Increase in the intensity of thermoluminescence Q-band during leaf ageing is due to a block in the electron transfer from Q( A) to Q( B)

Increase in the intensity of thermoluminescence Q-band during leaf ageing is due to a block in the electron transfer from Q( A) to Q( B)

The thermoluminescence (TL) parameters in intact leaves and thylakoids isolated from leaves showed a different pattern of change during leaf ageing. Ageing of leaves brought about a decrease in the B-band and a simultaneous increase in the Q-band. Thylakoids showed only a decrease in the B-band. The...

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Veröffentlicht in:Luminescence (Chichester, England) England), 2001-09, Vol.16 (5), p.309-313
Hauptverfasser: Biswal, A K, Dilnawaz, F, David, K A, Ramaswamy, N K, Misra, A N
Format: Artikel
Sprache:eng
Schlagworte:
Fabaceae
Luminescence
Mustard Plant
Photosynthesis - physiology
Photosynthetic Reaction Center Complex Proteins - chemistry
Plant Leaves - chemistry
Plant Leaves - physiology
Thylakoids - physiology
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Zusammenfassung:The thermoluminescence (TL) parameters in intact leaves and thylakoids isolated from leaves showed a different pattern of change during leaf ageing. Ageing of leaves brought about a decrease in the B-band and a simultaneous increase in the Q-band. Thylakoids showed only a decrease in the B-band. The TL bands further show that there is generation of an endogenous electron transport inhibitor during leaf ageing.
ISSN:1522-7235
DOI:10.1002/bio.660