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2 produkter
2 produkter
Häftad, Engelska, 1992
548 kr
Skickas inom 10-15 vardagar
Aims to provide a clear and manageable introduction to the important aspects of solute transport in plants in a way that is accessible to advanced undergraduates and immediate postgraduates. The authors consider the elements of transport at various levels of organization within the plant: intracellular and intercellular, as well as at the level of the whole plant. The book describes what is known of the mechanisms by which solutes cross membrane barriers into and within plant cells, together with the physical principles involved. Specific chapters cover the question of whether movement occurs in the apoplast or symplast, long-distance transport in phloem and xylem, and ion uptake by roots. The book is written for plant physiologists and biochemists, plant biologists and those studying plant breeding and agriculture.
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The study of solute transport in plants dates back to the beginnings of experimental plant physiology, but has its origins in the much earlier interests of humankind in agriculture. Given this lineage, it is not surprising that there have been many books on the transport of solutes in plants; texts on the closely related subject of mineral nutrition also commonly address the topic of ion transport. Why another book? Well, physiologists continue to make new discoveries. Particularly pertinent is the characterisation of enzymes that are able to transport protons across membranes during the hydrolysis of energy-rich bonds. These enzymes, which include the H + -A TPases, are now known to be crucial for solute transport in plants and we have given them due emphasis. From an academic point of view, the transport systems in plants are now appreciated as worthy of study in their own right-not just as an extension of those systems already much more widely investigated in animals. From a wider perspective, understanding solute transport in plants is fundamental to understanding plants and the extent to which they can be manipulated for agricultural purposes. As physiologists interested in the mechanisms of transport, we first set out in this book to examine the solutes in plants and where are they located. Our next consideration was to provide the tools by which solute movement can be understood: a vital part of this was to describe membranes and those enzymes catalysing transport.