Title Oxygen-dependent respiration and proteon extrusion in wolinella succinogenes
Author Yeong-Hwan Han
Address Department of Biology, Donggul University
Bibliography Korean Journal of Microbiology, 30(6),432-437, 1992
DOI
Key Words microaerophilic, Wolinella succinogenes, respiration, electron transport, proton translocation
Abstract When H_2 was provided as the electron donor, optimum O_2 levels for growth of Wolinella succinogenes ATCC 29543 were 2% and 8% on brucella agar and in brucella broth, respectively. No growth occurred under 21% O_2, and scant or no growth occurred under anaerobic condition. O_2 uptake was inhibited by cyanide and 2-heptyl-4-hydroxyquinoline N-oxide. Protons were translocated out of the cell when oxygen was used as the terminal electron accetor. The H^+/O ratio with H_2 and formate as an electron donor were 1,97 and 1.49, respectively. Proton translocation was inhibited by the protonophore carbonylcyanide m-chlorophenylhydrazone.
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