structural and functional relationships in prokaryotes

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Structural And Functional Relationships In Prokaryotes

Author : Larry Barton
ISBN : 0387271252
Genre : Science
File Size : 61. 19 MB
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For several decades, bacteria have served as model systems to describe the life p- cesses of growth and metabolism. In addition, it is well recognized that prokaryotes have contributed greatly to the many advances in the areas of ecology, evolution, and biotechnology. This understanding of microorganisms is based on studies of members from both theBacteria andArchaea domains. With each issue of the various scienti?c publications, new characteristics of prokaryotic cells are being reported and it is - portant to place these insights in the context of the appropriate physiological processes. Structural and Functional Relationships in Prokaryotes describes the fundamental physiological processes for members of the Archaea and Bacteria domains. The - ganization of the book re?ects the emphasis that I have used in my 30 years of teaching a course of bacterial physiology. The philosophy used in the preparation of this book is to focus on the fundamental features of prokaryotic physiology and to use these features as the basis for comparative physiology. Even though diverse phenotypes have evolved from myriad genetic possibilities, these prokaryotes display considerable functional similarity and support the premise that there is a unity of physiology in the prokaryotes. The variations observed in the chemical structures and biochemical p- cesses are important in contributing to the persistence of microbial strains in a speci?c environment.

Prokaryotic Structure And Function

Author : Society for General Microbiology. Symposium
ISBN : 0521415705
Genre : Prokaryotes
File Size : 89. 55 MB
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Relations Between Structure And Function In The Prokaryotic Cell

Author : Roger Y. Stanier
ISBN : 0521219094
Genre : Science
File Size : 76. 62 MB
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The structure of the bacterial ribosome. Structure and function of the translation machinery. Structure-function relationships pf the gram-negative bacterial cell envelope. Structure and growth of the walls of gram-positive bacteria. Structure and immunostimulant properties of mycobacterial cell walls. Structure and function of bacterial plasma membranes. the purple membrane of halobacteria. Phospholipoproteins in enzyme excretion by bacteria. The reversion of bacterial protoplasts and L-forms. Structure and function of bacterial flagella. Leptospiral motility. Spore specific structures and their function. The gas vesicles of aquatic prokaryotes.

The Prokaryotes

Author : M.P. Starr
ISBN : 9783662131879
Genre : Science
File Size : 76. 45 MB
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The purpose ofthis brief Foreword is to make you, the reader, hungry for the scientific feast that follows. These two volumes on the prokary otes offer a truly unique scientific menu-a comprehensive assembly of articles, exhibiting the biochemical depth and remarkable physiological and morphological diversity of prokaryote life. The size of the volumes might initially discourage the unprepared mind from being attracted to the study of prokaryote life, for this landmark assemblage thoroughly documents the wealth of present knowledge. But in confronting the reader with the state of the art, the Handbook also defines where new work needs to be done on well-studied bacteria as well as on unusual or poorly studied organisms. There are basically two ways of doing research with microbes. A classical approach is first to define the phenomenon to be studied and then to select the organism accordingly. Another way is to choose a specific organism and go where it leads. The pursuit of an unusual microbe brings out the latent hunter in all of us. The intellectual chal lenges of the chase frequently test our ingenuity to the limit. Sometimes the quarry repeatedly escapes, but the final capture is indeed a wonder ful experience. For many of us, these simple rewards are sufficiently gratifying so that we have chosen to spend our scientific lives studying these unusual creatures.

Histidine Kinases In Signal Transduction

Author : Masayori Inouye
ISBN : 9780080534015
Genre : Science
File Size : 46. 68 MB
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Living cells are constantly sensing environmental changes, and their abilities to sense these changes and adapt to them are essential for their survival. In bacteria, histidine kinases are the major sensors for these environmental stresses, enabling cells to adapt to new growth conditions. Written by leading experts in the field, this book provides an up-to-date and comprehensive review on the structure and function of histidine kinases. It also provides extensive information on the physiological roles of histidine kinases in bacteria and eukaryotes. An an essential reference for cell biologists, microbiologists, molecular biologists, and biochemists interested in signal transduction. Experimental biologists and pharmacologists studying signal transduction systems in living organisms will also find it a valuable research tool. The first comprehensive book on the roles of histidine kinases in cells 23 in-depth chapters written by leading experts in the field Describes the most recent advances in the field of signal transduction

Transport Processes In Eukaryotic And Prokaryotic Organisms

Author : W.N. Konings
ISBN : 0080543219
Genre : Science
File Size : 23. 3 MB
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In recent years it has become evident that transport processes across membranes play a crucial role in many metabolic systems. The activities of these transport processes often determine the physiology of the organisms. This book presents a state of the art review on the analysis of a wide variety of transport systems from bacteria and eukaryotic cells. A selection has been made of those systems that have been studied at the molecular level with special emphasis paid to the energetic and other biophysical properties. The different classes of transport systems are presented in the following: primary transport, secondary transport, phosphotransferase systems, channels and porines and macromolecular transport. Within each class of transporters several systems are presented by the leading experts in the field, which has resulted in a very broad overview of transport processes in biological cells. In this way the differences in the mechanisms used for translocation become evident while on the other hand features common to the different transport systems are revealed.

Annual Plant Reviews Plant Polysaccharides

Author : Peter Ulvskov
ISBN : 1444391003
Genre : Science
File Size : 20. 57 MB
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Plant Polysaccharides, an exceptional new volume in Wiley-Blackwell’s successful Annual Plant Reviews series, covers the polysaccharides and proteins that form the fundamental architecture of the plant cell wall, and the genes that encode the cellular machinery that synthesizes them. The volume focuses on the evolution of the many families of genes whose products are required to make a particular kind of polysaccharide, bringing attention to the specific biochemical properties of the proteins to the level of kinds of sugar linkages they make. Beautifully illustrated in full colour throughout, this exceptional new volume provides cutting edge up-to-date information on such important topics as cell wall biology, composition and biosynthesis, glycosyltransferases, hydroxyproline-rich glycoproteins, enzymatic modification of plant cell wall polysaccharides, glycan engineering in transgenic plants, and polysaccharide nanobiotechnology. Drawing together some of the world’s leading experts in these areas, the editor, Peter Ulvskov, has provided a landmark volume that is essential reading for plant and crop scientists, biochemists, molecular biologists and geneticists. All libraries in universities and research establishments where plant sciences, agriculture, biological, biochemical and molecular sciences are studied and taught should have copies of this important volume.

Protein Structure Function Relationships In Foods

Author : Rickey Y. Yada
ISBN : 9781461526704
Genre : Technology & Engineering
File Size : 49. 74 MB
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Food proteins constitute a diverse and complex collection of biological macro molecules. Although contributing to the nutritional quality of the foods we con sume, proteins also act as integral components by virtue of their diverse functional properties. The expression of these functional properties during the preparation, processing and storage of foods is largely dictated by changes to the structure or structure-related properties of the proteins involved. Therefore, germane to the optimal use of existing and future food protein sources is a thorough understanding of the nature of the relationships between structure and function. It is the goal of this book to aid in better defining these relationships. Two distinct sections are apparent: firstly, those chapters which address struc ture-function relationships using a variety of food systems as examples to demonstrate the intricacies of this relationship, and secondly, those chapters which discuss techniques used to either examine structural parameters or aid in establishing quantitative relationships between protein structure and function. The editors would like to thank all contributors for their assistance, co-operation and, above all, their patience in putting this volume together, and the following companies/organizations for their financial support without which it would not have been the success it was: Ault Foods Limited, Best Foods Canada Limited, Natural Sciences and Engineering Research Council of Canada, Ontario Ministry of Agriculture and Food, Quest International Canada Inc., and University of Guelph. R.Y.Y. R.LJ.

Structure Function Relationship Of K Ion Channel Toxins

Author : Isabelle Huys
ISBN : 9058673537
Genre : Genetic disorders
File Size : 69. 95 MB
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"This is a Ph.D. dissertation. Many fundamental processes underlying nerve and muscle excitation, hormone secretion, learning and memory, cell proliferation, sensory transduction and regulation of blood pressure and osmotic balance, are attributed to a div"

The Prokaryotes Vol 4 Handbook On The Biology Of Bacteria Gale Thomson 2006

Author : Gale-Thomson Group
Genre : Science
File Size : 53. 4 MB
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Each of the first two editions of The Prokaryotes took a bold step. The first edition, published in 1981, set out to be an encyclopedic, synoptic account of the world of the prokaryotes—a collection of monographic descriptions of the genera of bacteria.The Archaea had not yet been formalized as a group. For the second edition in 1992, the editors made the decision to organize the chapters on the basis of the molecular phylogeny championed by Carl Woese, which increasingly provided a rational, evolutionary basis for the taxonomy of the prokaryotes. In addition, the archaea had by then been recognized as a phylogenetically separate and distinguishable group of the prokaryotes. The two volumes of the first edition had by then expanded to four.The third edition was arguably the boldest step of all.We decided that the material would only be presented electronically. The advantages were obvious and persuasive. There would be essentially unlimited space. There would be no restrictions on the use of color illustrations. Film and animated descriptions could be made available. The text would be hyperlinked to external sources. Publication of chapters would be seriati—the edition would no longer have to delay publication until the last tardy author had submitted his or her chapter. Updates and modifications could be made continuously. And, most attractively, a library could place its subscribed copy on its server and make it available easily and cheaply to all in its community. One hundred and seventy chapters have thus far been presented in 16 releases over a six-year period. The virtues and advantages of the online edition have been borne out. But we failed to predict the affection that many have for holding a bound, print version of a book in their hands. Thus, this print version of the third edition shall accompany the online version. We are now four years into the 21st century. Indulge us then while we comment on the challenges, problems and opportunities for microbiology that confront us. Moselio Schaechter has referred to the present era of microbiology as its third golden age—the era of “integrative microbiology.” Essentially all microbiologists now speak a common language. So that the boundaries that previously separated subdisciplines from each other have faded: physiology has become indistinguishable from pathogenesis; ecologists and molecular geneticists speak to each other; biochemistry is spoken by all; and—mirabile dictu!—molecular biologists are collaborating with taxonomists. But before these molecular dissections of complex processes can be effective there must be a clear view of the organism being studied. And it is our goal that these chapters in The Prokaryotes provide that opportunity. There is also yet a larger issue. Microbiology is now confronted with the need to understand increasingly complex processes. And the modus operandi that has served us so successfully for 150 years—that of the pure culture studied under standard laboratory conditions—is inadequate. We are now challenged to solve problems of multimembered populations interacting with each other and with their environment under constantly variable conditions. Carl Woese has pointed out a useful and important distinction between empirical, methodological reductionism and fundamentalist reductionism. The former has served us well; the latter stands in the way of our further understanding of complex, interacting systems. But no matter what kind of synoptic systems analysis emerges as our way of understanding host–parasite relations, ecology, or multicellular behavior, the understanding of the organism as such is sine qua non. And in that context, we are pleased to present to you the third edition of The Prokaryotes. Martin Dworkin Editor-in-chief

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