microbiology and genomics on our understanding of the complexity of gene repertoires, and also demonstrate how current knowledge does not support Darwin’s theory. Microbiology has offered a great advance in the way we perceive life. Evidence obtained from studies on bacterial and viral evolution, lateral inheritance, phylogenetic trees and biodiversity continues to challenge what constituted, until recently, an unimpeded dogma in biology.
Download or read book Dictyostelids written by Maria Romeralo and published by Springer Science & Business Media. This book was released on 2013-07-16 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since their discovery in 1869, the dictyostelids have attracted the attention of scientists in a wide variety of fields. This interest has stemmed from their peculiar lifestyle and developmental properties, which were shaped by the evolutionary forces that generated multicellularity during eukaryotic evolution. More recently, the dictyostelids have gained attention due to the striking similarities found at the genomic, cellular and biochemical levels with human cells, which has propelled the species Dictyostelium discoideum to become a model system for biology and medicine in many laboratories. This book covers the latest advances in our knowledge of these extraordinary organisms with topics spanning from their evolutionary history, ecology and diversity to the recent discoveries regarding their cellular and molecular biology.
Book Synopsis Microbial Evolution by : Howard Ochman
Download or read book Microbial Evolution written by Howard Ochman and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis The New Science of Metagenomics by : National Research Council
Download or read book The New Science of Metagenomics written by National Research Council and published by National Academies Press. This book was released on 2007-06-24 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although we can't usually see them, microbes are essential for every part of human life-indeed all life on Earth. The emerging field of metagenomics offers a new way of exploring the microbial world that will transform modern microbiology and lead to practical applications in medicine, agriculture, alternative energy, environmental remediation, and many others areas. Metagenomics allows researchers to look at the genomes of all of the microbes in an environment at once, providing a "meta" view of the whole microbial community and the complex interactions within it. It's a quantum leap beyond traditional research techniques that rely on studying-one at a time-the few microbes that can be grown in the laboratory. At the request of the National Science Foundation, five Institutes of the National Institutes of Health, and the Department of Energy, the National Research Council organized a committee to address the current state of metagenomics and identify obstacles current researchers are facing in order to determine how to best support the field and encourage its success. The New Science of Metagenomics recommends the establishment of a "Global Metagenomics Initiative" comprising a small number of large-scale metagenomics projects as well as many medium- and small-scale projects to advance the technology and develop the standard practices needed to advance the field. The report also addresses database needs, methodological challenges, and the importance of interdisciplinary collaboration in supporting this new field.
Book Synopsis The Science and Applications of Microbial Genomics by : Institute of Medicine
Download or read book The Science and Applications of Microbial Genomics written by Institute of Medicine and published by National Academies Press. This book was released on 2013-05-02 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past several decades, new scientific tools and approaches for detecting microbial species have dramatically enhanced our appreciation of the diversity and abundance of the microbiota and its dynamic interactions with the environments within which these microorganisms reside. The first bacterial genome was sequenced in 1995 and took more than 13 months of work to complete. Today, a microorganism's entire genome can be sequenced in a few days. Much as our view of the cosmos was forever altered in the 17th century with the invention of the telescope, these genomic technologies, and the observations derived from them, have fundamentally transformed our appreciation of the microbial world around us. On June 12 and 13, 2012, the Institute of Medicine's (IOM's) Forum on Microbial Threats convened a public workshop in Washington, DC, to discuss the scientific tools and approaches being used for detecting and characterizing microbial species, and the roles of microbial genomics and metagenomics to better understand the culturable and unculturable microbial world around us. Through invited presentations and discussions, participants examined the use of microbial genomics to explore the diversity, evolution, and adaptation of microorganisms in a wide variety of environments; the molecular mechanisms of disease emergence and epidemiology; and the ways that genomic technologies are being applied to disease outbreak trace back and microbial surveillance. Points that were emphasized by many participants included the need to develop robust standardized sampling protocols, the importance of having the appropriate metadata, data analysis and data management challenges, and information sharing in real time. The Science and Applications of Microbial Genomics summarizes this workshop.
Book Synopsis Microbial Genomic Islands in Adaptation and Pathogenicity by : Indra Mani
Download or read book Microbial Genomic Islands in Adaptation and Pathogenicity written by Indra Mani and published by Springer Nature. This book was released on 2023-03-31 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book elucidates the role of microbial genomic islands (GEIs) in genome stability, plasticity, evolutionary adaptation, and pathogenicity in the bacterial population. The initial chapters of the book present tools, including bioinformatics, artificial intelligence, machine learning, next-generation sequencing, and molecular biology techniques, for the analysis of the genomic islands. The book also discusses the importance of genomic islands in bacterial speciation, acquisition of genes related to resistome, nitrogen fixation, mobilomes, and nutritional fitness and adaptation. It provides recent advances in understanding microbial genomic islands' distribution, evolution, and mechanistic modes of behavior in pathogenic, non-pathogenic, and environmental species. This book is a valuable source for beginners in molecular microbiology, students, researchers, clinicians, stakeholders, and policymakers interested in understanding the role of GEIs in the adaptive evolution of microorganisms.
Book Synopsis Microbial Genomics and Drug Discovery by : Thomas J. Dougherty
Download or read book Microbial Genomics and Drug Discovery written by Thomas J. Dougherty and published by CRC Press. This book was released on 2003-05-14 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploring innovative routes of drug discovery in the postgenomic era, Microbial Genomics and Drug Discovery examines bioinformatic and genomic approaches for the identification, detection, selection, and validation of new antibacterial targets and vaccine candidates. The book discusses potential pathways for effective infection control, inhibition of antibacterial resistance, and acceleration of the drug discovery process. This comprehensive reference describes procedures to recognize common targets in various bacterial species for the design of broad-spectrum antibiotics and clearly illustrates the use of pathway tools in a genomics-based drug discovery project.
Book Synopsis Bacterial Genomes and Infectious Diseases by : Ricky V.L Chan
Download or read book Bacterial Genomes and Infectious Diseases written by Ricky V.L Chan and published by Springer Science & Business Media. This book was released on 2007-11-06 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first bacterial genome, Haemophilus influenzae, was completely sequenced, annotated, and published in 1995. Today, more than 200 prokaryotic (archaeal and bacterial) genomes have been completed and over 500 prokaryotic genomes are in va- ous stages of completion. Seventeen eukaryotic genomes plus four eukaryotic chro- somes have been completed. The concept of achieving better understanding of an organism through knowledge of the complete genomic sequence was first demonstrated in 1978 when the first bacteriophage genome, X174, was sequenced. Complete genomic sequences of prokaryotes have led to a better understanding of the biology and evolution of the microbes, and, for pathogens, facilitated identification of new vaccine candidates, putative virulence genes, targets for antibiotics, new strategy for rapid diagnosis, and investigation of bacteria–host interactions and disease mec- nisms. Recent increased interest in microbial pathogens and infectious diseases is largely attributed to the re-emergence of infectious diseases like tuberculosis, emergence of new infectious diseases like AIDS and severe acute respiratory syndrome, the problem of an increasing rate of emergence of antibiotic-resistant variants of pathogens, and the fear of bioterrorism. Microbes are highly diverse and abundant in the biosphere. Less than 1% of these morphologically identified microbes can be cultured in vitro using standard techniques and conditions. With such abundance of microbes in nature, we can expect to see new variants and new species evolve and a small number will emerge as pathogens to humans.
Book Synopsis Environmental Microbiology by : Eugene L. Madsen
Download or read book Environmental Microbiology written by Eugene L. Madsen and published by John Wiley & Sons. This book was released on 2015-07-09 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: New and expanded for its second edition, Environmental Microbiology: From Genomes to Biogeochemistry ̧ Second Edition, is a timely update to a classic text filled with ideas, connections, and concepts that advance an in-depth understanding of this growing segment of microbiology. Core principles are highlighted with an emphasis on the logic of the science and new methods-driven discoveries. Numerous up-to-date examples and applications boxes provide tangible reinforcement of material covered. Study questions at the end of each chapter require students to utilize analytical and quantitative approaches, to define and defend arguments, and to apply microbiological paradigms to their personal interests. Essay assignments and related readings stimulate student inquiry and serve as focal points for teachers to launch classroom discussions. A companion website with downloadable artwork and answers to study questions is also available. Environmental Microbiology: From Genomes to Biogeochemistry, Second Edition, offers a coherent and comprehensive treatment of this dynamic, emerging field, building bridges between basic biology, evolution, genomics, ecology, biotechnology, climate change, and the environmental sciences.
Book Synopsis Environmental Epigenetics by : L. Joseph Su
Download or read book Environmental Epigenetics written by L. Joseph Su and published by Springer. This book was released on 2015-05-18 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the toxicological and health implications of environmental epigenetics and provides knowledge through an interdisciplinary approach. Included in this volume are chapters outlining various environmental risk factors such as phthalates and dietary components, life states such as pregnancy and ageing, hormonal and metabolic considerations and specific disease risks such as cancer cardiovascular diseases and other non-communicable diseases. Environmental Epigenetics imparts integrative knowledge of the science of epigenetics and the issues raised in environmental epidemiology. This book is intended to serve both as a reference compendium on environmental epigenetics for scientists in academia, industry and laboratories and as a textbook for graduate level environmental health courses. Environmental Epigenetics imparts integrative knowledge of the science of epigenetics and the issues raised in environmental epidemiology. This book is intended to serve both as a reference compendium on environmental epigenetics for scientists in academia, industry and laboratories and as a textbook for graduate level environmental health courses.
Book Synopsis Microbial Genomes by : Claire M. Fraser
Download or read book Microbial Genomes written by Claire M. Fraser and published by Humana Press. This book was released on 2010-12-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of diverse articles by the pioneers of modern genomics takes stock of the current state of the field and elucidates the contribution that sequencing genomes has made to our understanding of microbial metabolism and evolution. Through twenty-eight thought-provoking chapters, the authors describe some of the most common computational methods and their applications to studying pathogenic microorganisms, show how genomics can be used to reconstruct the history and dynamism of the microbial world, and discuss issues as diverse as reconstruction of metabolic pathways, cell cycle processes, microbial evolution, metagenomics, and vaccine development. Additional chapters deal with microarrays and expression analysis and the role of genomic in drug discovery.
Book Synopsis The New Foundations of Evolution by : Jan Sapp
Download or read book The New Foundations of Evolution written by Jan Sapp and published by Oxford University Press. This book was released on 2009-07-24 with total page 765 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the story of a profound revolution in the way biologists explore life's history, understand its evolutionary processes, and reveal its diversity. It is about life's smallest entities, deepest diversity, and greatest cellular biomass: the microbiosphere. Jan Sapp introduces us to a new field of evolutionary biology and a new brand of molecular evolutionists who descend to the foundations of evolution on Earth to explore the origins of the genetic system and the primary life forms from which all others have emerged. In so doing, he examines-from Lamarck to the present-the means of pursuing the evolution of complexity, and of depicting the greatest differences among organisms. The New Foundations of Evolution takes us into a world that classical evolutionists could never have imagined: a deep phylogeny based on three domains of life and multiple kingdoms, and created by mechanisms very unlike those considered by Darwin and his followers. Evolution by leaps seems to occur regularly in the microbial world where molecular evolutionists have shown the inheritance of acquired genes and genomes are major modes of evolutionary innovation. Revisiting the history of microbiology for the first time from the perspective of evolutionary biology, Sapp shows why classical Darwinian conceptions centering on questions of the origin of species were forged without a microbial foundation, why classical microbiologists considered it impossible to know the course of evolution, and classical molecular biologists considered the evolution of the molecular genetic system to be beyond understanding. In telling this stirring story of scientific iconoclasm, this book elucidates how the new evolutionary biology arose, what methods and assumptions underpin it, and the fiery controversies that continue to shape biologists' understanding of the foundations of evolution today.
Book Synopsis The Logic of Chance by : Eugene V. Koonin
Download or read book The Logic of Chance written by Eugene V. Koonin and published by FT Press. This book was released on 2011-06-23 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Logic of Chance offers a reappraisal and a new synthesis of theories, concepts, and hypotheses on the key aspects of the evolution of life on earth in light of comparative genomics and systems biology. The author presents many specific examples from systems and comparative genomic analysis to begin to build a new, much more detailed, complex, and realistic picture of evolution. The book examines a broad range of topics in evolutionary biology including the inadequacy of natural selection and adaptation as the only or even the main mode of evolution; the key role of horizontal gene transfer in evolution and the consequent overhaul of the Tree of Life concept; the central, underappreciated evolutionary importance of viruses; the origin of eukaryotes as a result of endosymbiosis; the concomitant origin of cells and viruses on the primordial earth; universal dependences between genomic and molecular-phenomic variables; and the evolving landscape of constraints that shape the evolution of genomes and molecular phenomes. "Koonin's account of viral and pre-eukaryotic evolution is undoubtedly up-to-date. His "mega views" of evolution (given what was said above) and his cosmological musings, on the other hand, are interesting reading." Summing Up: Recommended Reprinted with permission from CHOICE, copyright by the American Library Association.
