Bacteria And Mineral Cycling
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Bacteria And Mineral Cycling
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Author : Tom Fenchel
language : en
Publisher:
Release Date : 1979
Bacteria And Mineral Cycling written by Tom Fenchel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Science categories.
The requirements of the bacterial cell; The evolution of prokaryoti metabolic pathways; bacteria in detritus food chains; The carbo cycle; The nitogen cycle; The sulfur cycle; Other elements; Microbial symbiosis and mineral cycling; Bacteria and global element cycling.
Bacterial Biogeochemistry
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Author : Tom Fenchel
language : en
Publisher: Academic Press
Release Date : 2012-07-27
Bacterial Biogeochemistry written by Tom Fenchel and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-27 with Science categories.
Bacterial Biogeochemistry, Third Edition focuses on bacterial metabolism and its relevance to the environment, including the decomposition of soil, food chains, nitrogen fixation, assimilation and reduction of carbon nitrogen and sulfur, and microbial symbiosis. The scope of the new edition has broadened to provide a historical perspective, and covers in greater depth topics such as bioenergetic processes, characteristics of microbial communities, spatial heterogeneity, transport mechanisms, microbial biofilms, extreme environments and evolution of biogeochemical cycles. Provides up-to-date coverage with an enlarged scope, a new historical perspective, and coverage in greater depth of topics of special interest Covers interactions between microbial processes, atmospheric composition and the earth's greenhouse properties Completely rewritten to incorporate all the advances and discoveries of the last 20 years such as applications in the exploration for ore deposits and oil and in remediation of environmental pollution
Nitrogen Cycling In Bacteria
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Author : James W. B. Moir
language : en
Publisher: Caister Academic Press Limited
Release Date : 2011
Nitrogen Cycling In Bacteria written by James W. B. Moir and has been published by Caister Academic Press Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Science categories.
This book aims to provide comprehensive reviews of current nitrogen cycle research and to give a broader perspective on the state of our understanding of this key biogeochemical cycle. With contributions from expert authors from around the world, topics covered include: the archaean N-cycle; redox complexes N-cycle; organisation of respiratory chains in N-cycle processes; Mo-nitrogenase; nitrogen assimilation in bacteria; alternative routes to dinitrogen; nitrite and nitrous oxide reductases; assembly of respiratory proteins; nitric oxide metabolism; denitrification in legume-associated endosymbiotic bacteria; nitrous oxide production in the terrestrial environment; bacterial nitrogen cycling in humans.
Fungi In Biogeochemical Cycles
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Author : Geoffrey Michael Gadd
language : en
Publisher: Cambridge University Press
Release Date : 2006-05-04
Fungi In Biogeochemical Cycles written by Geoffrey Michael Gadd 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 2006-05-04 with Medical categories.
This book promotes further understanding of the contribution that fungi make to the biogeochemical cycling of elements, the chemical and biological mechanisms involved, and their environmental and biotechnological significance.
Intracellular Biomineralization In Bacteria
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Author : Damien Faivre
language : en
Publisher: Frontiers E-books
Release Date : 2014-11-14
Intracellular Biomineralization In Bacteria written by Damien Faivre and has been published by Frontiers E-books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-14 with Microbiology categories.
Bacteria can sequester metals and other ions intracellularly in various forms ranging from poorly ordered deposits to well- ordered mineral crystals. Magnetotactic bacteria provide one example of such intracellular deposits. They synthesize intracellular magnetic minerals of magnetite (Fe3O4) and/or greigite (Fe3S4) magnetosomes which are generally less than 150 nm and organized into one or multiple chain structures. The magnetosome chain(s) act like a compass needle to facilitate the navigation of magnetotactic bacteria by using the Earth’s magnetic field. Due to their ubiquitous distribution in aquatic and sedimentary environments, magnetotactic bacteria play important roles in global iron cycling. Other intracellular mineral phases have been evidenced in bacteria such as As2S3, CaCO3, CdS, Se(0) or various metal phosphates which may play as well a significant role in the geochemical cycle of these elements. However, in contrast to magnetotactic bacteria, the biological and environmental function of these particles remains a matter of debate. In recent years, such intracellularly biomineralizaing bacteria have become an attractive model system for investigating the molecular mechanisms of organelle-like structure formation in prokaryotic cells. The geological significance of intracellular biomineralization is important; spectacular examples are fossil magnetosomes that may significantly contribute to the bulk magnetization of sediments and act as potential archives of paleoenvironmental changes. In addition, intracellular mineral deposits formed by bacteria have potentially versatile applications in biotechnological and biomedical fields. After more than four decades of research, the knowledge on intracellularly biomineralizing bacteria has greatly improved. The aim of this Research Topic is to highlight recent advances in our understanding of intracellular biomineralization by bacteria. Magnetotactic bacteria are a system of choice for that topic but other intracellularly biomineralizing bacteria may bring a unique perspective on that process. Research papers, reviews, perspectives, and opinion papers on (i) the diversity and ecology of intracellularly biomineralizing bacteria, (ii) the molecular mechanisms of intracellular biomineralization, (iii) the chemo- and magneto-taxis behaviors of magnetotactic bacteria, (iv) the involvement of intracellularly biomineralizing bacteria in local or global biogeochemical cycling, (v) the paleoenvironmental reconstructions and paleomagnetic signals based on fossil magnetosomes, (vi) and the applications of intracellular minerals in biomaterial and biotechnology were welcomed.
Biogeochemical Cycling Of Mineral Forming Elements
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Author : P.A. Trudinger
language : en
Publisher: Elsevier
Release Date : 1979-01-01
Biogeochemical Cycling Of Mineral Forming Elements written by P.A. Trudinger and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979-01-01 with Science categories.
Biogeochemical Cycling of Mineral-Forming Elements
Nutrient Cycling In Terrestrial Ecosystems
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Author : Petra Marschner
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-01
Nutrient Cycling In Terrestrial Ecosystems written by Petra Marschner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-01 with Science categories.
This book presents a comprehensive overview of nutrient cycling processes and their importance for plant growth and ecosystem sustainability. The book combines fundamental scientific studies and devised practical approaches. It contains contributions of leading international authorities from various disciplines resulting in multidisciplinary approaches, and all chapters have been carefully reviewed. This volume will support scientists and practitioners alike.
The Microbial Ferrous Wheel Iron Cycling In Terrestrial Freshwater And Marine Environments
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Author : David Emerson
language : en
Publisher: Frontiers E-books
Release Date :
The Microbial Ferrous Wheel Iron Cycling In Terrestrial Freshwater And Marine Environments written by David Emerson and has been published by Frontiers E-books this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
In the past 15 years, there has been steady growth in work relating to the microbial iron cycle. It is now well established that in anaerobic environments coupling of organic matter utilization to Fe reduction is a major pathway for anaerobic respiration. In iron-rich circumneutral environments that exist at oxic-anoxic boundaries, significant progress has been made in demonstrating that unique groups of microbes can grow either aerobically or anaerobically using Fe as a primary energy source. Likewise, in high iron acidic environments, progress has been made in the study of communities of microbes that oxidize iron, and in understanding the details of how certain of these organisms gain energy from Fe-oxidation. On the iron scarcity side, it is now appreciated that in large areas of the open ocean Fe is a key limiting nutrient; thus, a great deal of research is going into understanding the strategies microbial cells, principally phytoplankton, use to acquire iron, and how the iron cycle may impact other nutrient cycles. Finally, due to its abundance, iron has played an important role in the evolution of Earth’s primary biogeochemical cycles through time. The aim of this Research Topic is to gather contributions from scientists working in diverse disciplines who have common interests in iron cycling at the process level, and at the organismal level, both from the perspective of Fe as an energy source, or as a limiting nutrient for primary productivity in the ocean. The range of disciplines may include: geomicrobiologists, microbial ecologists, microbial physiologists, biological oceanographers, and biogeochemists. Articles can be original research, techniques, reviews, or synthesis papers. An overarching goal is to demonstrate the environmental breadth of the iron cycle, and foster understanding between different scientific communities who may not always be aware of one another’s work.
Microorganisms In Soils Roles In Genesis And Functions
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Author : Francois Buscot
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-01-04
Microorganisms In Soils Roles In Genesis And Functions written by Francois Buscot and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-04 with Nature categories.
For this third volume of the series Soil Biology, internationally renowned scientists shed light on the significant roles of microbes in soil. Key topics covered include: bioerosion, humification, mineralization and soil aggregation; Interactions in the mycorrhizosphere; microbes and plant nutrient cycling; Microbes in soil surface or toxic metal polluted soils; Use of marker genes and isotopes in soil microbiology, and many more.
Metal Metabolism In Aquatic Environments
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Author : William J. Langston
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Metal Metabolism In Aquatic Environments written by William J. Langston and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
Metal Metabolism in Aquatic Environments is a synthesis of recent developments in the field of metal ecotoxicology and features a number of contemporary issues arising from the interaction of metals and biota, such as pathways of assimilation and food chain transfer, metal accumulation and detoxification in humans and biotransformation of elements such as mercury and arsenic.