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Zeitschrift für Naturforschung C

A Journal of Biosciences

Editor-in-Chief: Seibel, Jürgen

Editorial Board: Aigner , Achim / Boland, Wilhelm / Bornscheuer, Uwe / Hoffmann, Klaus


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1865-7125
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Volume 54, Issue 9-10

Issues

Effect of Tobamovirus Infection on Thermoluminescence Characteristics of Chloroplasts from Infected Plants

Jaber Rahoutei
  • Department of Biochemistry, Cell and Molecular Biology of Plants, Estaciön Experimental del Zaidfn, Consejo Superior de Investigaciones Cientfficas (C.S.I.C.), E-18008 Granada, Spain
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/ Matilde Barón
  • Department of Biochemistry, Cell and Molecular Biology of Plants, Estaciön Experimental del Zaidfn, Consejo Superior de Investigaciones Cientfficas (C.S.I.C.), E-18008 Granada
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/ Isabel García-Luque
  • Department of Plant Biology, Centro Investigaciones Biolögicas, C. S. I.C, E-28006 Madrid, Spain
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/ Magdolna Droppa
  • Department of Plant Physiology, University of Horticulture and Food Industry, Budapest, P.O. Box 53, Hungary, H-1518.
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/ Neményi
  • Department of Plant Physiology, University of Horticulture and Food Industry, Budapest, P.O. Box 53, Hungary, H-1518.
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/ Gábor Horváth
  • Department of Plant Physiology, University of Horticulture and Food Industry, Budapest, P.O. Box 53, Hungary, H-1518.
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Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znc-1999-9-1004

Changes of thermoluminescence characteristics as well as the O2-evolving capacity was analysed in chloroplasts isolated from Nicotiana benthamiana infected with pepper and paprika mild mottle viruses and their chimeric hybrids. The electron transport activity in thylakoids of virus-infected plants was inhibited and could be restored by adding DPC or Ca2+ which indicated that the virus infection altered the oxygen-evolving complex. In thermoluminescence characteristics of plants infected with either viruses, the first well defined response was a shift in the peak position of the B band from 20 °C to 35 °C corresponding to S3(S2)QB- and S2QB- charge recombinations, respectively, which showed an inhibition in the formation of higher S states in the water splitting system. Simultaneously, a new band appeared around 70 °C due to chemiluminescence of lipid peroxidation. Further progress of the viral infection dramatically decreased the intensity of bands originated from charge recombinations with a concomitant increase of the band at 70 °C indicating the general oxidative breakdown of injured thylakoids

: Biotic Stress; Photosynthetic Electron Transport; Photosystem II; Thermoluminescence; Virus Infection

About the article

Received: 1998-11-15

Revised: 1999-01-15

Published Online: 2014-06-02

Published in Print: 1999-10-01


Citation Information: Zeitschrift für Naturforschung C, Volume 54, Issue 9-10, Pages 634–639, ISSN (Online) 1865-7125, ISSN (Print) 0939-5075, DOI: https://doi.org/10.1515/znc-1999-9-1004.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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Physiologia Plantarum, 2000, Volume 110, Number 2, Page 286
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