Publications by authors named "E Ratajczak"

Background: Seeds of woody plant species, such as those in the like Norway maple ( L.) and sycamore ( L.), exhibit unique physiological traits and responses to environmental stress.

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The aim of the study was to investigate changes in proline metabolism in seedlings of tree species during drought stress. One month old seedlings were exposed to moisture conditions at various levels (irrigation at 100, 75, 50 and 25% of field capacity), and then the material (leaves and roots) was collected three times at 10-day intervals. The activity of enzymes involved in proline metabolism was closely related to drought severity; however, proline content was not directly impacted.

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Background: Conventional methods to measure oxygen consumption, such as Clark-type electrodes, have limitations such as requiring a large amount of starting material. Moreover, commercially available kits for high-throughput methods are usually optimized for animal cells and mitochondria. Here, we present a novel method to measure the oxygen consumption rate using a high-throughput assay in isolated mitochondria of European beech seeds.

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