evolutionary genetics group   :::   institute   :::   university   :::  polski
 
 
Ryszard Korona
ryszard.korona@uj.edu.pl
  Professor

Institute of Environmental Sciences
Jagiellonian University

Gronostajowa 7, 30-387 Kraków, Poland

phone + 48 12 664 51 36
fax + 48 12 664 69 12
mobile + 48 510 071 693
 
   
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  Research interests
Selected publications
Students and collaborators


Research interests:

adaptation and maladaptation, functional genomics, experimental evolution

Yeast, Saccaromyces cerevisiae, a model organism in genetics and genomics

Spontaneous mutations: rate of origin, selective value, domination

Planned gene deletions in the analysis of genetic networks

Molecular mechanisms of phenotypic buffering of genetic damage

Growth, starvation, stress - genetic variation under different conditions

Experimental evolution of laboratory populations of microorganisms

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Selected publications

Korona, R. 2011. Gene dispensability. Current Opinion in Biotechnology 22: 547-551. doi: 10.1016/j.copbio.2011.04.017 Epub 2011 May 16.
abstract  |  PDF

Tomala, K., M. Micinska, U. Paluchniak and R. Korona. 2011. Convergent lifespan reaction norms in the yeast cultures exposed to different environmental stresses. Journal of Evolutionary Biology 24(2):457-61. doi: 10.1111/j.1420-9101.2010.02189.x. Epub 2010 Dec 3.
abstract  |  PDF

Fudala, A. and R. Korona. 2009. Low frequency of mutations with strongly deleterious but nonlethal fitness effects. Evolution 63(8):2164-71. doi: 10.1111/j.1558-5646.2009.00713.x. Epub 2009 Apr 13.
abstract  |  PDF

Jakubowska, A. and R. Korona. 2009. Lack of evolutionary conservation at positions important for thermal stability in the yeast ODCase protein. Molecular Biology and Evolution 26(7):1431-4. Epub 2009 Apr 6.
abstract  |  PDF

Tomala, K. and R. Korona. 2008. Alleviation of deleterious effects of protein mutation through inactivation of molecular chaperones. Molecular Genetics and Genomics 280: 409-417. doi: 10.1007/s00438-008-0374-x.
abstract

Jasnos, Ł., K. Tomala, D. Paczesniak and R. Korona. 2008. Interactions between stressful environment and gene deletions alleviate the expected average loss of fitness in yeast. Genetics 178: 2105-2111.
abstract  |  PDF

Tomala, K. and R. Korona. 2008. Molecular chaperones and selection against mutations. Biology Direct 3:5, doi:10.1186/1745-6150-3-5.
abstract  |  PDF

Jasnos, Ł. and R. Korona. 2007. Epistatic buffering of fitness loss in yeast double deletion strains. Nature Genetics 39: 550-554.
abstract

Bobula, J., K. Tomala, E. Jez, D. Wloch, R. H. Borts and R. Korona. 2006. Why molecular chaperones buffer mutational damage: A case study with a yeast Hsp40/70 system. Genetics 174: 937-944.
abstract  |  PDF

Śliwa, P. and R. Korona. 2005. Loss of dispensable genes is not adaptive in yeast. Proceedings of National Academy of Sciences USA 102: 17670-17674.
abstract  |  PDF

Jasnos, Ł. P. Sliwa and R. Korona. 2005. Resolution and repeatability of phenotypic assays automated growth curve analysis in yeast and bacteria. Analytical Biochemistry 344: 138-140.

Korona, R. 2004. Experimental studies of mutational load in Saccharomyces cerevisiae. Research in Microbiology 155: 301-310.
abstract

Sliwa, P., J. Kluz and R. Korona. 2004. Mutational load and the transition between diploidy and haploidy in experimental populations of the yeast Saccharomyces cerevisiae. Genetica 121: 285-293.
abstract

Szafraniec, K., D. M. Włoch, P. Sliwa, R. H. Borts and R. Korona. 2003. Small fitness effects and weak genetic interactions between deleterious mutations in heterozygous loci of the yeast Saccharomyces cerevisiae. Genetical Research 82: 19-31.
abstract

Włoch, D. M., K. Szafraniec, R. H. Borts and R. Korona. 2001. Direct estimate of the mutation rate and the distribution of fitness effects in the yeast Saccharomyces cerevisiae. Genetics 159: 441-452.
abstract  |  PDF

Włoch, D. M., R. H. Borts and R. Korona. 2001. Epistatic interactions of spontaneous mutations in haploid strains of the yeast Saccharomyces cerevisiae. Journal of Evolutionary Biology 14: 310-316.

Szafraniec, K., R. H. Borts and R. Korona. 2001. Environmental stress and mutational load in diploid strains of the yeast Saccharomyces cerevisiae. Procedings of the National Academy of Sciences USA 98: 1107-1112.
abstract  |  PDF

Korona, R. 1999. Genetic load of the yeast Saccharomyces cerevisiae under diverse environmental conditions. Evolution 53: 1966-1971.

Korona, R. 1999. Unpredictable fitness transitions between haploid and diploid strains of genetically loaded yeast Saccharomyces cerevisiae. Genetics 151:77-85.
abstract  |  PDF

Nakatsu, C. H., R. Korona, R. E. Lenski, F. J. de Bruijn, T. L. Marsh and L. J. Forney. 1998. Parallel and divergent genotypic evolution in experimental populations of Ralstonia sp. Journal of Bacteriology 180:4325-4331.
abstract  |  PDF

Nakatsu, C. H., R. Korona, et al. 1997. Genetic diversity of 2,4 - dichlorophenoxyacetic acid (2,4-D) catabolic genes. In: T. Horikoshi, M. Fukuda and T. Kudo, eds. Microbial Diversity and Genetics of Biodegradation. Japan Scientific Societies Press, Tokyo. pp. 197-206.

Lenski, R. E., G. J. Velicer and R. Korona. 1997. Experimental studies on the evolution of bacteria that degrade 2,4-dichlorophenoxyacetic acid. In: T. Horikoshi, M. Fukuda and T. Kudo, eds. Microbial Diversity and Genetics of Biodegradation. Japan Scientific Societies Press, Tokyo. pp. 83-95.

Korona, R. 1996. Adaptation to structurally different environments. Proceedings of the Royal Society B 263:1665-1669.

Korona, R. 1996. Genetic divergence and fitness convergence under uniform selection pressure in experimental populations of bacteria. Genetics 143:637-644.
abstract  |  PDF

Korona, R. 1995. Evolution of dispersal: a humble but important example. Trends in Ecology and Evolution 10:53-54.

Korona, R., C. H. Nakatsu, L. J. Forney and R. E. Lenski. 1994. Evidence for multiple adaptive peaks from populations of bacteria evolving in a structured habitat. Proceedings of the National Academy of Sciences USA 91:9037-9041.
abstract  |  PDF

Korona, R. and B. R. Levin. 1993. Phage-mediated selection and the evolution and maintenance of restriction-modification. Evolution 47:556-575.

Korona, R., B. Korona and B. R. Levin. 1993. Sensitivity of naturally occurring coliphages to type I and type II restriction and modification. Journal of General Microbiology 139:1283-1290.
abstract  |  PDF

Korona, R. 1991. Genetic basis of behavioral strategies. Dispersal of female flour beetles Tribolium confusum in a laboratory system. Oikos 62:265-270.

Korona, R. 1991. On the role of age and body size in risky animal contests. Journal of theoretical Biology 152:165-176.

Korona, R. 1990. Travel costs and ideal free distribution of ovipositing female flour beetles, Tribolium confusum. Animal Behaviour 40:186-187.

Korona, R. 1989. Evolutionarily stable strategies in competition for resource intake rate maximization. II. Oviposition behavior in Tribolium confusum. Behavioral Ecology and Sociobiology 25:201-205.

Korona, R. 1989. Evolutionarily stable strategies in competition for resource intake rate maximization. I. The model. Behavioral Ecology and Sociobiology 25:193-199.

Korona, R. 1989. Ideal free distribution of unequal competitors can be determined by the form of competition. Journal of Theoretical Biology 138:347-352.

Korona, R., Łomnicki, A. 1988. Individual differences and survival during competition: a simple theoretical model and empirical evidence for flour beetles Tribolium castaneum (Herbst). Functional Ecology 2:330-334.

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Present and former collaborators

Katarzyna Tomala - postdoc

Agata Jakubowska - PhD

Agnieszka Marek - PhD

Elzbieta Pogoda - PhD

Magdalena Pieczynska - PhD

Marcin Plech - PhD

Lukasz Jasnos - PhD (2007)

Piotr Sliwa - PhD (2006)

Dominika M. Wloch-Salamon - PhD (2003)

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