Otilia Cheregi
  • Department of Chemistry, Umeå University, Sweden
Research fields
  • Microbiology
Personal information


Ph.D in Biology, University of Szeged, Hungary

Current Position

Postdoctoral researcher, Umeå University, Sweden


  1. Cheregi, O., Wagner, R. and Funk, C. (2016). Insights into the Cyanobacterial Deg/HtrA Proteases. Front Plant Sci 7: 694.
  2. Cheregi, O. and Funk, C. (2015). Regulation of the scp Genes in the Cyanobacterium Synechocystis sp. PCC 6803--What is New? Molecules 20(8): 14621-14637.
  3. Cheregi, O., Kotabova, E., Prasil, O., Schroder, W. P., Kana, R. and Funk, C. (2015). Presence of state transitions in the cryptophyte alga Guillardia theta. J Exp Bot 66(20): 6461-6470.
  4. Cheregi, O., Miranda, H., Grobner, G. and Funk, C. (2015). Inactivation of the Deg protease family in the cyanobacterium Synechocystis sp. PCC 6803 has impact on the outer cell layers. J Photochem Photobiol B 152(Pt B): 383-394.
  5. Mahler, N., Cheregi, O., Funk, C., Netotea, S. and Hvidsten, T. R. (2014). Synergy: a web resource for exploring gene regulation in Synechocystis sp. PCC6803. PLoS One 9(11): e113496.
  6. Miranda, H., Cheregi, O., Netotea, S., Hvidsten, T. R., Moritz, T. and Funk, C. (2013). Co-expression analysis, proteomic and metabolomic study on the impact of a Deg/HtrA protease triple mutant in Synechocystis sp. PCC 6803 exposed to temperature and high light stress. J Proteomics 78: 294-311.
  7. Cheregi, O., Vermaas, W. and Funk, C. (2012). The search for new chlorophyll-binding proteins in the cyanobacterium Synechocystis sp. PCC 6803. J Biotechnol 162(1): 124-133.
  8. Wu, H., Abasova, L., Cheregi, O., Deak, Z., Gao, K. and Vass, I. (2011). D1 protein turnover is involved in protection of Photosystem II against UV-B induced damage in the cyanobacterium Arthrospira (Spirulina) platensis. J Photochem Photobiol B 104(1-2): 320-325.
  9. Balogi, Z., Cheregi, O., Giese, K. C., Juhasz, K., Vierling, E., Vass, I., Vigh, L., Horvath, I. (2008). A mutant small heat shock protein with increased thylakoid association provides and elevated resistance against UV-B damage in Synechocystis 6803. J Biol Chem 283(34): 22983-22991.
  10. Kos, P. B., Deak, Z., Cheregi, O. and Vass, I. (2008). Differential regulation of psbA and psbD gene expression, and the role of the different D1 protein copies in the cyanobacterium Thermosynechococcus elongatus BP-1. Biochim Biophys Acta 1777(1): 74-83.
  11. Sicora, C. I., Brown, C. M., Cheregi, O., Vass, I. and Campbell, D. A. (2008). The psbA gene family responds differentially to light and UVB stress in Gloeobacter violaceus PCC 7421, a deeply divergent cyanobacterium. Biochim Biophys Acta 1777(2): 130-139.
  12. Vass, I., Cser, K. and Cheregi, O. (2007). Molecular mechanisms of light stress of photosynthesis. Ann N Y Acad Sci 1113: 114-122.
  13. Cheregi, O., Sicora, C., Kos, P. B., Barker, M., Nixon, P. J. and Vass, I. (2007). The role of the FtsH and Deg proteases in the repair of UV-B radiation-damaged Photosystem II in the cyanobacterium Synechocystis PCC 6803. Biochim Biophys Acta 1767(6): 820-828.
  14. Cadoret, J. C., Rousseau, B., Perewoska, I., Sicora, C., Cheregi, O., Vass, I. and Houmard, J. (2005). Cyclic nucleotides, the photosynthetic apparatus and response to a UV-B stress in the Cyanobacterium Synechocystis sp. PCC 6803. J Biol Chem 280(40): 33935-33944.
  15. Keul, A. L.,Cheregi, O. and Deliu, C. (2004). Characterization of the in vitro organogenesis of apricot. Acta Physiologiae Plantarum 26(3): 278-287.
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