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Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol
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Zeitschriftentitel: | IUBMB Life |
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Personen und Körperschaften: | , , , , |
In: | IUBMB Life, 39, 1996, 5, S. 1001-1006 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Wiley
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Schlagwörter: |
author_facet |
Macri, F. Vianello, A. Braidot, E. Petrussa, E. Mokhova, E. N. Macri, F. Vianello, A. Braidot, E. Petrussa, E. Mokhova, E. N. |
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author |
Macri, F. Vianello, A. Braidot, E. Petrussa, E. Mokhova, E. N. |
spellingShingle |
Macri, F. Vianello, A. Braidot, E. Petrussa, E. Mokhova, E. N. IUBMB Life Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol Cell Biology Clinical Biochemistry Genetics Molecular Biology Biochemistry |
author_sort |
macri, f. |
spelling |
Macri, F. Vianello, A. Braidot, E. Petrussa, E. Mokhova, E. N. 1521-6543 1521-6551 Wiley Cell Biology Clinical Biochemistry Genetics Molecular Biology Biochemistry http://dx.doi.org/10.1080/15216549600201152 <jats:title>Abstract</jats:title><jats:p>Zearalenone (F‐2) is a mycotoxin which acts as a protonophoric uncoupler in plant mitochondria [Macri, F. and Vianello, A., (1990) J. Plant Physiol. 136, 754‐757]. In the present paper, the mechanism of F‐2‐induced uncoupling in pea mitochondria was studied. The uncoupling by F‐2 was partially reversed by 6‐ketocholestanol (kCh) under conditions in which kCh completely reversed the FCCP‐induced uncoupling and almost did not affect the palmitate‐induced uncoupling. Recoupling effects of carboxyatractylate, ADP and cyclosporin A were small and could not essentially decrease the kCh‐insensitive part of F‐2‐induced uncoupling. It is suggested that a protein, mediating kCh‐sensitive uncoupling, is involved in the F‐2 effect in plant mitochondria.</jats:p> Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol IUBMB Life |
doi_str_mv |
10.1080/15216549600201152 |
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Biologie Medizin Chemie und Pharmazie |
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Wiley, 1996 |
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Wiley, 1996 |
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1996 |
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Wiley |
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title |
Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_unstemmed |
Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_full |
Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_fullStr |
Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_full_unstemmed |
Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_short |
Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_sort |
zearalenone ‐ induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
topic |
Cell Biology Clinical Biochemistry Genetics Molecular Biology Biochemistry |
url |
http://dx.doi.org/10.1080/15216549600201152 |
publishDate |
1996 |
physical |
1001-1006 |
description |
<jats:title>Abstract</jats:title><jats:p>Zearalenone (F‐2) is a mycotoxin which acts as a protonophoric uncoupler in plant mitochondria [Macri, F. and Vianello, A., (1990) J. Plant Physiol. 136, 754‐757]. In the present paper, the mechanism of F‐2‐induced uncoupling in pea mitochondria was studied. The uncoupling by F‐2 was partially reversed by 6‐ketocholestanol (kCh) under conditions in which kCh completely reversed the FCCP‐induced uncoupling and almost did not affect the palmitate‐induced uncoupling. Recoupling effects of carboxyatractylate, ADP and cyclosporin A were small and could not essentially decrease the kCh‐insensitive part of F‐2‐induced uncoupling. It is suggested that a protein, mediating kCh‐sensitive uncoupling, is involved in the F‐2 effect in plant mitochondria.</jats:p> |
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author | Macri, F., Vianello, A., Braidot, E., Petrussa, E., Mokhova, E. N. |
author_facet | Macri, F., Vianello, A., Braidot, E., Petrussa, E., Mokhova, E. N., Macri, F., Vianello, A., Braidot, E., Petrussa, E., Mokhova, E. N. |
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description | <jats:title>Abstract</jats:title><jats:p>Zearalenone (F‐2) is a mycotoxin which acts as a protonophoric uncoupler in plant mitochondria [Macri, F. and Vianello, A., (1990) J. Plant Physiol. 136, 754‐757]. In the present paper, the mechanism of F‐2‐induced uncoupling in pea mitochondria was studied. The uncoupling by F‐2 was partially reversed by 6‐ketocholestanol (kCh) under conditions in which kCh completely reversed the FCCP‐induced uncoupling and almost did not affect the palmitate‐induced uncoupling. Recoupling effects of carboxyatractylate, ADP and cyclosporin A were small and could not essentially decrease the kCh‐insensitive part of F‐2‐induced uncoupling. It is suggested that a protein, mediating kCh‐sensitive uncoupling, is involved in the F‐2 effect in plant mitochondria.</jats:p> |
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spelling | Macri, F. Vianello, A. Braidot, E. Petrussa, E. Mokhova, E. N. 1521-6543 1521-6551 Wiley Cell Biology Clinical Biochemistry Genetics Molecular Biology Biochemistry http://dx.doi.org/10.1080/15216549600201152 <jats:title>Abstract</jats:title><jats:p>Zearalenone (F‐2) is a mycotoxin which acts as a protonophoric uncoupler in plant mitochondria [Macri, F. and Vianello, A., (1990) J. Plant Physiol. 136, 754‐757]. In the present paper, the mechanism of F‐2‐induced uncoupling in pea mitochondria was studied. The uncoupling by F‐2 was partially reversed by 6‐ketocholestanol (kCh) under conditions in which kCh completely reversed the FCCP‐induced uncoupling and almost did not affect the palmitate‐induced uncoupling. Recoupling effects of carboxyatractylate, ADP and cyclosporin A were small and could not essentially decrease the kCh‐insensitive part of F‐2‐induced uncoupling. It is suggested that a protein, mediating kCh‐sensitive uncoupling, is involved in the F‐2 effect in plant mitochondria.</jats:p> Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol IUBMB Life |
spellingShingle | Macri, F., Vianello, A., Braidot, E., Petrussa, E., Mokhova, E. N., IUBMB Life, Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol, Cell Biology, Clinical Biochemistry, Genetics, Molecular Biology, Biochemistry |
title | Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_full | Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_fullStr | Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_full_unstemmed | Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_short | Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_sort | zearalenone ‐ induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
title_unstemmed | Zearalenone ‐ Induced uncoupling in plant mitochondria is sensitive to 6‐ketocholestanol |
topic | Cell Biology, Clinical Biochemistry, Genetics, Molecular Biology, Biochemistry |
url | http://dx.doi.org/10.1080/15216549600201152 |