Physiological Limitations And The Genetic Improvement Of Symbiotic Nitrogen Fixation
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Physiological Limitations And The Genetic Improvement Of Symbiotic Nitrogen Fixation
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Author : F. O'Gara
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Physiological Limitations And The Genetic Improvement Of Symbiotic Nitrogen Fixation written by F. O'Gara 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.
Rhizobium species involved in root nodule formation on legume plants are one of the best known groups of micro organisms. The Rhizobium legume symbiosis continues to be of strategic importance particularly in the context of food production. As the world population grows, it is also neces sary to have new developments taking place in crop improve ment. The development and application of new technologies in biological sciences over the past number of years have made the entire area of plant-microbial interaction an exciting and challenging research area to be involved in. In view of the importance of symbiotic nitrogen fixation, it is not surpris ing that it still represents one of the priority areas for commercial development in agricultural biotechnology. Since this symbiosis involves an association between procaryotic and eucaryotic partners, it requires of necessity a co-ordinated and interdisciplinary approach. It was in this spirit that this international conference was organised. The scientific programme was designed to focus on physio logical limitations affecting symbiotic nitrogen fixation and the potential for overcoming such limitations using genetic technologies. Participants were drawn from contractants of the EEC DGVI "Energy in Agriculture" nitrogen fixation prog ramme. The scientific programme was also supplemented with invited scientists from Europe and North America to provide appropriate expertise on the various conference topics.
Genetic Engineering For Nitrogen Fixation
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Author : Alexander Hollaender
language : en
Publisher: Springer
Release Date : 1977-09
Genetic Engineering For Nitrogen Fixation written by Alexander Hollaender and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977-09 with Science categories.
Overview of nitrogen fixation; Plasmids as vectors for gene cloning; The nitrogen fixation cistrons of Klebsiella pneumoniae; Transformation of nitrogen-fixation genes in Azotobacter; Genetic hybridization of root-nodule bacteria (Rhizobium); Genetic mapping of Rhizobium meliloti using RP4; Nitrogen fixation (NIF) regulatory mutants of Klebsiella: determination of the energy cost of N2 fixation in vivo; Cloning nitrogen fixing genes from Klebsiella pneumoniae in vitro and the isolation of NIF promoter mutants affecting glutamine synthetase regulation; The development of a molecular cloning system in higher plants; The ti-plasmid of Agrobacterium tumefaciens, a natural vector for the introduction of NIF genes in plants?; The incorporation and expression of agrobacterium plasmid genes in crown gall tumors; Engineered plant cell or fungal association with bacteria that fix nitrogen; Uptake of the nitrogen fixing blue-green alga Gloeocapsa by plant protoplasts; The azolla-anabaena azollae symbiosis; Nitrogen fixation by Azolla in rice fields; Lectins as determinants of specificity in legume-rhizobium symbiosis; Plant protoplast fusion and hybridization; Biochemistry of nitrogenase; Energy coupling efficiency of symbiotic nitrogen fixation; Approaches for increasing phorosynthetic efficiency efficiency; Rate-limiting steps in biological photoproductivity; Photosynthesis and symbiotic nitrogen fixation in Phaseolus vulgaris L.; Use of RP4 plasmids carrying bacteriophage Mu insertions in nitrogen fixing bacteria. Genetic control of symbiotic nitrogen fixation in soybean; Glutamine synthetase control of nitrogen fixation in Rhizobia; Introduction of potential sex factors into Rhizobium japonicum; Antibiotic resistance in Rhizobium japonicum: implications for safety and interpretation of NIF transfer from Rhizobium; Limitations to field application of Rhizobium inoculants; Fast reaction kinetics of ferredoxin; Transient intermediate species in the oxidation of hydrazine; Recombinant DNA guidelines for nitrogen fixation in plant sciences - roundtable summary; Potential associated nitrogen fixing systems - roundtable; Physiological studies of Spirillum lipoferum; N2 fixation associated with non-leguminous; Taxonomic studies of Spirillum lipoferum; Use of 15N-enriched soil to study N2 fixation in grasses; Panel on public impact issues summarized; Environmental impact; Genetic engineering of nitrogen fixations (NIF); Legal aspects of recombinant DNA research; Agricultural productivity and biological nitrogen fixation, an international view.
Limitations And Potentials For Biological Nitrogen Fixation In The Tropics
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Author : J. Dobereiner
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Limitations And Potentials For Biological Nitrogen Fixation In The Tropics written by J. Dobereiner 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.
The 15th Latin American Symposium ''laS held in Brasilia (FD) on J1UY 18-22, 1977, on a topic of great interest for agriculture, especially in the tropics. Many new developments have taken place in the field of research in N2 fixation during the last few years. They "Tere made possible by the improved methods of measuring of nitrogenase activity, progress in genetic engineering fields and the increased interest in taking advantage of natural sources for biological nitrogen fixation. The approach used in this Symposium together with the one held four months earlier in Brookhaven on ;'Genetic Engineering for Nitrogen Fixation" gives an interesting picture of the present status of nitrogen fixation from two diverse approaches. This is my 20th year visiting Latin i'-J11.erica. I am most impressed with the tremendous development which has taken place during these years in Latin American science. I want to congrat ulate our Brazilian colleagues for arranging this excellent and timely symposium and its excellent organization. These symposia are a cooperative effort between our Latin colleagues and scientists allover the world. They are made possible by excellent local support and support by a number of international agencies and several groups in the United States. Earlier symposia in this series are listed on pp. viii-x. Alexander Hollaender vii viii PREFACE I. International Symposium on Tissue Transplantation--Santiago, Vifia del Mar, and Valparaiso, Chile. Published in 1962 by the University of Chile Press, Santiago; edited by A. P. Cristoffanini and Gustavo Hoecker; 269 pp.
Plant Respiration
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Author : Hans Lambers
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-03-30
Plant Respiration written by Hans Lambers 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 2006-03-30 with Science categories.
Respiration in plants, as in all living organisms, is essential to provide metabolic energy and carbon skeletons for growth and maintenance. As such, respiration is an essential component of a plant’s carbon budget. Depending on species and environmental conditions, it consumes 25-75% of all the carbohydrates produced in photosynthesis – even more at extremely slow growth rates. Respiration in plants can also proceed in a manner that produces neither metabolic energy nor carbon skeletons, but heat. This type of respiration involves the cyanide-resistant, alternative oxidase; it is unique to plants, and resides in the mitochondria. The activity of this alternative pathway can be measured based on a difference in fractionation of oxygen isotopes between the cytochrome and the alternative oxidase. Heat production is important in some flowers to attract pollinators; however, the alternative oxidase also plays a major role in leaves and roots of most plants. A common thread throughout this volume is to link respiration, including alternative oxidase activity, to plant functioning in different environments.
Plant Respiration
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Author : Hans Lambers
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-07-05
Plant Respiration written by Hans Lambers 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 2005-07-05 with Science categories.
Respiration in plants, as in all living organisms, is essential to provide metabolic energy and carbon skeletons for growth and maintenance. As such, respiration is an essential component of a plant’s carbon budget. Depending on species and environmental conditions, it consumes 25-75% of all the carbohydrates produced in photosynthesis – even more at extremely slow growth rates. Respiration in plants can also proceed in a manner that produces neither metabolic energy nor carbon skeletons, but heat. This type of respiration involves the cyanide-resistant, alternative oxidase; it is unique to plants, and resides in the mitochondria. The activity of this alternative pathway can be measured based on a difference in fractionation of oxygen isotopes between the cytochrome and the alternative oxidase. Heat production is important in some flowers to attract pollinators; however, the alternative oxidase also plays a major role in leaves and roots of most plants. A common thread throughout this volume is to link respiration, including alternative oxidase activity, to plant functioning in different environments.
Symbiotic Nitrogen Fixation
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Author : P. Graham
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Symbiotic Nitrogen Fixation written by P. Graham 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.
During the past three decades there has been a large amount of research on biological nitrogen fixation, in part stimulated by increasing world prices of nitrogen-containing fertilizers and environmental concerns. In the last several years, research on plant--microbe interactions, and symbiotic and asymbiotic nitrogen fixation has become truly interdisciplinary in nature, stimulated to some degree by the use of modern genetic techniques. These methodologies have allowed us to make detailed analyses of plant and bacterial genes involved in symbiotic processes and to follow the growth and persistence of the root-nodule bacteria and free-living nitrogen-fixing bacteria in soils. Through the efforts of a large number of researchers we now have a better understanding of the ecology of rhizobia, environmental parameters affecting the infection and nodulation process, the nature of specificity, the biochemistry of host plants and microsymbionts, and chemical signalling between symbiotic partners. This volume gives a summary of current research efforts and knowledge in the field of biological nitrogen fixation. Since the research field is diverse in nature, this book presents a collection of papers in the major research area of physiology and metabolism, genetics, evolution, taxonomy, ecology, and international programs.
Molecular Biology Of Symbiotic Nitrogen Fixation
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Author : Peter M. Gresshoff
language : en
Publisher: CRC Press
Release Date : 2018-01-18
Molecular Biology Of Symbiotic Nitrogen Fixation written by Peter M. Gresshoff and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-18 with Medical categories.
The core of the text is aimed at the research worker in the field of nitrogen fixation, but, despite its specialisation, does not lose the emphasis on teaching, both as a direct reference book and as a backbone for a graduate course on the subject.The closing part of the book includes a subject index and a glossary of terms. The latter was included not for the expert, for whom many of the definitions will be too general, but for the newcomer; the author hopes that the quick survey of key terms will help in the reading of this book.
The Prokaryotes
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Author : Edward F. DeLong
language : en
Publisher: Springer
Release Date : 2014-10-13
The Prokaryotes written by Edward F. DeLong and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-13 with Science categories.
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
Phytomorphology
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Author :
language : en
Publisher:
Release Date : 1988
Phytomorphology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Botany categories.
Bibliographic Guide To Conference Publications
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Author : New York Public Library. Research Libraries
language : en
Publisher:
Release Date : 1989
Bibliographic Guide To Conference Publications written by New York Public Library. Research Libraries and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Congresses and conventions categories.
Vols. for 1975- include publications cataloged by the Research Libraries of the New York Public Library with additional entries from the Library of Congress MARC tapes.