Bioenergetics of plant cells in microgravity
Heading:
| 1Brykov, VO 1M.G. Kholodny Institute of Botany of the National Academy of Sciences of Ukraine, Kyiv, Ukraine |
| Kosm. nauka tehnol. 2015, 21 ;(4):84–93 |
| https://doi.org/10.15407/knit2015.04.084 |
| Publication Language: Ukrainian |
Abstract: This paper summarizes the data on the ultrastructure and functioning of energy organelles in cells of autotrophic and heterotrophic tissues of higher plants that grow under the influence of clinorotation. It is shown that due to the adaptive reactions in mitochondria the energy homeostasis is retained in heterotrophic root cells, and its support under microgravity conditions will depend on the flow of substrates to the oxidative phosphorylation. It was established that the level of alterations in chloroplast ultrastructure under suboptimal light conditions was pronounced to a greater extent than under optimal light conditions. Based on the results, we suggest that the microgravity increases the negative effects of suboptimal lighting conditions in the primary metabolism of plants |
| Keywords: alternative oxidase, chloroplasts, clinorotation, mitochondria, respiration, ultrastructure |
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