Microbial Enzymes In Aquatic Environments
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Microbial Enzymes In Aquatic Environments
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Author : Ryszard J. Chrost
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Microbial Enzymes In Aquatic Environments written by Ryszard J. Chrost 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 2012-12-06 with Science categories.
Organic matter in aquatic environments consists mostly of large compounds which cannot be taken up and utilized directly by microbial cells. Prior to incorporation, polymeric materials undergo degradation by cell-bound and extracellular enzymes produced by these microbes; in fact, such enzymatic mobilization and transformation is the key process which regulates the turnover of organic as well as inorganic compounds in aquatic environments. This volume brings together studies on enzymatic degradation processes from disciplines as diverse as water and sediment research, bacterial and algal aquatic ecophysiology, eutrophication, and nutrient cycling and biogeochemistry, in both freshwater and marine ecosystems. Its scope extends from fundamental research exploring the contribution of microbial enzymatic processes to whole ecosystem functioning to practical applications in water biotechnology. The first comprehensive publication providing an overview of this emerging field of enzymology, Microbial Enzymes in Aquatic Environments will be of great interest to ecologists and microbiologists alike.
Extracellular Enzymes In Aquatic Environments Exploring The Link Between Genomic Potential And Biogeochemical Consequences
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Author : Maria Montserrat Sala
language : en
Publisher: Frontiers Media SA
Release Date : 2019-09-19
Extracellular Enzymes In Aquatic Environments Exploring The Link Between Genomic Potential And Biogeochemical Consequences written by Maria Montserrat Sala and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-19 with categories.
Microbial extracellular enzymes are fundamental to the cycling of elements in aquatic systems. The regulation of these enzymatic reactions in oceans, lakes and streams is under complex multiple control by environmental factors and the metabolic capacities of different taxa and communities. While the environmental control of enzyme-mediated processes has been investigated for over 100 years, in recent years tremendous progress in techniques to characterize the metabolic potential of microbial communities (“omics” techniques) has been made, such as high-throughput sequencing and new analytical algorithms. This book explores the controls, activities, and biogeochemical consequences of enzymes in aquatic environments. It brings together experimental studies and fieldwork conducted with natural microbial communities in marine and freshwater ecosystems as well as physiological, biochemical and molecular studies on microbial communities in these environments, or species isolated from them. Additionally, the book contributes to the ongoing debate on the impact of anthropogenic climate change and pollution on microbes, extracellular enzymes and substrate turnover.
Enzymes In The Environment
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Author : Richard G. Burns
language : en
Publisher: CRC Press
Release Date : 2002-01-29
Enzymes In The Environment written by Richard G. Burns and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-01-29 with Science categories.
The need to understand the biological processes that are important for essential aquatic and terrestrial ecosystem function has prompted much research into the field of ecological enzymology. This book presents the two broad areas of application in a compilation of reviews by 21 international experts in their respective fields. The first explores enzymatic activities to assess the processes or mechanisms that operate in a given system, such as the rhizosphere, plant leaves and shoots, soil surfaces, and biofilms. The second considers enzymes or microbial cells as sensors to detect microbial activity and stresses due to pollution, management, or climatic change in both aquatic and terrestrial ecosystems.
Aquatic Humic Substances
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Author : Dag Hessen
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Aquatic Humic Substances written by Dag Hessen 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 2013-03-09 with Science categories.
Humic substances occur in all kinds of aquatic systems, but are particularly important in northern, coniferous areas. They strongly modify the aquatic ecosystems and also constitute a major problem in the drinking water supply. This volume covers all aspects of aquatic humic substances, from their origin and chemical properties, their effects on light and nutrient regimes and biogeochemical cycling, to their role regarding organisms, productivity and food web organization from bacteria to fish. Special emphasis is paid to carbon cycling and food web organization in humic lakes, but aspects of marine carbon cycling related to humus are treated as well.
Aquatic Ecosystems Interactivity Of Dissolved Organic Matter
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Author : Stuart Findlay
language : en
Publisher: Academic Press
Release Date : 2003
Aquatic Ecosystems Interactivity Of Dissolved Organic Matter written by Stuart Findlay and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Nature categories.
Overviews of the source, supply and variability of DOM, surveys of the processes that mediate inputs to microbial food webs, and syntheses consolidating research findings provide a comprehensive review of what is known of DOM in freshwater. This book will be important to anyone interested in understanding the fundamental factors associated with DOM that control aquatic ecosystems."--BOOK JACKET.
Native Aquatic Bacteria Enumeration Activity And Ecology
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Author : J. W. Costerton
language : en
Publisher: ASTM International
Release Date : 1979
Native Aquatic Bacteria Enumeration Activity And Ecology written by J. W. Costerton and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Science categories.
Advances In Aquatic Microbiology
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Author : M.R. Droop
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Advances In Aquatic Microbiology written by M.R. Droop and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Advances in Aquatic Microbiology Volume 1 describes the characteristics of ecological niches for individual microorganisms and the intensities of individual microbiological processes in the course of turnover of various substances in reservoirs. This volume follows Volume 1 of Advances in Microbiology of the Sea book. The opening chapter presents insight to the tradition of Russian limnological microbiology followed by a discussion on conversion of inorganic nitrogen to organic nitrogen, and the microorganisms responsible for assimilatory reactions. The book considers aspects of the reduction of atmospheric dinitrogen and nitrate to ammonia and the incorporation of ammonia into organic compounds. Such considerations will relate particularly to those organisms of significance in aquatic environments. The relations between prey and predator and their significance in the investigation both the behavior of the microorganisms themselves and the prey-predator situation in general are also discussed. Chapter 4 examines how viruses, bacteria, and fungi affect the blue-green algae and the development and regulation of algal blooms. The final two chapters summarize studies in freshwater sediment microbiology and the role of bacteria in water pollution monitoring. This book caters primarily to aquatic microbiologists, but limnological microbiologists, aquatic researchers, scientists, teachers, and students with courses in aquatic microbiology will find this book invaluable.
Environmental Bioinorganic Chemistry Of Aquatic Microbial Organisms
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Author : Christel Hassler
language : en
Publisher: Frontiers E-books
Release Date : 2013-07-05
Environmental Bioinorganic Chemistry Of Aquatic Microbial Organisms written by Christel Hassler 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 2013-07-05 with categories.
The Environmental Bioinorganic Chemistry of Aquatic Microbial Organisms describes the interactions between metals and aquatic prokaryotic and eukaryotic microorganisms in their environment. Metals influence microbial growth in the aquatic environment as they can be either toxic to aquatic microbes, if present at too high concentrations in the environment, or limiting, if bio-essential and present at very low concentrations. In turn, microorganisms influence the biogeochemical cycling of metals as they affect trace metal concentrations, distributions between particulate and dissolved phase, and chemical speciation. At the sub cellular level, metalloproteins are the catalysts driving many steps in the biogeochemical cycles of major elements such as carbon, nitrogen and sulfur. Metals thus provide a link between the abundance and activity of enzymes, the growth of microorganisms, and the biogeochemical cycles of major climate influencing elements. Furthermore, the evolution of the chemistry of aquatic environments and atmosphere has left its mark on the microbial proteome as a direct result of changes in the solubility of metals. The aquatic microbial metallome thus has the potential to reveal information about key biogeochemical processes, their spatial and seasonal occurrence, and also to reveal how the geochemical environment is shaping the microbial population itself. The aim of this Research Topic is to highlight recent advances in our understanding of how metals influence the activity of aquatic microbes, and how microbes influence the biogeochemical cycling of metals. Applications of techniques in proteomics, spectroscopy, mass spectrometry and genomics are all leading to a greater understanding of the interactions between the microbial metallome and the “aquatic metallome” and thus the influence of metals on the biogeochemical cycles of climatically important elements such as carbon, nitrogen and sulfur. Both reviews and original research on the occurrence and abundance of microbial metal proteins and peptides, the utilisation of metals by aquatic microbes, the influence of microbially produced exudates on metal speciation and the biogeochemical cycling, and the toxicity of metals to microbial organisms are welcome.
The Structure And Function Of Aquatic Microbial Communities
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Author : Christon J. Hurst
language : en
Publisher: Springer
Release Date : 2019-05-13
The Structure And Function Of Aquatic Microbial Communities written by Christon J. Hurst and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-13 with Science categories.
This book discusses how aquatic microbial communities develop interactive metabolic coordination both within and between species to optimize their energetics. It explains that microbial community structuration often includes functional stratification among a multitude of organisms that variously exist either suspended in the water, lodged in sediments, or bound to one another as biofilms on solid surfaces. The authors describe techniques that can be used for preparing and distributing microbiologically safe drinking water, which presents the challenge of successfully removing the pathogenic members of the aquatic microbial community and then safely delivering that water to consumers. Drinking water distribution systems have their own microbial ecology, which we must both understand and control in order to maintain the safety of the water supply. Since studying aquatic microorganisms often entails identifying them, the book also discusses techniques for successfully isolating and cultivating bacteria. As such, it appeals to microbiologists, microbial ecologists and water quality scientists.
Aquatic Microbial Ecology
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Author : Jurgen Overbeck
language : en
Publisher:
Release Date : 2014-01-15
Aquatic Microbial Ecology written by Jurgen Overbeck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.