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Endosymbiotic Methanogenic Archaea
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Book Synopsis (Endo)symbiotic Methanogenic Archaea by : Johannes H. P. Hackstein
Download or read book (Endo)symbiotic Methanogenic Archaea written by Johannes H. P. Hackstein and published by Springer. This book was released on 2018-11-04 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated monograph deals with methanogenic endosymbionts of anaerobic protists, in particular ciliates and termite flagellates, and with methanogens in the gastrointestinal tracts of vertebrates and arthropods. Further chapters discuss the genomic consequences of living together in symbiotic associations, the role of methanogens in syntrophic degradation, and the function and evolution of hydrogenosomes, hydrogen-producing organelles of certain anaerobic protists. Methanogens are prokaryotic microorganisms that produce methane as an end-product of a complex biochemical pathway. They are strictly anaerobic archaea and occupy a wide variety of anoxic environments. Methanogens also thrive in the cytoplasm of anaerobic unicellular eukaryotes and in the gastrointestinal tracts of animals and humans. The symbiotic methanogens in the gastrointestinal tracts of ruminants and other “methanogenic” mammals contribute significantly to the global methane budget; especially the rumen hosts an impressive diversity of methanogens. This makes this updated volume an interesting read for scientists and students in Microbiology and Physiology.
Author :Johannes H.P. Hackstein Publisher :Springer Science & Business Media ISBN 13 :364213615X Total Pages :245 pages Book Rating :4.6/5 (421 download)
Book Synopsis (Endo)symbiotic Methanogenic Archaea by : Johannes H.P. Hackstein
Download or read book (Endo)symbiotic Methanogenic Archaea written by Johannes H.P. Hackstein and published by Springer Science & Business Media. This book was released on 2010-09-08 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated monograph deals with methanogenic endosymbionts of anaerobic protists, in particular ciliates and termite flagellates, and with methanogens in the gastrointestinal tracts of vertebrates and arthropods. Further chapters discuss the genomic consequences of living together in symbiotic associations, the role of methanogens in syntrophic degradation, and the function and evolution of hydrogenosomes, hydrogen-producing organelles of certain anaerobic protists. Methanogens are prokaryotic microorganisms that produce methane as an end-product of a complex biochemical pathway. They are strictly anaerobic archaea and occupy a wide variety of anoxic environments. Methanogens also thrive in the cytoplasm of anaerobic unicellular eukaryotes and in the gastrointestinal tracts of animals and humans. The symbiotic methanogens in the gastrointestinal tracts of ruminants and other “methanogenic” mammals contribute significantly to the global methane budget; especially the rumen hosts an impressive diversity of methanogens. This makes this updated volume an interesting read for scientists and students in Microbiology and Physiology.
Book Synopsis Endosymbiotic methanogenic bacteria in anaerobic ciliates by : T. Fenchel
Download or read book Endosymbiotic methanogenic bacteria in anaerobic ciliates written by T. Fenchel and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protocols in Protozoology by : John J. Lee
Download or read book Protocols in Protozoology written by John J. Lee and published by Wiley-Blackwell. This book was released on 1992 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a manual of protocols for working with protozoa with chapters written by experts in the study of various protozoa (both free living and parasitic). It is one of the few sources for media and isolation techniques for these organisms. The format allows removal of pages for photocopy for use as teaching or bench laboratory aids. Major sections include chapters related to isolation, cultivation, and cryopreservation of protozoa; ecological methods; fixation, staining, light and electron microscopic techniques for protozoa; molecular analysis of protozoa; and educational experiments and demonstrations using protozoa.
Book Synopsis The Rumen Protozoa by : Alan G. Williams
Download or read book The Rumen Protozoa written by Alan G. Williams and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: All ruminants are dependent on the microorganisms that live in their forestomach - the rumen - to break down ingested feed constituents into a form that the host animal can utilize. Protozoa are part of this complex ruminal population and are essential for the nutritional well-being and productivity of the host ruminant. Over 30 different genera (nearly 300 species) of protozoa from the rumen ecosystem have been described since their initial discovery nearly 150 years ago. This book brings together, for the first time, the available information on these protozoa. It comprehensively describes the characteristic anatomical features of value for their identification and includes detailed sections on techniques and methodologies for the isolation and cultivation of these fastidious, oxygen-sensitive microorganisms. Their occurrence, biochemistry, physiology, and role in the ruminal ecosystem are fully reviewed. Particular emphasis is given to potential improvement of the nutrition and productivity of the host ruminant through manipulation of the protozoal population and its activities.
Book Synopsis Mitochondria and Anaerobic Energy Metabolism in Eukaryotes by : William F. Martin
Download or read book Mitochondria and Anaerobic Energy Metabolism in Eukaryotes written by William F. Martin and published by Walter de Gruyter GmbH & Co KG. This book was released on 2020-12-07 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mitochondria are sometimes called the powerhouses of eukaryotic cells, because mitochondria are the site of ATP synthesis in the cell. ATP is the universal energy currency, it provides the power that runs all other life processes. Humans need oxygen to survive because of ATP synthesis in mitochondria. The sugars from our diet are converted to carbon dioxide in mitochondria in a process that requires oxygen. Just like a fire needs oxygen to burn, our mitochondria need oxygen to make ATP. From textbooks and popular literature one can easily get the impression that all mitochondria require oxygen. But that is not the case. There are many groups of organismsm known that make ATP in mitochondria without the help of oxygen. They have preserved biochemical relicts from the early evolution of eukaryotic cells, which took place during times in Earth history when there was hardly any oxygen avaiable, certainly not enough to breathe. How the anaerobic forms of mitochondria work, in which organisms they occur, and how the eukaryotic anaerobes that possess them fit into the larger picture of rising atmospheric oxygen during Earth history are the topic of this book.
Book Synopsis The Prokaryotes by : Edward F. DeLong
Download or read book The Prokaryotes written by Edward F. DeLong and published by Springer. This book was released on 2014-10-13 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Prokaryotes is a comprehensive, multi-authored, peer reviewed reference work on Bacteria and Achaea. This fourth edition of The Prokaryotes is organized to cover all taxonomic diversity, using the family level to delineate chapters. Different from other resources, this new Springer product includes not only taxonomy, but also prokaryotic biology and technology of taxa in a broad context. Technological aspects highlight the usefulness of prokaryotes in processes and products, including biocontrol agents and as genetics tools. The content of the expanded fourth edition is divided into two parts: Part 1 contains review chapters dealing with the most important general concepts in molecular, applied and general prokaryote biology; Part 2 describes the known properties of specific taxonomic groups. Two completely new sections have been added to Part 1: bacterial communities and human bacteriology. The bacterial communities section reflects the growing realization that studies on pure cultures of bacteria have led to an incomplete picture of the microbial world for two fundamental reasons: the vast majority of bacteria in soil, water and associated with biological tissues are currently not culturable, and that an understanding of microbial ecology requires knowledge on how different bacterial species interact with each other in their natural environment. The new section on human microbiology deals with bacteria associated with healthy humans and bacterial pathogenesis. Each of the major human diseases caused by bacteria is reviewed, from identifying the pathogens by classical clinical and non-culturing techniques to the biochemical mechanisms of the disease process. The 4th edition of The Prokaryotes is the most complete resource on the biology of prokaryotes. The following volumes are published consecutively within the 4th Edition: Prokaryotic Biology and Symbiotic Associations Prokaryotic Communities and Ecophysiology Prokaryotic Physiology and Biochemistry Applied Bacteriology and Biotechnology Human Microbiology Actinobacteria Firmicutes Alphaproteobacteria and Betaproteobacteria Gammaproteobacteria Deltaproteobacteria and Epsilonproteobacteria Other Major Lineages of Bacteria and the Archaea
Book Synopsis Biogenesis of Hydrocarbons by : Alfons J. M. Stams
Download or read book Biogenesis of Hydrocarbons written by Alfons J. M. Stams and published by Springer. This book was released on 2019-08-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book covers the microbiological, environmental and biotechnological aspects of alkane production. Alkanes are important energy-rich compounds on earth. Microbial synthesis of methane and other alkanes is an essential part of the geochemical cycling of carbon and offers perspectives for our biobased economy. This book discusses different aspects of current knowledge of microbial alkane production. Chapters with state of the art information are written by renowned scientists in the field. The chapters are organised into four themed parts:1. Biochemistry of Biogenesis - Hydrocarbons2. Taxonomy, Ecophysiology and Genomics of Biogenesis - Hydrocarbons3. Biogenic Communities: Members, Functional Roles4. Global Consequences of Methane Production
Book Synopsis The Rumen Microbial Ecosystem by : P.N. Hobson
Download or read book The Rumen Microbial Ecosystem written by P.N. Hobson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Preface to the first edition of this book explained the reasons for the publication of a comprehensive text on the rumen and rumen microbes in 1988. The microbes of the ruminant's forestomach and those in related organs in other animals and birds provide the means by which herbivorous animals can digest and obtain nutriment from vegetation. In turn, humans have relied, and still do rely, on herbivores for much of their food, clothing and motive power. Herbivores also form the food of carnivorous animals and birds in the wild. The importance of the rumen microorganisms is thus apparent. But, while a knowledge of rumen organisms is not strictly neces sary for the normal, practical feeding of farm animals, in recent years there has been much more emphasis on increasing the productivity of domesti cated animals and in rearing farm animals on unusual feedstuffs. Here, a knowledge of the reactions of the rumen flora, and the limits to these reactions, can be invaluable. In addition, anaerobic rumen-type microor ganisms are found in the intestines of omnivores, including humans, and can be implicated in diseases of humans and animals. They are also found in soils and natural waters, where they playa part in causing pollution and also in reducing it, while the same organisms confined in artificial systems are essential for the purification of sewage and other polluting and toxic wastes.
Book Synopsis Ecology and Evolution in Anoxic Worlds by : Tom Fenchel
Download or read book Ecology and Evolution in Anoxic Worlds written by Tom Fenchel and published by Oxford University Press, USA. This book was released on 1995 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interactions with the oxic world are explored in the last chapter. The ecological and evolutionary significance of the arrival of oxygen in the Proterozoic is discussed in detail, especially as it eventually led to the possibility of long food chains.
Book Synopsis New Uses for New Phylogenies by : Paul H. Harvey
Download or read book New Uses for New Phylogenies written by Paul H. Harvey and published by Oxford University Press on Demand. This book was released on 1996 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent advances in molecular genetics make the sequencing of genes a straightforward exercise. Comparisons of sequenced genes from different individuals of a species, or from different species, allow the construction of family trees or evolutionary trees which reveal genetic relationships. This volume shows for the first time how those trees, or phylogenies, can be used to answer questions about population dynamics, epidemiology, development, biodiversity, conservation, and the evolution of genetic systems. The techniques for deciding what these new trees can tell us come together in a unified framework so that a common set of methods can be applied, whatever area of biology interests the researcher.
Book Synopsis Symbiotic Interactions Among Protists, Archaea, and Bacteria in Low Oxygen Environments by : Marissa Brett Hirst
Download or read book Symbiotic Interactions Among Protists, Archaea, and Bacteria in Low Oxygen Environments written by Marissa Brett Hirst and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In the natural world, most bacteria, archaea, and microbial eukaryotes live in close association with other microbes, and are often key symbiotic residents in protists (single-celled microbial eukaryotes excluding fungi) as well as multicellular eukaryotic hosts. Symbiosis, or "the living together of unlike organisms," has been a major driving force in shaping the evolution of the eukaryotic cell. Partnerships between eukaryotes and microorganisms are important because they have a wide taxonomic distribution across the tree of life, suggesting that symbioses play an essential role in the evolution of the species involved. Symbiosis-specific genes, pathways, and structures have also been identified, which are a direct result of evolution favoring the maintenance of the partnership. Lastly, microorganisms make up the greatest biomass and are also responsible for the most complex biochemical reactions on Earth, which makes symbioses between microbes and eukaryotes crucial for driving the evolution of communities. One common misconception regarding microbial eukaryotes is that they are absent from anaerobic environments, but in fact, they are common in a variety of anaerobic habitats including tidal marshes, microbial mats, anoxic marine basins, and the guts of many animals. Although the eukaryotic lineage of the tree of life is primarily composed of single-celled microbial eukaryotes, little is known about free-living protists (with the exception of pathogens). The second chapter of this dissertation focuses on a successful, new method used to describe the diversity of protists in diverse environments by linking culture-independent small subunit ribosomal RNA (SSU rRNA) sequencing to the morphology of protists. Anaerobic environments are habitats that are strongly influenced by microbially-mediated, symbiosis driven biogeochemical cycling. Many microorganisms cannot perform anaerobic respiration, but instead, ferment organic acids and generate ATP in the process. In anaerobic habitats; however, a single fermenting microbe cannot completely catabolize carbon substrates to carbon dioxide without the concerted activity with other microbial anaerobes. In this regard, one microbe lives off of the byproducts of another microorganism and neither microbe could survive on its own. This type of mutualism is known as syntrophy and is a thermodynamically interdependent lifestyle. One environment in which anaerobic microbial eukaryotes are prevalent and have intimate partnerships with bacteria and archaea, is the cow rumen. Rumen ciliates ferment organic acids to acetate or other volatile fatty acids while producing ATP and generating carbon dioxide and dihydrogen. Fermentation by rumen ciliates is an endergonic reaction in the rumen, but becomes exergonic when it is coupled to methanogenesis. Methanogens utilize carbon dioxide as a carbon source and dihydrogen as an energy source; the coupling of fermentation and methanogenesis is known as "interspecies hydrogen transfer" (IHT). IHT is known to occur between free-living methanogens and rumen ciliates, but a syntrophic symbiosis between ciliates and methanogens has not been confirmed in the literature. The third chapter of this dissertation identifies and describes the underlying metabolism of the first two putative, obligate, endosymbiotic methanogenic archaea in ciliates using fluorescence activated cell sorting (FACS), metagenomic sequencing, assembly, and annotation, and rRNA-targeted fluorescent in situ hybridization (FISH). Lastly, symbioses between bacteria in anaerobic environments can drive cycling in anoxic marine environments, and in particular Oxygen Minimum Zones (OMZs). In suboxic waters and OMZs specifically, denitrification (conversion of nitrate to dinitrogen) is limited by the diffusive flux of nitrate from water into the overlying sediments; however, the production of dinitrogen occurs below these limits, suggesting that an alternative, microbiologically driven metabolic process may be responsible for the loss of nitrogen from OMZs. Anammox bacteria are present in OMZs and gain valuable free energy by reducing ammonium to nitrite while producing dinitrogen (NO3− [arrow right] NO2− [arrow right] NH4+). In addition, Thioploca (macroscopic bacteria) are found in OMZs, and are chemolithoautotrophic sulfur-oxiding proteobacteria that glide vertically through marine sediments. Thioploca couples sulfide oxidation with dissimilatory nitrate/nitrite reduction at depth (NO3− + H2S + H2O [arrow right] SO4−2 + NH4+) but also converts large stores of nitrate to nitrite and generates elemental sulfur that it stores in vacuoles within its cells (NO3− + H2S [arrow right] NO2− + S0 + H2O). Based on geochemical and isotopic observations, a symbiosis between anammox bacteria and Thioploca was hypothesized to be the driving force behind the loss of dinitrogen from marine sediments underlying OMZs. The last chapter of this dissertation provides molecular (SSU rRNA sequence data), microscopic data (rRNA-targeted FISH), and isotopic evidence supporting the hypothesis that there is a symbiosis between Thioploca and anammox bacteria, responsible for upwards of 20% nitrogen loss from OMZs.
Book Synopsis Protein Sensors and Reactive Oxygen Species by : Helmut Sies
Download or read book Protein Sensors and Reactive Oxygen Species written by Helmut Sies and published by Academic Press. This book was released on 2002 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of Methods in Enzymology is concerned with the rapidly developing field of selenoprotein synthesis and its related molecular genetics. Progressive information on the topics of proteins as redox sensors, selenoproteins, and the thioredoxin system is studied using methods such as bioinformatics, DNA chip technology, cell biology, molecular genetics, and enzymology. The information on novel selenoproteins identified from genomic sequence data, as well as current knowledge on glutathione peroxidases, selenoprotein P, iodothyronine deiodinases, and thioredoxin reductases, is presented in a method-based approach.
Book Synopsis Essential Microbiology by : Stuart Hogg
Download or read book Essential Microbiology written by Stuart Hogg and published by John Wiley & Sons. This book was released on 2013-06-10 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Essential Microbiology 2nd Edition is a fully revised comprehensive introductory text aimed at students taking a first course in the subject. It provides an ideal entry into the world of microorganisms, considering all aspects of their biology (structure, metabolism, genetics), and illustrates the remarkable diversity of microbial life by devoting a chapter to each of the main taxonomic groupings. The second part of the book introduces the reader to aspects of applied microbiology, exploring the involvement of microorganisms in areas as diverse as food and drink production, genetic engineering, global recycling systems and infectious disease. Essential Microbiology explains the key points of each topic but avoids overburdening the student with unnecessary detail. Now in full colour it makes extensive use of clear line diagrams to clarify sometimes difficult concepts or mechanisms. A companion web site includes further material including MCQs, enabling the student to assess their understanding of the main concepts that have been covered. This edition has been fully revised and updated to reflect the developments that have occurred in recent years and includes a completely new section devoted to medical microbiology. Students of any life science degree course will find this a concise and valuable introduction to microbiology.
Book Synopsis Intestinal Microorganisms of Termites and Other Invertebrates by : Helmut König
Download or read book Intestinal Microorganisms of Termites and Other Invertebrates written by Helmut König and published by Springer Science & Business Media. This book was released on 2006 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first work to focus on microbes in gut systems of soil animals. Beginning with an overview of the biology of soil invertebrates, the text turns to the gut microbiota of termites, which are important soil processors in tropical and subtropical regions. Coverage extends to intestinal microbiota of such other litter decomposers as earthworms, springtails, millipedes, and woodlice. Thoroughly illustrated, including color photographs.
Book Synopsis Biotechnology for Sustainable Environment by : Sanket J. Joshi
Download or read book Biotechnology for Sustainable Environment written by Sanket J. Joshi and published by Springer Nature. This book was released on 2021-08-01 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together the most recent advances from leading experts in the burgeoning field of environmental biotechnology. The contributing chapters adopt a multidisciplinary approach related to environmental aspects of agriculture, industry, pharmaceutical sciences and drug developments from plant and microbial sources, biochemical chemical techniques/methods/protocols involved in different areas of environmental biotechnology. Book also highlights recent advancements, newly emerging technologies, and thought provoking approaches from different parts of the world. It also discusses potential future prospects associated with some frontier development of biotechnological research related to the environment. This book will be of interest to teachers, researchers, biotechnologists, capacity builders and policymakers, and will serve as additional reading material for undergraduate and graduate students of biotechnology, microbiology and environmental sciences.
Book Synopsis Evolutionary Relationships Among Protozoa by : Graham H. Coombs
Download or read book Evolutionary Relationships Among Protozoa written by Graham H. Coombs and published by Springer. This book was released on 1998-10-31 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The evolutionary biology of protozoa is a field in which exciting changes are taking place. Relationships between different groups of protozoa are undergoing extensive review and the revised views will have significant repercussions for future investigations. New data from molecular and ultrastructural studies have changed our perception of evolution among this diverse group of organisms in recent years. This volume, part of the Systematics Association Special Volume Series, aims to review this important area and give an up-to-date synthesis of current understanding. The various chapters are deliberately broad in scope and explore areas such as the contribution of different techniques and approaches to the understanding of protistan evolution and the biochemical and physiological aspects of that evolution; there are also chapters that analyse and explore specific protistan groups. In addition some of the chapters discuss topics that are currently very controversial within this field, such as the finding that the 18S rRNA phylogenetic tree of protozoa is probably unreliable. The world-renowned editors have assembled an international team of outstanding scientists whose contributions have produced a volume of interest to all evolutionary biologists and especially those interested in protozoa.
