publication . Article . 2002

the aerobic electron transport system of eikenella corrodens

Rubén D Jaramillo; Beatriz C Barraza; Alma Polo; Martín Sará; Martha Contreras; J Edgardo Escamilla;
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  • Published: 01 Oct 2002 Journal: Canadian Journal of Microbiology, volume 48, pages 895-902 (issn: 0008-4166, eissn: 1480-3275, Copyright policy)
  • Publisher: Canadian Science Publishing
Abstract
<jats:p>The respiratory system of the fastidious β-proteobacterium Eikenella corrodens grown with limited oxygen was studied. Membranes showed the highest oxidase activity with ascorbate plus N,N,N',N'-tetramethyl-p-phenyl enediamine (TMPD) or succinate and the lowest activity with NADH and formate. The presence of a bc<jats:sub>1</jats:sub>-type complex was suggested by the inhibition exerted by 2-heptyl-4-hydroxyquinoline-N-oxide (HOQNO), myxothiazol, and antimycin A on respiration with succinate and by the effect of the latter two inhibitors on the succinate-reduced difference spectra. Respiration with succinate or ascorbate&#x96;TMPD was abolished by low KCN...
Subjects
free text keywords: Immunology, Applied Microbiology and Biotechnology, Genetics, Molecular Biology, Microbiology, General Medicine, Formate, chemistry.chemical_compound, chemistry, Eikenella corrodens, biology.organism_classification, biology, Oxidase test, Biochemistry, Myxothiazol, Oxygen, chemistry.chemical_element, Electron transport chain, Antimycin A, Dithionite
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