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The key role played by iron, as well as other transition metals, in microbial metabolism is investigated in this volume. Topics covered include: iron chelation and siderophores; receptor-mediated bacterial iron transport; and the nitogenases.
Transport of molecules across the cell membrane is a fundamental process of all living organisms. It is essential for understanding growth, development, nutrition as well as uptake and excretion of exogenous or synthesized molecules. Microbes respresent general and basic functional systems where many transport processes have been studied on a molecular basis. Knowledge of the microbial transport processes will provide new perspectives to treatments by inhibitors, drugs, antibiotics, vitamins, growth promotion compounds, activators and toxic compunds of various kinds.
Presents the latest advances in the study of the intracellular fate and transport of metal ions in fungi, emphasizing the mechanisms that regulate cellular concentration. The book explains the expanding relationship between molecular genetics and inorganic biochemistry.
Comprises 17 papers exploring the role of transition metals in a variety of metabolic processes, from simple interactions where the protein matrix does little more than bind an inorganic ion, to systems in which the binding site of the protein modifies the metals properties considerably, to the very complex multimetallic systems which may function as part of a supramolecular assembly. Intended as a reference for students and industry professionals, especially those working in biotechnology. Annotation copyrighted by Book News, Inc., Portland, OR
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In response to low iron availability in the environment most microorganisms synthesize iron chelators, called siderophores. Bacteria and fungi produce a broad range of structurally diverse siderophores, all of which show a very high affinity for ferric ions. This book presents an up-to-date overview of the chemistry, biology and biotechnology of these iron chelators. Coverage ranges from an introductory chapter to siderotyping to applications in human and plant health.
Cholesterol is essential for normal cellular function. It is found in all cells of the body and is a major constituent of cell membranes. In addition, certain specialized tissues use cholesterol as the basic substrate for the synthesis of more complicated sterols such as bile acids and the steroid hormones. Like most lipids cholesterol has a very low solubility in water. Therefore, in order for these molecules to be transported be tween different organs of the body a series of lipid carriers known as lipoproteins has evolved. Over the last several years epidemiological evidence has accumulated suggest ing a strong relationship between the risk of atherosclerosis and high plasma concen tratio...
Presents the latest advances in the study of the intracellular fate and transport of metal ions in fungi, emphasizing the mechanisms that regulate cellular concentration. The book explains the expanding relationship between molecular genetics and inorganic biochemistry.
The results of a NATO Advanced Study Institute (ASI) entitled "Coordination Chemistry Environments in Iron-Containing Proteins and Enzymes - Including Smaller Molecules and Model Systems" are summarized in this book. The ASI was held in the Province of Alberta, Canada, from August 23 to September 4, 1981. The first half of the conference was held on the campus of the University of Alberta, Edmonton, and the second half at the Overlander Lodge, Hinton. Two other conferences had the greatest impact upon the planning for this ASI. One was a NATO ASI held in Tomar, Portugal in September of 1979, entitled "Metal Ions in Biology". Among the organizers for that conference were Allen Hill and Antonio Xavier; we are happy to acknowledge their beneficial influence on our subsequent conference. The other most influential conference was one organized by Ralph Wilkins and Dennis Darnell entitled "Methods for Determining Metal Ion Environments in Proteins" which was held in Las Cruces, New Mexico, U.S.A., January 10-12, 1979. The Las Cruces conference invited lectures were published as Volume 2 of "Advances in Inorganic Biochemistry", G. Eichhorn and L. Marzilli, editors.