Silicon and Siliceous Structures in Biological Systems (eBook, PDF)

Redaktion: Simpson, T. L.; Volcani, B. E.

• Format: PDF

Produktbeschreibung

The publication of this book was undertaken with two purposes in view: to bring together informatian on the deposition by living organ isms of unique skeletal structures composed of amorphous silica, and to review recent data on the involvement of silicon in physiological and biochemical processes. Although widely varying viewpoints are represented, all the contributors are very interested in the events in volved in the formatian of siliceaus structures and their function. Data presented deal with these questions in a variety of plant and animal systems, and at levels ranging from the evolutionary to the biochemical and ultrastructural. Innovations in electron microscopy and, indeed, the advent of electron microscopy itself, have stimulated many ultra structural studies of silica deposition, work which has deepened and widened the interest in those organisms which routinely produce "glassy skeletons. " The question of how silicon participates in biological systems in volves a spectrum of fields that indudes the chemistry of silicon per se, its biogeochemistry, biochemistry, ecology, and so forth. In this book, however, attention is focused up on the biological aspects of silicon and siliceous structures, with emphasis on the evolutian, phylogeny, morphology, and distribution of siliceaus structures, on the cellular as peets of silica deposition, and on the physiological and biochemical roles of silicon. This volume represents the first compilatian of such data. Because such a variety of subjects and fields are covered, the reader will have to glean for himself some of the comparative aspects of the data.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 587
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461259442
• Artikelnr.: 44179453

Inhaltsangabe

Section I. Physiological Aspects of Silicon.- 2. Silicon in the Cellular Metabolism of Diatoms.- 3. Germanium-Silicon Interactions in Biological Systems.- 4. Silicon in Bone Formation.- Section II. Siliceous Structures: Distribution, Deposition, Ultrastructure, Morphogenesis.- Algal Groups.- 5. Morphology and Phyletic Relationships of the Silicified Algae and the Archetypal Diatom-Monophyly or Polyphyly.- 6. The Siliceous Components of the Diatom Cell Wall and Their Morphological Variation.- 7. Cell Wall Formation in Diatoms: Morphogenesis and Biochemistry.- 8. Ultrastructure and Deposition of Silica in the Chrysophyceae.- Protozoa.- 9. Distribution and Forms of Siliceous Structures Among Protozoa.- 10. Ultrastructure and Deposition of Silica in Rhizopod Amebae.- 11. Ultrastructure and Deposition of Silica in Loricate Choanoflagellates.- 12. Evolution and Diversity of Form in Radiolaria.- 13. Radiolarian Fine Structure and Silica Deposition.- Higher Plants.- 14. Ultrastructure of Silica Deposits in Higher Plants.- 15. Silica in Shoots of Higher Plants.- Sponges.- 16. Form and Distribution of Silica in Sponges.- 17. Ultrastructure and Deposition of Silica in Sponges.- 18. Effects of Germanium on Silica Deposition in Sponges.