Ksenija Zahradka

Ksenija Zahradka


Senior Research Associate
+385 1 456 0971


Krilo 5/102

Department of Molecular Biology
Ruđer Bošković Institute
Bijenička 54
10000 Zagreb


2002   Postdoctoral training in the group of Prof. Miroslav Radman, Faculté de Médecine Necker, Université de Paris-Descartes, Paris, France

1999   Ph.D. in Biology, Faculty of Science, University of Zagreb, Croatia 

1994   M.Sc. in Biology, Faculty of Science, University of Zagreb, Croatia

1991   B.Sc. in Molecular Biology, Faculty of Science, University of Zagreb, Croatia


2014-2018 "DNA recombination, repair and maintenance of genome integrity: new pathways", Croatian Science Foundation (IP-11-2013-2978); associate

2007-2013  "Molecular mechanisms of DNA recombination and repair", Croatian Ministry of Science, Education and Sports (098-0982913-2862); associate

2007-2010 "Life under extreme conditions", Mediterranean Institute for Life Sciences (MedILS); co-leader 

Awards and Achievements

2007    Croatian Annual Science Award

2006    Excellence in Science Grant, Croatian Ministry of Science, Education and Sports 

2002    Necker Institute postdoctoral fellowship, Paris, France


2008 -  :  Course “Genetic recombination and DNA repair”, PhD studies in Biology, Faculty of Science, University of Zagreb

2008 -  : Course “Mechanisms of DNA damage and repair”, PhD studies in Molecular Bioscience, University of Osijek, University of Dubrovnik and Ruđer Bošković Institute, Zagreb

2005 - 2008: Graduate course “Human genetics”, Faculty of Pharmacy and Biochemistry, University of Zagreb

Featured Publications

Buljubašić, M., Zahradka, D., Zahradka, K. (2013) RecQ helicase acts before RuvABC, RecG and XerC proteins during recombination in recBC sbcBC mutants of Escherichia coli. Research in Microbiology 164: 987-997.

Repar, J., Briški, N., Buljubašić, M., Zahradka, K., Zahradka, D. (2013) Exonuclease VII is involved in “reckless” DNA degradation in UV-irradiated Escherichia coli. Mutation Research/Genetic Toxicology and Environmental Mutagenesis 750:96-104.

Zahradka, K., Zahradka, D. (2013) Reckless DNA Degradation. In: S. Maloy, K. Hughes (eds). Brenner's Encyclopedia of Genetics, 2nd edition, Vol. 6. San Diego: Academic Press, p. 72-74.

Buljubašić, M., Repar, J., Zahradka, K., Đermić, D., Zahradka, D. (2012) RecF recombination pathway in Escherichia coli cells lacking RecQ, UvrD and HelD helicases. DNA Repair 11: 419-430.

Repar, J., Cvjetan, S., Slade, D., Radman, M., Zahradka, D., Zahradka, K. (2010) RecA protein assures fidelity of DNA repair and genome stability in Deinococcus radiodurans. DNA Repair 9: 1151-1161.

Zahradka, K., Buljubašić, M., Petranović, M., Zahradka, D. (2009) Roles of ExoI and SbcCD nucleases in "reckless" DNA degradation in recA mutants of Escherichia coliJournal of Bacteriology 191: 1677-1687.

Petranovic, D., Michelsen, O., Zahradka, K., Silva, C., Petranovic, M., Jensen, P. R., Mijakovic, I. (2007) Bacillus subtilis strain deficient for the protein-tyrosine kinase PtkA exhibits impaired DNA replication. Molecular Microbiology 63: 1797-1805.

Zahradka, K., Slade, D., Bailone, A., Sommer, S., Averbeck, D., Petranovic, M., Lindner, A. B., Radman, M. (2006) Reassembly of shattered chromosomes in Deinococcus radiodurans. Nature 443: 569-573.

Zahradka, K., Šimić, S., Buljubašić, M., Petranović, M., Đermić, D., Zahradka, D. (2006) sbcB15 and delsbcB mutations activate two types of RecF recombination pathway in Escherichia coli. Journal of Bacteriology 188: 7562-7571. 

Membership in professional associations / societies

European Environmental Mutagenesis and Genomics Society (EEMGS)

Croatian Genetic Society

Croatian Society for Biochemistry and Molecular Biology

Croatian Microbiological Society


Mentor of three diploma students and two PhD students (University of Zagreb)

Reviewer for international scientific journals (PLoS Genetics, Journal of Molecular Biology, BMC Molecular Biology, FEMS Microbiology Letters, Archives of Microbiology, Radiation Physics and Chemistry)

Knowledge and Invention Program, Adris Foundation, Croatia; Vice-chair (2007-2014), Chair (2015- )  

Croatian Councillor in European Environmental Mutagenesis and Genomic Society (2015- )

Member of the Organizing/Scientific Committee of several scientific meetings

President of the Organizing Committee of the Scientific Symposium “50 Years of Molecular Biology in Croatia”, Zagreb, Croatia (2008)

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