A Free Radical Ubiquitously Associated with Senescence in Plants: Evidence for a Quinone

The interpretation of EPR and ENDOR measurements on an organic free radical which appears to be a universal concomitant of senescence in plants is discussed. On the basis of EPR spectra obtained at 95 GHz it is speculated that the radical is derived from a quinone.

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Bibliographische Detailangaben
Veröffentlicht in:	Free radical research 1993, Vol.19 (5), p.297-301
Hauptverfasser:	Atherton, N. M., Hendry, G. A. F., Möbius, K., Rohrer, M., Törring, J. T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Benzoquinones - metabolism Biological and medical sciences Electron Spin Resonance Spectroscopy - methods Free Radicals - analysis Fundamental and applied biological sciences. Psychology Plant physiology and development Plants - metabolism quinone Senescence Senescence and abscission Time Factors Vegetative apparatus, growth and morphogenesis. Senescence
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Beschreibung
Zusammenfassung:	The interpretation of EPR and ENDOR measurements on an organic free radical which appears to be a universal concomitant of senescence in plants is discussed. On the basis of EPR spectra obtained at 95 GHz it is speculated that the radical is derived from a quinone.
ISSN:	1071-5762 8755-0199 1029-2470
DOI:	10.3109/10715769309056518