منابع مشابه
Sensing sugar and saving water
Water is the major factor limiting the growth and development of many land plants, and stomata, composed of two guard cells, are the chief gates controlling plants’ water loss. Many environmental and physiological stimuli control stomatal opening, but they all do so through the regulation of guard-cell osmolarity. Increased guard-cell osmolarity leads to the opening of the stomata and decreased...
متن کاملSugar sensing and signaling.
Plants, restricted by their environment, need to integrate a wide variety of stimuli with their metabolic activity, growth and development. Sugars, generated by photosynthetic carbon fixation, are central in coordinating metabolic fluxes in response to the changing environment and in providing cells and tissues with the necessary energy for continued growth and survival. A complex network of me...
متن کاملSugar Sensing and Sugar-Mediated Signal I ransduction in Plants
Information concerning the sugar status of plant cells is of great importance during a11 stages of the plant life cycle. The availability of or lack of sugars triggers many metabolic and developmental responses, and it is not surprising, therefore, that sugars profoundly affect the expression of a large number of genes (for review, see Koch, 1996; Graham, 1996). Sugar sensing occurs at the leve...
متن کاملSugar Sensing and Sugar-Mediated Signal Transduction in Plants.
Information concerning the sugar status of plant cells is of great importance during a11 stages of the plant life cycle. The availability of or lack of sugars triggers many metabolic and developmental responses, and it is not surprising, therefore, that sugars profoundly affect the expression of a large number of genes (for review, see Koch, 1996; Graham, 1996). Sugar sensing occurs at the leve...
متن کاملCoupled Sensing of Hunger and Thirst Signals Balances Sugar and Water Consumption
Hunger and thirst are ancient homeostatic drives for food and water consumption. Although molecular and neural mechanisms underlying these drives are currently being uncovered, less is known about how hunger and thirst interact. Here, we use molecular genetic, behavioral, and anatomical studies in Drosophila to identify four neurons that modulate food and water consumption. Activation of these ...
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ژورنال
عنوان ژورنال: Procedia Environmental Sciences
سال: 2015
ISSN: 1878-0296
DOI: 10.1016/j.proenv.2015.07.123