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stresses lead to a series of morphological, physiological, biochemical, and molecular changes that adversely affect plant growth and productivity (Wang et al. 2001). To ensure their integrity and survival, plants have evolved a number of defense strategies to cope with various abiotic stresses. One such approach adopted by plants to counteract osmotic(More)
Interactions among the functionally specialized organs of higher plants ensure that the plant body develops and functions properly in response to changing environmental conditions. When an incision or grafting procedure interrupts the original organ or tissue connection, cell division is induced and tissue reunion occurs to restore physiological(More)
Totipotency is the ability of a cell to regenerate the entire organism, even after previous differentiation as a specific cell. When totipotency is coupled with active cell division, it was presumed that cell division is essential for this expression. Here, using the stress-induction system of somatic embryos in carrots, we show that cell division is not(More)
Euglena gracilis, a unicellular phytoflagellate within Euglenida, has attracted much attention as a potential feedstock for renewable energy production. In outdoor open-pond cultivation for biofuel production, excess direct sunlight can inhibit photosynthesis in this alga and decrease its productivity. Carotenoids play important roles in light harvesting(More)
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