Cyanide-sensitive and cyanide-resistant respiration of dark-grown Euglena gracilis

作者: Silvia Devars , M.Eugenia Torres-Márquez , Diego González-Halphen , Aída Uribe , Rafael Moreno-Sánchez

DOI: 10.1016/0168-9452(92)90006-8

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摘要: Abstract The rate of endogenous respiration Euglena gracilis Klebs grown in the dark presence different carbon sources, both late logarithmic and early stationary phases, was studied. Different sensitivity to cyanide observed for each growth condition. However no significant difference ratio cytochrome o aa 3 found. Inhibition constants tetramethylphenylenediamine-stimulated were also a similar magnitude. isolated mitochondria inhibited by extent depending on oxidizable substrate used. It is suggested that cells related cytoplasmic availability generated particular conditions.

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