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FLASH INDUCED OSCILLATION OF THE LOW TEMPERATURE THERMOLUMINESCENCE BAND Z v IN CHLOROPLASTS
Author(s) -
Vass Imre,
Rzsa Zsuzsa,
Demeter Sndor
Publication year - 1984
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1984.tb04608.x
Subject(s) - dcmu , hydroxylamine , thermoluminescence , oscillation (cell signaling) , amplitude , excitation , chemistry , maxima , analytical chemistry (journal) , atomic physics , luminescence , materials science , physics , optics , optoelectronics , photosystem ii , photosynthesis , art , organic chemistry , quantum mechanics , biochemistry , chromatography , performance art , art history
Using preilluminating flashes at 2°C prior to continuous excitation of isolated chloroplasts at ‐80°C, a period‐four oscillation with maxima at the 0th, 4th and 8th flashes was observed in the amplitude of the thermoluminescence band Z v . Inactivation of the water‐splitting system by hydroxylamine‐ or Tris‐treatments greatly diminished the Z v band. On the other hand, its amplitude was not considerably affected by the addition of inhibitory concentration of DCMU. On the basis of the results, the possible origin of the Z v band is discussed.