The Excretory Function of Higher Plants, Victoria V Roshchina; Valentina D. Roshchina
Автор: Victoria V. Roshchina Название: Model Systems to Study the Excretory Function of Higher Plants ISBN: 9401787859 ISBN-13(EAN): 9789401787857 Издательство: Springer Рейтинг: Цена: 19564.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: The secretory activity of plants is a manifestation of the fundamental property of all living organisms: the ability to exchange substances and energy with the environment. This book summarizes today’s knowledge of all such secretory activities of higher plants. It equally considers the cellular aspects, intratissular and external secretion, gas excretion and the excretion of substances under extreme conditions as well as the biological effects of plant excreta. The first edition of the book was published in Russian in Moscow in 1989 (Nauka Publishing House), then the English larger variant – in Heidelberg-Berlin 1993 (Springer-Verlag).
Автор: Arthur C. Gibson Название: Structure-Function Relations of Warm Desert Plants ISBN: 3642646387 ISBN-13(EAN): 9783642646386 Издательство: Springer Рейтинг: Цена: 16979.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: For centuries biologists have been extremely interested in the structure of desert plants as examples of natural selection to harsh environmental conditions.
Описание: Early approaches towards an understanding of transport at the tonoplast of higher plant cells were based on the kinetics of radio-isotope uptake (Torii and Laties. 1966) and exchange (Pitman, 1963). A variety of other methods became available in due course (reviewed by Clarkson and Luttge, 1984). But even with the most modern developments, the function of. the tonoplast remained in the dark. On the basis of Hitchell's chemiosmotic $heory (Hitchell, 1967), mechanisms of membrane-bound H -translocating ATPases and H -solute co-transport were conceived for the plasmalemma of fungi and plants, based on experiments with intact tissues, cells or protoplasts . With the onset of the era of membrane fractionation it seemed obvious that plasmalemma and tonoplast vlould cause the greatest problems due to the apparent lack of intrinsic markers. Again the situation for the plasmalemma appeared to be favorable; the periodic-phosphotungstic-acid reagent was considered as a specific stain. There was also the opportunity to bind externally applied markers to the plasmalemma prior to cell homogenization. Vacuoles were initially considered as compartments for intracellular excretion or at best as storage compart- ments, but were later understood to have important dynamic functions in cell physiology as a lytic compart- ment comparable to animal lysosomes (Hatile, 1966). The dynamics of molecular functions of the tonoplast itself remained obscure, however, with one exception. Hotivated by the search for a better understanding of latex production by the rubber tree Hevea brasiliensis Hull. -Arg.
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