Szilvia Tóth Institute of Plant Biology, Biological Research Centre of the Hungarian Academy of Sciences, Hungary
1 protocol

Valéria Nagy Institute of Plant Biology, Biological Research Centre of the Hungarian Academy of Sciences, Hungary
1 protocol

André Vidal-Meireles Institute of Plant Biology, Biological Research Centre of the Hungarian Academy of Sciences, Hungary
1 protocol

László Kovács
  • Institute of Plant Biology, Biological Research Centre of the Hungarian Academy of Sciences, Hungary
Research focus
  • Plant science
  • 1 Author merit


Ph.D in Biology, Faculty of Science, József Attila University, Szeged, 2002

Current Position

Senior Research associate, Biological Research Centre of the Hungarian Academy of Sciences, Institute of Plant Biology, Szeged, Hungary

Publications (since 2010)

  1. Nagy, V., Vidal-Meireles, A., Tengolics, R., Rakhely, G., Garab, G., Kovacs, L. and Toth, S. Z. (2016). Ascorbate accumulation during sulphur deprivation and its effects on photosystem II activity and H2 production of the green alga Chlamydomonas reinhardtii. Plant Cell Environ 39(7): 1460-1472.
  2. Toth, T. N., Rai, N., Solymosi, K., Zsiros, O., Schroder, W. P., Garab, G., van Amerongen, H., Horton, P. and Kovacs, L. (2016). Fingerprinting the macro-organisation of pigment-protein complexes in plant thylakoid membranes in vivo by circular-dichroism spectroscopy. Biochim Biophys Acta 1857(9): 1479-1489.
  3. Vajravel, S., Kovacs, L., Kis, M., Rehman, A. U., Vass, I., Gombos, Z. and Toth, T. N. (2016). beta-Carotene influences the phycobilisome antenna of cyanobacterium Synechocystis sp. PCC 6803. Photosynth Res 130(1-3): 403-415.
  4. Akhtar, P., Dorogi, M., Pawlak, K., Kovacs, L., Bota, A., Kiss, T., Garab, G. and Lambrev, P. H. (2015). Pigment interactions in light-harvesting complex II in different molecular environments. J Biol Chem 290(8): 4877-4886.
  5. Klodawska, K., Kovacs, L., Varkonyi, Z., Kis, M., Sozer, O., Laczko-Dobos, H., Kobori, O., Domonkos, I., Strzalka, K., Gombos, Z. and Malec, P. (2015). Elevated growth temperature can enhance photosystem I trimer formation and affects xanthophyll biosynthesis in Cyanobacterium Synechocystis sp. PCC6803 cells. Plant Cell Physiol 56(3): 558-571.
  6. Toth, T. N., Chukhutsina, V., Domonkos, I., Knoppova, J., Komenda, J., Kis, M., Lenart, Z., Garab, G., Kovacs, L., Gombos, Z. and van Amerongen, H. (2015). Carotenoids are essential for the assembly of cyanobacterial photosynthetic complexes. Biochim Biophys Acta 1847(10): 1153-1165.
  7. Kovacs, L., Ayaydin, F., Kalai, T., Tandori, J., Kos, P. B. and Hideg, E. (2014). Assessing the Applicability of Singlet Oxygen Photosensitizers in Leaf Studies. Photochem Photobiol 90(1): 129-136.
  8. Krumova, S. B., Varkonyi, Z., Lambrev, P. H., Kovacs, L., Todinova, S. J., Busheva, M. C., Taneva, S. G. and Garab, G. (2014). Heat- and light-induced detachment of the light-harvesting antenna complexes of photosystem I in isolated stroma thylakoid membranes. J Photochem Photobiol B 137: 4-12.
  9. Nellaepalli, S., Zsiros, O., Tóth, T., Yadavalli, V., Garab, G., Subramanyam, R., Kovács, L. (2014). Heat- and light-induced detachment of the light harvesting complex from isolated photosystem i supercomplexes. Journal of Photochemistry and Photobiology B: Biology 137: 13-20.
  10. Unnep, R., Zsiros, O., Solymosi, K., Kovacs, L., Lambrev, P. H., Toth, T., Schweins, R., Posselt, D., Szekely, N. K., Rosta, L., Nagy, G. and Garab, G. (2014). The ultrastructure and flexibility of thylakoid membranes in leaves and isolated chloroplasts as revealed by small-angle neutron scattering. Biochim Biophys Acta 1837(9): 1572-1580.
  11. Nagy, G., Kovacs, L., Unnep, R., Zsiros, O., Almasy, L., Rosta, L., Timmins, P., Peters, J., Posselt, D. and Garab, G. (2013). Kinetics of structural reorganizations in multilamellar photosynthetic membranes monitored by small-angle neutron scattering. Eur Phys J E Soft Matter 36(7): 69.
  12. Janda, K., Hideg, E., Szalai, G., Kovacs, L. and Janda, T. (2012). Salicylic acid may indirectly influence the photosynthetic electron transport. J Plant Physiol 169(10): 971-978.
  13. Nagy, G., Pieper, J., Krumova, S. B., Kovacs, L., Trapp, M., Garab, G. and Peters, J. (2012). Dynamic properties of photosystem II membranes at physiological temperatures characterized by elastic incoherent neutron scattering. Increased flexibility associated with the inactivation of the oxygen evolving complex. Photosynth Res 111(1-2): 113-124.
  14. Posselt, D., Nagy, G., Kirkensgaard, J. J., Holm, J. K., Aagaard, T. H., Timmins, P., Retfalvi, E., Rosta, L., Kovacs, L. and Garab, G. (2012). Small-angle neutron scattering study of the ultrastructure of chloroplast thylakoid membranes - periodicity and structural flexibility of the stroma lamellae. Biochim Biophys Acta 1817(8): 1220-1228.
  15. Toth, T., Zsiros, O., Kis, M., Garab, G. and Kovacs, L. (2012). Cadmium exerts its toxic effects on photosynthesis via a cascade mechanism in the cyanobacterium, Synechocystis PCC 6803. Plant Cell Environ 35(12): 2075-2086.
  16. Dinc, E., Toth, S. Z., Schansker, G., Ayaydin, F., Kovacs, L., Dudits, D., Garab, G. and Bottka, S. (2011). Synthetic antisense oligodeoxynucleotides to transiently suppress different nucleus- and chloroplast-encoded proteins of higher plant chloroplasts. Plant Physiol 157(4): 1628-1641.
  17. Garcia-Cerdan, J. G., Kovacs, L., Toth, T., Kereiche, S., Aseeva, E., Boekema, E. J., Mamedov, F., Funk, C. and Schroder, W. P. (2011). The PsbW protein stabilizes the supramolecular organization of photosystem II in higher plants. Plant J 65(3): 368-381.
  18. Nagy, G., Posselt, D., Kovacs, L., Holm, J. K., Szabo, M., Ughy, B., Rosta, L., Peters, J., Timmins, P. and Garab, G. (2011). Reversible membrane reorganizations during photosynthesis in vivo: revealed by small-angle neutron scattering. Biochem J 436(2): 225-230.
  19. Schansker, G., Toth, S. Z., Kovacs, L., Holzwarth, A. R. and Garab, G. (2011). Evidence for a fluorescence yield change driven by a light-induced conformational change within photosystem II during the fast chlorophyll a fluorescence rise. Biochim Biophys Acta 1807(9): 1032-1043.
  20. Toth, S. Z., Nagy, V., Puthur, J. T., Kovacs, L. and Garab, G. (2011). The physiological role of ascorbate as photosystem II electron donor: protection against photoinactivation in heat-stressed leaves. Plant Physiol 156(1): 382-392.
  21. Velikova, V., Varkonyi, Z., Szabo, M., Maslenkova, L., Nogues, I., Kovacs, L., Peeva, V., Busheva, M., Garab, G., Sharkey, T. D. and Loreto, F. (2011). Increased thermostability of thylakoid membranes in isoprene-emitting leaves probed with three biophysical techniques. Plant Physiol 157(2): 905-916.
  22. Bajkan, S., Varadi, G., Balogh, M., Domonkos, A., Kiss, G. B., Kovacs, L. and Lehoczki, E. (2010). Conserved structure of the chloroplast-DNA encoded D1 protein is essential for effective photoprotection via non-photochemical thermal dissipation in higher plants. Mol Genet Genomics 284(1): 55-63.
  23. Krumova, S. B., Laptenok, S. P., Kovacs, L., Toth, T., van Hoek, A., Garab, G. and van Amerongen, H. (2010). Digalactosyl-diacylglycerol-deficiency lowers the thermal stability of thylakoid membranes. Photosynth Res 105(3): 229-242.
1 Protocol published
Quantitative Determination of Ascorbate from the Green Alga Chlamydomonas reinhardtii by HPLC
Authors:  László Kovács, André Vidal-Meireles, Valéria Nagy and Szilvia Z. Tóth, date: 12/20/2016, view: 6632, Q&A: 0
Ascorbate (Asc, also called vitamin C) is of vital importance to the cellular functions of both animals and plants. During evolution, Asc has become one of the most abundant metabolites in seed plants; however, Asc contents in cyanobacteria, green ...
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