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Information × Registration Number 0215U007102, 0113U002583 , R & D reports Title Ultrastructure of mitochondria and chloroplasts in the phase of vegetative growth of plants under long-term clinorotation. popup.stage_title Head Brykov Vasyl Oleksandrovych, Registration Date 29-01-2015 Organization M.G. Kholodny Institute of Botany NASU popup.description2 Were conducted 3 experiments (3 biological repeats) from pea seedlings growing in stationary conditions and at the slow horizontal clinorotation (2 rpm /min) under optimal and sub-optimal conditions of plant illumination. By transmission electron microscopy established that at sufficient level of plant illumination (180 µmol m-2 s-1) ultrastructure of mitochondria and chloroplasts was similar to that in stationary control. However, there was a significant reduction in the size of chloroplasts and a slight decrease in the grana stack thickness, which is evidence about changes in their functioning in microgravity. At the same time when a sub-optimal level of plant illumination (80 µmol m-2 s-1) was created more prominent changes in the ultrastructure of chloroplasts and increase in the variability of sizes and shapes of mitochondria were observed. These results suggest that maintenance of optimal light conditions for provide energy to the photosynthesis - an important factor for the cultivation of plants in microgravity. Product Description popup.authors Бриков Василь Олександрович Булавін Ілля Володимирович Клименко Олена Миколаївна Поліщук Олександр Васильович popup.nrat_date 2020-04-02 Close