NDLI: Thermoluminescence in Chloroplasts as an Indicator of Alterations in Photosystem 2 Reaction Centre by Biotic and Abiotic Stresses

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Thermoluminescence in Chloroplasts as an Indicator of Alterations in Photosystem 2 Reaction Centre by Biotic and Abiotic Stresses

Content Provider	Springer Nature Link
Author	Misra, A.N. Dilnawaz, F. Misra, M. Biswal, A.K.
Copyright Year	2001
Abstract	Thermoluminescence (TL) in green plants arises from charge recombination of charged molecules in the reaction centre (RC) of photosystem 2 (PS2) in chloroplasts. The TL technique is used for detection of alterations in the architecture of PS2 RCs. The donor side 'S-states' and the acceptor side quinone molecules (Q$_{A}$ and Q$_{B}$) are involved the charge recombination processes of PS2. High temperature (70–75 °C) glow peaks are also used to detect non-photosynthetic peroxidation processes in thylakoid membranes. The TL peaks with their characteristic charge recombination can be utilised for the study of chloroplast development, ageing, chemical, biotic, and abiotic stress induced alterations in the PS2 RC and for the study of the primary photochemical events of photosynthesis. The technique has been used successfully in the characterisation of transgenic plants in the study of genetically engineered organisms.
Starting Page	1
Ending Page	9
Page Count	9
File Format	PDF
ISSN	03003604
Journal	Photosynthetica
Volume Number	39
Issue Number	1
e-ISSN	15739058
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2001-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Plant Physiology
Content Type	Text
Resource Type	Article
Subject	Physiology Plant Science

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