title: [Ultrastructure and metabolic activity of pea mitochondria under clinorotation].
abstract: Experimental data on the mitochondrial ultrastructure and tissue respiration in root apex as well as metabolic activity of the organelles isolated from pea seedling roots after 5-day of clinorotation are presented. It was shown that mitochondrial condensation in the distal elongation zone correlated with an increased rate of oxygen uptake on 7%. We also observed increase in rate of malate oxidation and respiratory control ratio increased simultaneously with a decreased in efficiency of oxidative phosphorylation. Such character of mitochondrial rearrangements in simulated microgravity is assumed to be a consequence of adaptation to these conditions.
authors.forename: V A
authors.initials: VA
authors.lastname: Brykov
authors.forename: I P
authors.initials: IP
authors.lastname: Generozova
authors.forename: A G
authors.initials: AG
authors.lastname: Shugaev
mesh_terms: D000255:Adenosine Triphosphate / Q000096:biosynthesis; D019069:Cell Respiration / Q000502:physiology; D008293:Malates / Q000378:metabolism; D008854:Microscopy, Electron; D008928:Mitochondria / Q000378:metabolism* / Q000648:ultrastructure; D010085:Oxidative Phosphorylation; D018532:Pisum sativum / Q000378:metabolism* / Q000648:ultrastructure; D059828:Plant Cells / Q000378:metabolism*; D018517:Plant Roots / Q000378:metabolism* / Q000648:ultrastructure; D011048:Polarography; D012399:Rotation; D036226:Seedlings / Q000378:metabolism* / Q000648:ultrastructure; D018474:Weightlessness Simulation
chemical_list: D008293:Malates; C030298:malic acid; D000255:Adenosine Triphosphate