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Respiratory rate, protonmotive force and charge/O ratio were measured under two different kinds of steady state in non-phosphorylating yeast mitochondria: (i) when the electron flux was modulated by a variable limitation in electron supply or (ii) when oxygen consumption was decreased by respiratory chain inhibitor titration. We showed that the relationships between either delta p or charge/O ratio and respiratory rate are different under the two kinds of steady state, indicating different degrees of intrinsic uncoupling in respiratory chain. Moreover, we observed a non-ohmic dependence between H(+)-conductance and delta p. We concluded that the high rate of static-head respiration in yeast mitochondria was determined both by the non-ohmic proton conductance of the inner membrane and the saturation of the redox proton pump slipping.
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
April 1984,
Biochemistry,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
February 1986,
Biochemistry,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
April 2004,
The Biochemical journal,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
October 1988,
The Biochemical journal,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
August 1990,
The Journal of biological chemistry,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
January 2004,
Zhurnal evoliutsionnoi biokhimii i fiziologii,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
August 2005,
FEBS letters,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
May 2006,
The Biochemical journal,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
August 2009,
Journal of bioenergetics and biomembranes,
R Ouhabi, and
M Rigoulet, and
J L Lavie, and
B Guérin
May 1968,
Plant physiology,
