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GMP-stimulation of the cyanide-insensitive mitochondrial respiration in heat-shocked conidia ofNeurospora crassa |
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| Authors: | M. Michéa-Hamzehpour G. Turian |
| Affiliation: | (1) Laboratoire de Microbiologie générale, Université de Genève, 3. Place de l'Université, CH-1211 Genève 4, (Switzerland);(2) Present address: Département de Microbiologie, CMU, 9 ave. Champel, CH-1211 Geneva, Switzerland |
| Abstract: | Summary In mitochondria of heat-shocked conidia ofNeurospora exogenous NADH and succinate were oxidized mainly via the alternative, hydroxamate-sensitive pathway (70%) and only 30% via the cytochromic, cyanide-sensitive pathway which was predominant in untreated conidia; the alternative oxidase pathway was markedly stimulated by guanosine 5 -monophosphate (GMP).We are grateful to Mrs A. Cattaneo for her skillful technical assistance. |
| Keywords: | Neurospora crassa conidia heat-shock mitochondria cyanide-insensitive respiration guanosine 5 |
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