Genomics And Evolution Of Microbial Eukaryotes

Download Genomics And Evolution Of Microbial Eukaryotes full books in PDF, epub, and Kindle. Read online Genomics And Evolution Of Microbial Eukaryotes ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!

Genomics and Evolution of Microbial Eukaryotes

Author : Laura A Katz
Publisher : OUP Oxford
ISBN 13 : 0191513857
Total Pages : 256 pages
Book Rating : 4.1/5 (915 download)

DOWNLOAD NOW!

Book Synopsis Genomics and Evolution of Microbial Eukaryotes by : Laura A Katz

Download or read book Genomics and Evolution of Microbial Eukaryotes written by Laura A Katz and published by OUP Oxford. This book was released on 2006-09-07 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genomics and Evolution of Eukaryotic Microbes synthesizes the rapidly emerging fields of eukaryotic diversity and genome evolution. Eukaryotes (cells with nuclei) evolved as microbes and have existed on Earth for approximately two billion years. The tremendous diversity of eukaryotic microbes (protists) is often overlooked by those who study the macroscopic eukaryotic lineages: plants, animals, and fungi. Yet, eukaryotic microbes are of critical importance to ecosystems, human health, and our desire to understand biodiversity on Earth. By bringing together groundbreaking data from genome studies of diverse eukaryotic microbes, this book elucidates the many novelties among eukaryotic genomes and provides a single resource for otherwise widely dispersed information. Eukaryotic microorganisms impact both our health and our environment. These organisms include some of the deadliest known pathogens such as Plasmodium falciparum, a causative agent of malaria, and Entamoeba histolytica an agent of dysentery. Eukaryotic microbes also play a significant role in environments through their involvement in global biogeochemical cycles. Such roles are perhaps best exemplified by the coccolithophores, including the species Emiliania huxleyi, which can create 'blooms' in the oceans that are visible from outer space (i.e. as large as the state of Alaska). Despite the great importance and breadth of eukaryotic microbes (the vast majority of major ukaryotic lineages are microbial, with plants, animals and fungi representing just three of an estimated 60-200 major lineages), our understanding of their diversity and phylogeny is only now rapidly expanding, in part bolstered by genomic studies. This book presents analyses and interpretations from experts in the field. Recent advances, particularly in DNA sequencing technologies, have made eukaryotic microbes more accessible to genome analyses. Unravelling the wealth of information on eukaryotic genomes will invariably revolutionize our understanding of eukaryotes, including their physiology, systematics, and ecology.

Genomics and Evolution of Microbial Eukaryotes

Author : Laura Katz Olson
Publisher : Oxford University Press, USA
ISBN 13 : 0198569742
Total Pages : 256 pages
Book Rating : 4.1/5 (985 download)

DOWNLOAD NOW!

Book Synopsis Genomics and Evolution of Microbial Eukaryotes by : Laura Katz Olson

Download or read book Genomics and Evolution of Microbial Eukaryotes written by Laura Katz Olson and published by Oxford University Press, USA. This book was released on 2006-09-07 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents a unique combination of recently-emerged information on eukaryotic microbes, evolution and genomics. Eukaryotes, cells with nuclei, evolved as microbes and have existed on Earth for approximately 2 billion years. Although currently relatively understudied, eukaryotic microorganisms are of critical importance to ecosystems (through their involvement in global biogeochemical cycles), human health (they include some of the deadliest pathogens), and our desire tounderstand global biodiversity. Recent advances, particularly in DNA sequencing technologies, are making eukaryotic microbes more accessible through genome analyses. Insights from these studies are challenging previously held theories of genome evolution, based on studies of a limited number of plants,animals and fungi.

Organelles, Genomes and Eukaryote Phylogeny

Author : Robert P Hirt
Publisher : CRC Press
ISBN 13 : 0203508939
Total Pages : 462 pages
Book Rating : 4.2/5 (35 download)

DOWNLOAD NOW!

Book Synopsis Organelles, Genomes and Eukaryote Phylogeny by : Robert P Hirt

Download or read book Organelles, Genomes and Eukaryote Phylogeny written by Robert P Hirt and published by CRC Press. This book was released on 2004-06-28 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: The recent revolution in molecular biology has spread through every field of biology including systematics and evolution. Researchers can now analyze the genomes of different species relatively quickly, and this is generating a great deal of data and theories about relationships between taxa as well as how they originated and diversified. Org

Microbial Phylogeny and Evolution

Author : Jan Sapp
Publisher :
ISBN 13 : 9781280534324
Total Pages : 326 pages
Book Rating : 4.5/5 (343 download)

DOWNLOAD NOW!

Book Synopsis Microbial Phylogeny and Evolution by : Jan Sapp

Download or read book Microbial Phylogeny and Evolution written by Jan Sapp and published by . This book was released on 2005-01-01 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The extent of lateral gene transfer among diverse microbes has effectively broken down the concept of species when we seek to apply it to the microbial world. This book brings together workers to try to reach an accomodation and consensus on the outline of how cellular life has evolved.

Microbial genomics challenge Darwin

Author : Didier Raoult
Publisher : Frontiers E-books
ISBN 13 : 2889191222
Total Pages : 179 pages
Book Rating : 4.8/5 (891 download)

DOWNLOAD NOW!

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.

Microbial Evolution

Author : Howard Ochman
Publisher :
ISBN 13 : 9781621820376
Total Pages : 0 pages
Book Rating : 4.8/5 (23 download)

DOWNLOAD NOW!

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.

Molecular Mechanisms of Microbial Evolution

Author : Pabulo H. Rampelotto
Publisher : Springer
ISBN 13 : 3319690787
Total Pages : 452 pages
Book Rating : 4.3/5 (196 download)

DOWNLOAD NOW!

Book Synopsis Molecular Mechanisms of Microbial Evolution by : Pabulo H. Rampelotto

Download or read book Molecular Mechanisms of Microbial Evolution written by Pabulo H. Rampelotto and published by Springer. This book was released on 2018-10-12 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Developmental Biology in Prokaryotes and Lower Eukaryotes

Author : Tomás González Villa
Publisher : Springer Nature
ISBN 13 : 303077595X
Total Pages : 560 pages
Book Rating : 4.0/5 (37 download)

DOWNLOAD NOW!

Book Synopsis Developmental Biology in Prokaryotes and Lower Eukaryotes by : Tomás González Villa

Download or read book Developmental Biology in Prokaryotes and Lower Eukaryotes written by Tomás González Villa and published by Springer Nature. This book was released on 2021-07-31 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: ‘Developmental biology’ is widely understood as processes, which mainly concern embryonic animal development and differentiation of cells and tissue. It is also often defined as the timeline for the evolutionary developmental biology of eukaryotic multicellular higher organisms, i.e., plants and animals. The development of prokaryotes and lower eukaryotes in contrary has been neglected for a long time, which was the motivation for publishing this book. This book highlights one of Darwin's most important findings: Evolution is a creative, but not a conscious process. It also illustrates that this concept does not only apply to multicellular higher organisms, but affects every form of life. The reader shall find complex biochemical and genetic pathways of bacteria, yeasts or protozoa, comparable to those exhibited by plants or animals. The molecular mechanisms of dramatic genome rearrangements, recombination and horizontal gene transfer that are responsible for evolutionary adaptations are discussed. Additionally, the book covers bacteria of the genera Myxobacteriales and Caulobacterales, which are able to develop tissue-like cellular organization. The morphogenesis of entomopathogenic fungi and the endosymbiont theory are also addressed. The book is a useful introduction to the field for junior scientists, interested in bacteriology, protistology and fungal development. It is also an interesting read for advanced scientists, giving them a broader view of the field beyond their area of specialization.

The Logic of Chance

Author : Eugene V. Koonin
Publisher : FT Press
ISBN 13 : 013262317X
Total Pages : 530 pages
Book Rating : 4.1/5 (326 download)

DOWNLOAD NOW!

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.

The Pangenome

Author : Hervé Tettelin
Publisher : Springer Nature
ISBN 13 : 3030382818
Total Pages : 311 pages
Book Rating : 4.0/5 (33 download)

DOWNLOAD NOW!

Book Synopsis The Pangenome by : Hervé Tettelin

Download or read book The Pangenome written by Hervé Tettelin and published by Springer Nature. This book was released on 2020-04-30 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book offers the first comprehensive account of the pan-genome concept and its manifold implications. The realization that the genetic repertoire of a biological species always encompasses more than the genome of each individual is one of the earliest examples of big data in biology that opened biology to the unbounded. The study of genetic variation observed within a species challenges existing views and has profound consequences for our understanding of the fundamental mechanisms underpinning bacterial biology and evolution. The underlying rationale extends well beyond the initial prokaryotic focus to all kingdoms of life and evolves into similar concepts for metagenomes, phenomes and epigenomes. The book’s respective chapters address a range of topics, from the serendipitous emergence of the pan-genome concept and its impacts on the fields of microbiology, vaccinology and antimicrobial resistance, to the study of microbial communities, bioinformatic applications and mathematical models that tie in with complex systems and economic theory. Given its scope, the book will appeal to a broad readership interested in population dynamics, evolutionary biology and genomics.

Lateral Gene Transfer in Evolution

Author : Uri Gophna
Publisher : Springer Science & Business Media
ISBN 13 : 1461477808
Total Pages : 290 pages
Book Rating : 4.4/5 (614 download)

DOWNLOAD NOW!

Book Synopsis Lateral Gene Transfer in Evolution by : Uri Gophna

Download or read book Lateral Gene Transfer in Evolution written by Uri Gophna and published by Springer Science & Business Media. This book was released on 2013-07-20 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the phenomenon of lateral gene transfer has been known since the 1940's, it was the genomics era that has really revealed the extent and many facets of this evolutionary/genetic phenomenon. Even in the early 2000s with but a handful of genomes available it became clear that the nature of microorganisms is full of genetic exchange between lineages that are sometimes far apart. The years following this saw an explosion of genomic data, which shook the "tree of life" and also raised doubts about the most appropriate species concepts for prokaryotes. This book attempts to represent the many-fold contributions of LGT to the evolution of micro and, to an extent, macro-organisms by focusing on the areas where the Editor felt it had the largest impact: metabolic innovations and adaptations and speciation.

Prokaryotes and Evolution

Author : Jean-Claude Bertrand
Publisher : Springer
ISBN 13 : 331999784X
Total Pages : 396 pages
Book Rating : 4.3/5 (199 download)

DOWNLOAD NOW!

Book Synopsis Prokaryotes and Evolution by : Jean-Claude Bertrand

Download or read book Prokaryotes and Evolution written by Jean-Claude Bertrand and published by Springer. This book was released on 2019-01-01 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to show the essential and indispensable role of prokaryotes in the evolution of aliving world. The evolutionary success of prokaryotes is explained together with their role in the evolution of the geosphere, the biosphere and its functioning, as well as their ability to colonize all biotopes, including the most extreme ones. We consider that all past and present living beings emerged from prokaryotes and have interacted with them. Forces and mechanisms presented in the various theories of evolution apply to prokaryotes. The major stages of their evolution and biodiversity are also described. Finally, it is emphasized that prokaryotes are living organisms that provide indisputable evidence of evolutionary processes. Many examples of ongoing evolution in prokaryotes, observable at the human scale, are provided.

Microbial Phylogeny and Evolution

Author : Jan Sapp
Publisher : Oxford University Press
ISBN 13 : 0198037775
Total Pages : 349 pages
Book Rating : 4.1/5 (98 download)

DOWNLOAD NOW!

Book Synopsis Microbial Phylogeny and Evolution by : Jan Sapp

Download or read book Microbial Phylogeny and Evolution written by Jan Sapp and published by Oxford University Press. This book was released on 2005-03-03 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: The birth of bacterial genomics since the mid-1990s brought withit several conceptual modifications and wholly new controversies. Working beyond the scope of the neo-Darwinian evolutionary synthesis, a group of leading microbial evolutionists addresses the following and related issues, often with markedly varied viewpoints: · Did the eukaryotic nucleus, cytoskeleton and cilia also orginate from symbiosis? · Do the current scenarios about he origin of mitochondria and plastids require revision? · What is the extent of lateral gene transfer (between "species") among bacteria? · Does the rDNA phylogenetic tree still stand in the age of genomics? · Is the course of the first 3 billion years of evolution even knowable?

Prokaryotic Cytoskeletons

Author : Jan Löwe
Publisher : Springer
ISBN 13 : 331953047X
Total Pages : 457 pages
Book Rating : 4.3/5 (195 download)

DOWNLOAD NOW!

Book Synopsis Prokaryotic Cytoskeletons by : Jan Löwe

Download or read book Prokaryotic Cytoskeletons written by Jan Löwe and published by Springer. This book was released on 2017-05-11 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the structures and functions of active protein filaments, found in bacteria and archaea, and now known to perform crucial roles in cell division and intra-cellular motility, as well as being essential for controlling cell shape and growth. These roles are possible because the cytoskeletal and cytomotive filaments provide long range order from small subunits. Studies of these filaments are therefore of central importance to understanding prokaryotic cell biology. The wide variation in subunit and polymer structure and its relationship with the range of functions also provide important insights into cell evolution, including the emergence of eukaryotic cells. Individual chapters, written by leading researchers, review the great advances made in the past 20-25 years, and still ongoing, to discover the architectures, dynamics and roles of filaments found in relevant model organisms. Others describe one of the families of dynamic filaments found in many species. The most common types of filament are deeply related to eukaryotic cytoskeletal proteins, notably actin and tubulin that polymerise and depolymerise under the control of nucleotide hydrolysis. Related systems are found to perform a variety of roles, depending on the organisms. Surprisingly, prokaryotes all lack the molecular motors associated with eukaryotic F-actin and microtubules. Archaea, but not bacteria, also have active filaments related to the eukaryotic ESCRT system. Non-dynamic fibres, including intermediate filament-like structures, are known to occur in some bacteria.. Details of known filament structures are discussed and related to what has been established about their molecular mechanisms, including current controversies. The final chapter covers the use of some of these dynamic filaments in Systems Biology research. The level of information in all chapters is suitable both for active researchers and for advanced students in courses involving bacterial or archaeal physiology, molecular microbiology, structural cell biology, molecular motility or evolution. Chapter 3 of this book is open access under a CC BY 4.0 license.

Genome and Genomics

Author : K. V. Chaitanya
Publisher : Springer Nature
ISBN 13 : 9811507023
Total Pages : 319 pages
Book Rating : 4.8/5 (115 download)

DOWNLOAD NOW!

Book Synopsis Genome and Genomics by : K. V. Chaitanya

Download or read book Genome and Genomics written by K. V. Chaitanya and published by Springer Nature. This book was released on 2019-11-17 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed and up-to-dated information on the genomes belonging to three major life forms on Earth – archaea, prokaryotes and eukaryotes. Each section describes about the genome of a specific group of organisms, such as viruses, archaea, bacteria, eukaryotes and organellar genomes. Individual chapters provide details of their organization, structure, evolution, sequencing strategies and functions. Further, this book discusses the technologies that are applied for genome sequencing; assembly, annotation and gene prediction. Other topics include the genomes of important model organisms, mitochondria genome of Neanderthal fossil, etc. This book also examines the evolution of chloroplast and mitochondria genomes by comparing with bacteria, addresses the diseases that occur in humans due to the mutations in mitochondrial genome, gene therapy and engineering of chloroplast and mitochondrial genomes. Lastly, it features an overview of the role of proteomics, exposomics, connectomics, metabolomics, and microbiomics. This book is a fascinating read for students, lecturers and researchers in the field of genetics, genomics, microbiology and life sciences.

The Origin and Evolution of Eukaryotes

Author : Patrick J. Keeling
Publisher :
ISBN 13 : 9781621820284
Total Pages : 416 pages
Book Rating : 4.8/5 (22 download)

DOWNLOAD NOW!

Book Synopsis The Origin and Evolution of Eukaryotes by : Patrick J. Keeling

Download or read book The Origin and Evolution of Eukaryotes written by Patrick J. Keeling and published by . This book was released on 2014 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: All protists, fungi, animals, and plants on Earth are eukaryotes. Their cells possess membrane-bound organelles including a nucleus and mitochondria, distinct cytoskeletal features, and a unique chromosome structure that permits them to undergo mitosis or meiosis. The emergence of eukaryotic cells from prokaryotic ancestors about 2 billion years ago was a pivotal evolutionary transition in the history of life on Earth. But the change was abrupt, and few clues exist as to the nature of the intermediate stages. Written and edited by experts in the field, this collection from Cold Spring Harbor Perspectives in Biology examines evolutionary scenarios that likely led to the emergence and rapid evolution of eukaryotes. Contributors review the mechanisms, timing, and consequences of endosymbiosis, as well as molecular and biochemical characteristics of archaea and bacteria that may have contributed to the first eukaryotic lineage. They explore all of the available evidence, including clues from the fossil record and comparative genomics, and formulate ideas about the origin of genomic characteristics (e.g., chromatin and introns) and specific cellular features (e.g., the endomembrane system) in eukaryotes. Topics such as the origins of multicellularity and sex are also covered. This volume includes discussion of multiple evolutionary models that warrant serious attention, as well as lively debate on some of the most contentious topics in the field. It will thus be fascinating reading for evolutionary biologists, cell and molecular biologists, paleobiologists, and all who are interested in the history of life on Earth.

Prokaryotology

Author : Sorin Sonea
Publisher : PUM
ISBN 13 : 2760617564
Total Pages : 107 pages
Book Rating : 4.7/5 (66 download)

DOWNLOAD NOW!

Book Synopsis Prokaryotology by : Sorin Sonea

Download or read book Prokaryotology written by Sorin Sonea and published by PUM. This book was released on 2000 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prokaryotes are profoundly original, highly efficient microorganisms that have played a decisive role in the evolution of life on Earth. Although disjunct, taken together their cells form one global superorganism or biological system. One of the results of their non-Darwinian evolution has been the development of enormous diversity and bio-energetic variety. Prokaryotic cells possess standardized mechanisms for easy gene exchanges (lateral gene transfer) and they can behave like receiving and broadcasting stations for genetic material. Ultimately, the result is a global communication system based on the prokaryotic hereditary patrimony, by analogy, a two-billion-year-old world wide web for their benefit. Eukaryotes have evolved from the association of at least three complementary prokaryotic cells, and their subsequent development has been enriched and accelerated by symbioses with other prokaryotes. One of these symbioses was responsible for the origin of vascular plants which transformed vast sections of the continental surface of the Earth from deserts to areas with luxuriant, life-supporting vegetation. All forms of life on our planet are directly or indirectly sustained and enriched by the positive contribution of prokaryotes. Sorin Sonea and L�o G. Mathieu have been professors at the Department of Microbiology and Immunology (Faculty of Medicine) at the Universit� de Montr�al. They have long been advocates of the ideas presented in this book.