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Respiratory and photorespiratory decarboxylations in C3 plants. Responses to internal and external factors
В наличии
Местонахождение: Алматы | Состояние экземпляра: новый |
Бумажная
версия
версия
Автор: Hiie Ivanova
ISBN: 9786202051255
Год издания: 2017
Формат книги: 60×90/16 (145×215 мм)
Количество страниц: 76
Издательство: LAP LAMBERT Academic Publishing
Цена: 21841 тг
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Аннотация: Simultaneously with CO2 fixation in plant leaves during photosynthesis, respiration processes release part of the fixed CO2 in decarboxylation reactions. In this work the significance of internal and environmental factors in regulatory mechanisms determining integration of photosynthetic and respiratory processes was studied. It was found thet all primary and stored photosynthates serve as decarboxylation substrates, however, differences in utilization of soluble end products (mainly sucrose) and starch were observed. In photosynthesizing leaves starch is not decomposed – it is used only under conditions not enabling photosynthesis (in the dark, at high temperature, in CO2-free atmosphere). In these circumstances, the amount of substrate for respiration determines, at least partly, the rate of respiratory decarboxylation; in other cases, the redox state inside the cell is more significant.
Ключевые слова: Photorespiration, photosynthesis, respiration, C3 species, intracellular decarboxylation, starch synthesis, starch degradation