Heterocystous N2 Fixing Cyanobacteria

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Heterocystous N2-fixing Cyanobacteria

Author : Neissa M. Pinzon-Gamez
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (19 download)

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Book Synopsis Heterocystous N2-fixing Cyanobacteria by : Neissa M. Pinzon-Gamez

Download or read book Heterocystous N2-fixing Cyanobacteria written by Neissa M. Pinzon-Gamez and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The concern about the exhaustion of fossil fuels and the harmful effects of their emissions to the environment is guiding efforts to find new energy alternatives. One of the most promising energy resources is hydrogen (H2). Cyanobacteria are among the most important candidates for photobiological H2 production. Some filamentous cyanobacteria have evolved to differentiate specialized cells called heterocysts where nitrogen fixation and H2 production take place. The complete understanding of the process of heterocyst differentiation is of great importance for photobiological H2 production. Prior to this study, there were no quantitative culture-level models that describe the effects of cellular activities and cultivation conditions on the heterocyst differentiation. Such a model was developed in this thesis, incorporating photosynthetic growth, heterocyst differentiation, self-shading effect on light penetration, and nitrogen fixation. This first-generation model was found to describe well the experimental results and it was able to predict different culture properties. Since the productivity and economics of all photosynthsis-related processes are influenced by the light utilization efficiency, the effect of red vs. white light, and their intensities, on cell growth and heterocyst differentiation was also investigated. Red light was found not only to stimulate the growth of the studied microorganisms but also to give higher heterocyst frequencies. Gas vesicles were another interesting structure of some cyanobacteria studied in this thesis. Gas vesicles provide cyanobacteria with a mechanism of buoyancy regulation. Purified gas vesicle suspensions had been shown to improve oxygenation in oxygen limited systems. In order to improve the cell-collection efficacy of cyanobacteria with gas vesicles, three different flocculants were tested and compaired, i.e. polyethyleneimine (PEI), chitosan and MPE-50 (a commerical product from Ondeo Nalco Center, exact formulation unknown). Even though, they showed similar flocculation efficacy at low cell concentrations, chitosan flocculation ability was greatly increased when the pH of the cell suspension was adjusted to lower values. Chitosan was proved to the useful for cyanobacterial cell collection using a concentration of 50 mg/L and adjusting pH of the cell sample to 5-7. The sensitivity of chitosan to changes in pH may be useful also in the later step of recovery and purification of gas vesicles after cell lysis."--Abstract

Marine Pelagic Cyanobacteria: Trichodesmium and other Diazotrophs

Author : E.J. Carpenter
Publisher : Springer Science & Business Media
ISBN 13 : 9401579776
Total Pages : 355 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Marine Pelagic Cyanobacteria: Trichodesmium and other Diazotrophs by : E.J. Carpenter

Download or read book Marine Pelagic Cyanobacteria: Trichodesmium and other Diazotrophs written by E.J. Carpenter and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: Planktonic marine cyanobacteria are abundant and significant in the biogeochemistry of the sea. This volume focuses on the filamentous cyanobacteria, particularly those in the genus Trichodesmium which are common in tropical and subtropical seas. A portion of this book also concerns bloom-forming cyanobacteria in the Baltic Sea area. Filamentous cyanobacteria are important as primary producers and for the fixation of atmospheric nitrogen and thus are significant in global cycling of both of these elements. In recent years, through the application of new techniques and intensive multi-disciplinary research programs, progress has been made in understanding both the biology of these cyanobacteria and their place in the marine food web. A broad range of topics is covered in this book, ranging from molecular biology, physiology, ultrastructure, enzyme localization, toxicology, remote sensing, buoyancy, herbivory and the ecology of these organisms in the marine food web. This volume is an outgrowth of a NATO-sponsored meeting held in May 1991 in Bamberg, Germany, and represents the latest synthesis on these marine phytoplankters.

Cyanobacteria in Symbiosis

Author : A.N. Rai
Publisher : Springer Science & Business Media
ISBN 13 : 0306480050
Total Pages : 357 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Cyanobacteria in Symbiosis by : A.N. Rai

Download or read book Cyanobacteria in Symbiosis written by A.N. Rai and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cyanobacterial symbioses are no longer regarded as mere oddities but as important components of the biosphere, occurring both in terrestrial and aquatic habitats worldwide. It is becoming apparent that they can enter into symbiosis with a wider variety of organisms than hitherto known, and there are many more still to be discovered, particularly in marine environments. The chapters cover cyanobacterial symbioses with plants (algae, bryophytes, Azolla, cycads, Gunnera), cyanobacterial symbioses in marine environments, lichens, Nostoc-Geosiphon (a fungus closely related to arbuscular mycorrhiza fungi) symbiosis, and artificial associations of cyanobacteria with economically important plants. In addition, cyanobiont diversity, sensing-signalling, and evolutionary aspects of the symbiosis are dealt with. Renowned experts actively involved in research on cyanobacterial symbioses deal with ecological, physiological, biochemical, molecular, and applied aspects of all known cyanobacterial symbioses. This volume on cyanobacteria in symbiosis complements the two earlier volumes on cyanobacteria published by Kluwer (Molecular Biology of Cyanobacteria, edited by D.A. Bryant and Ecology of Cyanobacteria, edited by B.A. Whitton and M. Potts). Together, the three volumes provide the most comprehensive treatment of cyanobacterial literature as a whole. The book will serve as a valuable reference work and text for teaching and research in the field of plant-microbe interactions and nitrogen fixation.

Cyanobacteria Biotechnology

Author : Paul Hudson
Publisher : John Wiley & Sons
ISBN 13 : 352782491X
Total Pages : 560 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis Cyanobacteria Biotechnology by : Paul Hudson

Download or read book Cyanobacteria Biotechnology written by Paul Hudson and published by John Wiley & Sons. This book was released on 2021-04-20 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unites a biological and a biotechnological perspective on cyanobacteria, and includes the industrial aspects and applications of cyanobacteria Cyanobacteria Biotechnology offers a guide to the interesting and useful features of cyanobacteria metabolism that keeps true to a biotechnology vision. In one volume the book brings together both biology and biotechnology to illuminate the core acpects and principles of cyanobacteria metabolism. Designed to offer a practical approach to the metabolic engineering of cyanobacteria, the book contains relevant examples of how this metabolic "module" is currently being engineered and how it could be engineered in the future. The author includes information on the requirements and real-world experiences of the industrial applications of cyanobacteria. This important book: Brings together biology and biotechnology in order to gain insight into the industrial relevant topic of cyanobacteria Introduces the key aspects of the metabolism of cyanobacteria Presents a grounded, practical approach to the metabolic engineering of cyanobacteria Offers an analysis of the requirements and experiences for industrial cyanobacteria Provides a framework for readers to design their own processes Written for biotechnologists, microbiologists, biologists, biochemists, Cyanobacteria Biotechnology provides a systematic and clear volume that brings together the biological and biotechnological perspective on cyanobacteria.

Cell Biology of Bacteria

Author : Lucy Shapiro
Publisher :
ISBN 13 : 9780879699079
Total Pages : 0 pages
Book Rating : 4.6/5 (99 download)

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Book Synopsis Cell Biology of Bacteria by : Lucy Shapiro

Download or read book Cell Biology of Bacteria written by Lucy Shapiro and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Often thought to lack signifucant internal organization by comparison with eukaryotic cells, prokaryotes have in face been shown to possess distinct intracellular compartments. The book covers all aspects of prokaryotic cell biology, including the bacterial cytoskeleton, membrance organization, chromosome dynamics, nucleic acid processing and dynamics, as well as various methods.

Genetics and Regulation of Nitrogen Fixation in Free-Living Bacteria

Author : Werner Klipp
Publisher : Springer Science & Business Media
ISBN 13 : 1402021798
Total Pages : 313 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Genetics and Regulation of Nitrogen Fixation in Free-Living Bacteria by : Werner Klipp

Download or read book Genetics and Regulation of Nitrogen Fixation in Free-Living Bacteria written by Werner Klipp and published by Springer Science & Business Media. This book was released on 2006-01-28 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Genetics and Regulation of Nitrogen-Fixing Bacteria This book is the second volume of a seven-volume series, which covers all fields of research related to nitrogen fixation - from basic studies through applied aspects to environmental impacts. Volume II provides a comprehensive and detailed source of information concerning the genetics and regulation of biological nitrogen fixation in free-living prokaryotes. This preface attempts to provide the reader with some insight into how this volume originated, how it was planned, and then how it developed over the several years of its production. Once the editorial team was established, the first job was to decide which of the many free-living diazotrophs that have been subjected to genetic analysis should be included in this volume. Would we need to develop specific criteria for selection or would the organisms, in effect, select themselves? Of course, Klebsiella pneumoniae and Azotobacter vinelandii, which have served (and still serve) as the main model organisms for the genetic analysis of diazotrophy, plus some of the other bacteria described in this volume, did indeed select themselves. However, there was considerable discussion surrounding well-characterized fixing species, like Azorhizobium caulinodans and Herbaspirillum seropedicae, both of which are able to fix atmospheric N under free-living conditions.

The Biology of Cyanobacteria

Author : N. G. Carr
Publisher : Univ of California Press
ISBN 13 : 9780520047174
Total Pages : 708 pages
Book Rating : 4.0/5 (471 download)

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Book Synopsis The Biology of Cyanobacteria by : N. G. Carr

Download or read book The Biology of Cyanobacteria written by N. G. Carr and published by Univ of California Press. This book was released on 1982-01-01 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Biology and Ecology of Nitrogen Fixation

Author : Takuji Ohyama
Publisher : BoD – Books on Demand
ISBN 13 : 9535112163
Total Pages : 286 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Advances in Biology and Ecology of Nitrogen Fixation by : Takuji Ohyama

Download or read book Advances in Biology and Ecology of Nitrogen Fixation written by Takuji Ohyama and published by BoD – Books on Demand. This book was released on 2014-01-29 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological nitrogen fixation has essential role in N cycle in global ecosystem. Several types of nitrogen fixing bacteria are recognized: the free-living bacteria in soil or water; symbiotic bacteria making root nodules in legumes or non-legumes; associative nitrogen fixing bacteria that resides outside the plant roots and provides fixed nitrogen to the plants; endophytic nitrogen fixing bacteria living in the roots, stems and leaves of plants. In this book there are 11 chapters related to biological nitrogen fixation, regulation of legume-rhizobium symbiosis, and agriculture and ecology of biological nitrogen fixation, including new models for autoregulation of nodulation in legumes, endophytic nitrogen fixation in sugarcane or forest trees, etc. Hopefully, this book will contribute to biological, ecological, and agricultural sciences.

Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations

Author : Claudine Elmerich
Publisher : Nitrogen Fixation: Origins, Applications, and Research Progress
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations by : Claudine Elmerich

Download or read book Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations written by Claudine Elmerich and published by Nitrogen Fixation: Origins, Applications, and Research Progress. This book was released on 2007 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: This self-contained volume covers fundamental and applied aspects of nitrogen-fixation research. The book describes milestones in the discovery of the associative and endophytic nitrogen-fixing bacteria found involved with cereal crops, forage grasses, and sugar cane. It provides a comprehensive overview of their phylogeny, physiology, and genetics as well as of the biology of their association with their host plants, including tools for in situ localization and population-dynamics analysis. Also included are chapters describing the functions required for a bacterium to be competent and competitive in the rhizosphere, and analysis of associations of cyanobacteria with fungi, diatoms, bryophytes, cycads, Azolla, and Gunnera.

Heterocyst Differentiation and H2 Production in N2-fixing Cyanobacteria

Author : Neissa M. Pinzon-Gamez
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)

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Book Synopsis Heterocyst Differentiation and H2 Production in N2-fixing Cyanobacteria by : Neissa M. Pinzon-Gamez

Download or read book Heterocyst Differentiation and H2 Production in N2-fixing Cyanobacteria written by Neissa M. Pinzon-Gamez and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hypertrophic Ecosystems

Author : J. Barica
Publisher : Springer Science & Business Media
ISBN 13 : 9400992033
Total Pages : 337 pages
Book Rating : 4.4/5 (9 download)

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Book Synopsis Hypertrophic Ecosystems by : J. Barica

Download or read book Hypertrophic Ecosystems written by J. Barica and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of convening an international workshop on hypertrophic ecosystems originated during the 20th S.I.L. Congress in Copenhagen. A group of about 30 delegates met there in an informal gathering to discuss the specific problems of lakes which have reached a noxious stage of eutrophication. This ad hoc group realized its own specific identity within the limnological community and suggested the organization of a specialized future meeting on hypertrophic ecosystems. After two years of preparatory work, the workshop was fmally held in Vaxjo, Sweden, between September 10 and 14, 1979, on the premises of the University campus. The Institute of Limnology, University of Lund (Professor Sven Bjork), undertook the task of host and organizer. The City ofVaxjo and the University of Lund co-sponsored the event, which was held under the auspices and patronage of the Societas Internationalis Limnologiae. The objective of the workshop was to seek better understanding of highly-eutrophic, disturbed and unstable aquatic ecosystems (lakes, reservoirs and ponds developing noxious algal and bacterial blooms, fluctuating in their water quality on a daily and seasonal scale, producing gases, off-flavor and toxic substances, experiencing periodic anoxia and massive fish kills, etc.), Le., systems requiring corrective measures and new concepts for their solution beyond those generally accepted for 'normal' eutrophic systems.

Nitrogen-fixing Cyanobacteria in a Marine Microbial Mat

Author : Lucas J. Stal
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Nitrogen-fixing Cyanobacteria in a Marine Microbial Mat by : Lucas J. Stal

Download or read book Nitrogen-fixing Cyanobacteria in a Marine Microbial Mat written by Lucas J. Stal and published by . This book was released on 1985 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bacterial Genomes

Author : F.J. de Bruijn
Publisher : Springer Science & Business Media
ISBN 13 : 1461563690
Total Pages : 786 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Bacterial Genomes by : F.J. de Bruijn

Download or read book Bacterial Genomes written by F.J. de Bruijn and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: A wide range of microbiologists, molecular biologists, and molecular evolutionary biologists will find this new volume of singular interest. It summarizes the present knowledge about the structure and stability of microbial genomes, and reviews the techniques used to analyze and fingerprint them. Maps of approximately thirty important microbes, along with articles on the construction and relevant features of the maps are included. The volume is not intended as a complete compendium of all information on microbial genomes, but rather focuses on approaches, methods and good examples of the analysis of small genomes.

Harmful Cyanobacteria

Author : Jef Huisman
Publisher : Springer Science & Business Media
ISBN 13 : 1402030223
Total Pages : 249 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Harmful Cyanobacteria by : Jef Huisman

Download or read book Harmful Cyanobacteria written by Jef Huisman and published by Springer Science & Business Media. This book was released on 2005-06-15 with total page 249 pages. Available in PDF, EPUB and Kindle. Book excerpt: This outstanding volume provides an up-to-date overview of the advances in our knowledge of harmful cyanobacteria. An essential reference for all scientists and environmental professionals interested in cyanobacterial ecology and water management.

Biology of the Nitrogen Cycle

Author : Hermann Bothe
Publisher : Elsevier
ISBN 13 : 0444531084
Total Pages : 451 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Biology of the Nitrogen Cycle by : Hermann Bothe

Download or read book Biology of the Nitrogen Cycle written by Hermann Bothe and published by Elsevier. This book was released on 2007 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Cyanobacterial Biology

Author : Prashant Kumar Singh
Publisher : Academic Press
ISBN 13 : 0128193115
Total Pages : 420 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Advances in Cyanobacterial Biology by : Prashant Kumar Singh

Download or read book Advances in Cyanobacterial Biology written by Prashant Kumar Singh and published by Academic Press. This book was released on 2020-03-04 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Cyanobacterial Biology presents the novel, practical, and theoretical aspects of cyanobacteria, providing a better understanding of basic and advanced biotechnological application in the field of sustainable agriculture. Chapters have been designed to deal with the different aspects of cyanobacteria including their role in the evolution of life, cyanobacterial diversity and classification, isolation, and characterization of cyanobacteria through biochemical and molecular approaches, phylogeny and biogeography of cyanobacteria, symbiosis, Cyanobacterial photosynthesis, morphological and physiological adaptation to abiotic stresses, stress-tolerant cyanobacterium, biological nitrogen fixation. Other topics include circadian rhythms, genetics and molecular biology of abiotic stress responses, application of cyanobacteria and cyanobacterial mats in wastewater treatments, use as a source of novel stress-responsive genes for development of stress tolerance and as a source of biofuels, industrial application, as biofertilizer, cyanobacterial blooms, use in Nano-technology and nanomedicines as well as potential applications. This book will be important for academics and researchers working in cyanobacteria, cyanobacterial environmental biology, cyanobacterial agriculture and cyanobacterial molecular biologists. Summarizes the various aspects of cyanobacterial research, from primary nitrogen fixation, to advanced nano-technology applications Addresses both practical and theoretical aspects of the cyanobacterial application Includes coverage of biochemical and molecular approaches for the identification, use and management of cyanobacteria

Cyanobacteria

Author : Naveen K. Sharma
Publisher : John Wiley & Sons
ISBN 13 : 1118769554
Total Pages : 497 pages
Book Rating : 4.1/5 (187 download)

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Book Synopsis Cyanobacteria by : Naveen K. Sharma

Download or read book Cyanobacteria written by Naveen K. Sharma and published by John Wiley & Sons. This book was released on 2013-11-22 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by leading experts in the field, Cyanobacteria: An Economic Perspective is a comprehensive edited volume covering all areas of an important field and its application to energy, medicine and agriculture. Issues related to environment, food and energy have presented serious challenge to the stability of nation-states. Increasing global population, dwindling agriculture and industrial production, and inequitable distribution of resources and technologies have further aggravated the problem. The burden placed by increasing population on environment and especially on agricultural productivity is phenomenal. To provide food and fuel to such a massive population, it becomes imperative to find new ways and means to increase the production giving due consideration to biosphere’s ability to regenerate resources and provide ecological services. Cyanobacteria are environment friendly resource for commercial production of active biochemicals, drugs and future energy (biodiesel, bioethanol and hydrogen). Topics on isolation, identification and classification of cyanobacteria are discussed, as well as further sections on: summarizing a range of useful products synthesized by cyanobacteria, ecological services provided by cyanobacteria including their harmful effect in water bodies and associated flora and fauna. Chapter on tools, techniques, and patents also focus on the economic importance of the group. This book also provides an insight for future perspectives in each particular field and an extensive bibliography. This book will be a highly useful resource for students, researchers and professionals in academics in the life sciences including microbiology and biotechnology.