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mgr Karolina Grabowska-Grucza

Scientific interests

  • Ecology of freshwater ecosystems
  • The impact of anthropopressure on the ecology of surface water microorganisms
  • Microbiological threats and bacterial diversity in water reservoirs in the context of eutrophication and climate change


  • “Microbiological threats in the waters of selected lakes as a result of eutrophication of the Great Masurian Lakes System” – NCN OPUS 2015/17 / B / NZ9 / 01552 (2016-2019), co-investigator
  • “Occurrence of free-living amoebas as a reservoir of pathogenic microorganisms in selected water reservoirs of the Great Masurian Lakes System with varying degrees of eutrophication” (2018-2019) – microgrant, University of Warsaw


  • Institute of Evolutionary Biology, CSIC-UPF, Barcelona, Spain, 16-29.01.2022.
  • Limnological Research Station (Limnologische Station Iffeldorf), Research Department Ecology and Ecosystem Managment (Forschungsdepartment Ökologie und Ökosystemmanagement) Aquatic System Biology (Aquatische Systembiologie), Technical University in Munich (Technische Universität München), Germany, 1-28.07.2019.
  • Haartman Institute, Department of Bacteriology and Immunology, Faculty of Medicine, University of Helsinki, Finland, 1-22.03.2015.


  • Grabowska-Grucza K., Kiersztyn B., Siuda W., Chróst RJ. Impact of short-term lake temperature increasing on the taxonomic and metabolic diversity of bacterial communities. 25th Congress of Polish Hydrobiologists, 7-9.09.2022, Łódź, Poland.
  • Bancerz-Kisiel A., Grabowska-Grucza K., Lipczyńska-ilczuk K., Kończyk-Kmiecik K. An attempt to assess the usefulness of direct Yersinia enterocolitica DNA isolation from rectal swabs taken from fattening pigs. 26th International Pig Veterinary Society Congress – IPVS, 21-24.06.2022, Rio de Janeiro, Brazil
  • Grabowska K., Kiersztyn B., Chróst R.J. Impact of increasing temperature on the taxonomic and metabolic diversity of bacterial communities in lake water. The 5th International Symposium on Euroasian Biodiversity, 1-3.07.2021, Mugla, Turkey,
  • Grabowska K., Kiersztyn B., Bukowska A., Siuda W. Chróst R.J. Influence of water temperature increase on taxonomic and metabolic diversity of bacteria in the context of global warming. 1st Virtual Conference of the Ochota Campus, University of Warsaw, Poland, 30.06-1.07.2020.
  • Grabowska K., Chróst R.J., Bukowska A., Kaliński T., Siuda, Kiersztyn B. Presence of Legionella and Aeromonas spp. In lake water is depended on the trophic state index of the Great Masurian Lakes. Poster, 17th International Symposium on Microbial Ecology (ISME). 12-17.08.2018, Leipzig, Germany
  • Grabowska K., Bukowska A., Kiersztyn B., Chróst R.J. Microbiological threats to the waters of the Great Masurian Lakes system in the context of eutrophication: identification of microorganisms of the genus Legionella and Aeromonas. IX National Hydromicrobiological Conference “Hydromicro”, 17-19.09. 2017, Olsztyn, Poland
  • Bancerz-Kisiel A., Szczerba-Turek A., Platt-Samoraj A., Grabowska K., Szweda W. Application of the HRM method to the analysis of single nucleotide polymorphisms of the ail gene fragments of the Yersinia enterocolitica strain. XV Congress of the Polish Society of Veterinary Sciences, 22-24.09.2016, Lublin, Poland
  • Szczerba-Turek A., Bancerz-Kisiel A., Siemionek J., Socha P., Platt-Samoraj A., Grabowska K., Lipczyńska K., Szweda W. Phylogenetic analysis of selected fragments of Bovine papilloma virus genes isolated from cows in Poland. XV Congress of the Polish Society of Veterinary Sciences, 22-24.09.2016, Lublin, Poland
  • Pajdak J., Terech-Majewska E., Schulz P., Grabowska K., Siwicki A.K. 2014, The impact of selected water parameters on the health condition of fish in recirculation cycles (poster). Aquaculture engineering, Olsztyn, Poland



Grabowska-Grucza, Karolina; Kiersztyn, Bartosz

Relationships between Legionella and Aeromonas spp. and associated lake bacterial communities across seasonal changes in an anthropogenic eutrophication gradient Journal Article

In: Scientific Reports, vol. 13, no. 1, pp. 17076, 2023.

Abstract | Links | BibTeX


Grabowska-Grucza, Karolina; Bancerz-Kisiel, Agata

Comparison of Yersinia enterocolitica DNA Isolation from Swabs Without Pre-Enrichment on Selective Media With Isolation Preceded by Warm and Cold Enrichment Journal Article

In: Foodborne Pathogens and Disease, 2022, ISSN: 1535-3141.

Links | BibTeX

Grabowska-Grucza, K; Bukowska, A; Siuda, W; ó, RJ Chr; Kiersztyn, B

Impact of increasing temperature on the taxonomic and metabolic structure of bacterial communities in a global warming context Journal Article

In: Aquatic Microbial Ecology, 2022.

Links | BibTeX


Siuda, Waldemar; Grabowska, Karolina; Kaliński, Tomasz; Kiersztyn, Bartosz; Chróst, Ryszard J

Trophic state, eutrophication, and the threats for water quality of the great mazurian lake system Journal Article

In: Handbook of Environmental Chemistry, vol. 86, pp. 231-260, 2020, ISSN: 1867979X.

Abstract | Links | BibTeX


Grabowska, Karolina; Bukowska, Aleksandra; Kaliński, Tomasz; Kiersztyn, Bartosz; Siuda, Waldemar; Chróst, Ryszard J

Presence and identification of Legionella and Aeromonas spp. in the Great Masurian Lakes system in the context of eutrophication Journal Article

In: Journal of Limnology, 2019, ISSN: 1129-5767.

Abstract | Links | BibTeX

Kiersztyn, Bartosz; Chróst, Ryszard; Kaliński, Tomasz; Siuda, Waldemar; Bukowska, Aleksandra; Kowalczyk, Grzegorz; Grabowska, Karolina

Structural and functional microbial diversity along a eutrophication gradient of interconnected lakes undergoing anthropopressure Journal Article

In: Scientific Reports, vol. 9, 2019, ISSN: 2045-2322.

Abstract | Links | BibTeX


Terech-Majewska, E; Pajdak, J; Platt-Samoraj, A; Szczerba-Turek, A; Bancerz-Kisiel, A; Grabowska, K

Characterization of Yersinia enterocolitica strains potentially virulent for humans and animals in river water Journal Article

In: Journal of Applied Microbiology, vol. 121, pp. 554-560, 2016, ISSN: 13645072.

Links | BibTeX