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Tissue-specificity of the regulation of ATP hydrolysis by isolated plant-mitochondria
Umeå University, Faculty of Science and Technology, Department of Plant Physiology. Umeå University, Faculty of Science and Technology, Umeå Plant Science Centre (UPSC).ORCID iD: 0000-0001-5900-7395
1993 (English)In: FEBS Letters, ISSN 0014-5793, E-ISSN 1873-3468, Vol. 318, no 2, 113-117 p.Article in journal (Refereed) Published
Abstract [en]

Pea leaf mitochondria had a high ATP hydrolase activity following the collapse of the membrane potential by addition of valinomycin in state 4. In mitochondria isolated from potato tubers such ATP hydrolase activity was not observed. Pea leaf mitochondria also had a DELTApH, in contrast to what was previously found for potato tuber mitochondria. This DELTApH could, however, not explain the different results on ATP hydrolysis since this activity was also observed in the presence of nigericin. The results suggest a tissue-specific regulation of ATP hydrolysis in resting organs (potato tubers) as compared to active organs (leaves).

Place, publisher, year, edition, pages
1993. Vol. 318, no 2, 113-117 p.
National Category
Biochemistry and Molecular Biology Biophysics Cell Biology
URN: urn:nbn:se:umu:diva-46914DOI: 10.1016/0014-5793(93)80003-DISI: A1993KP03200003OAI: diva2:447236
Available from: 2011-10-11 Created: 2011-09-16 Last updated: 2015-04-29Bibliographically approved

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Gardeström, Per
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Department of Plant PhysiologyUmeå Plant Science Centre (UPSC)
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