Department of Microbiology
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Head

Professor
Jan Buczek
phone (+48 85) 745-73-31

Research staff

Izabela ¦wiêcicka, Ph.D., phone (+48 85) 745-73-32
Tomasz Hauschild, Ph.D., phone (+48 85) 745-74-28
Aneta Ksi±¿ek, Ph.D., phone (+48 85) 745-74-29
Marek Bartoszewicz, M.Sc., phone (+48 85) 745-73-65


Technical research assistants

Marianna P³onowska, phone (+48 85) 745-73-65
Research interests

Biodiversity of Bacillus thuringiensis. Occurrence of these bacteria in the natural environments, especially in the intestinal canal of small free living animals, settled in natural environments of the north - estern Poland. Relations between enthomopathogenic properties of this bacterium, and phenotypic, as well as genotypic relatednes. Content of genes coding d-endotoxins of Bacillus thuringiensis strains from natural environments using PCR method. The characterisation of the bacilli based on pulsed - field gel electrophoresis of chromosomal DNA, plasmid profiling, whole-cell protein patterning, and biochemical characters determined with API tests.
The characteristics of staphylococci from wild small mammals: rodents and insectivores based on phenotypic properties (biochemical tests, SDS-PAGE, susceptibility to antimicrobial agents), and molecular methods (PFGE, plasmids analysis, length polymorphism in the 16S-23S rDNA intergenic spacer region, PCR of genes mediating resistance to some classes of antibiotics).
Physiological immunology. The costs of mounting of immune response in laboratory mice (Mus musculus) divergently selected for high and low basal rate of metabolism (BMR). Trade-offs between metabolic costs of immune response and other components of energy budget. Effect of thermal stress on immune response (A. Ksi±¿ek).
Publications

(since 1999)

Laukowa A. Strompfova A., Simonova M., Styriak I., ¦wiêcicka I. 2008. Species of Enterococcus faecalis Associated with free-living rodents. Folia Microbiologica 53: 173-178.

Bartoszewicz M., Hansen B. M., ¦wiêcicka I. 2008. The members of the Bacillus cereus group are commonly present contaminants of fresh and heat-treated milk.. Food Microbiology 25: 588-596.

¦wiêcicka I. 2008. Natural occurrence of Bacillus thuringiensis and Bacillus cereus in eukaryotic organisms: a case for symbiosis. Biocontrol Science and Technology 18: 221-239.

¦wiêcicka I., Bideshi D. K., Federici B. A. 2008. Novel isolate of Bacillus thuringiensis subsp. thuringiensis that produces a quasicuboidal crystal of Cry1Ab21 toxic to larvae of Trichoplusia ni. Applied and Environmental Microbiology 74: 923-930.

Sacha P., ¯órawski M., Hauschild T., Wieczorek P., Jaworowska J., Jakoniuk P., Tryniszewska E. 2007. The presence of blaIMP genes on plasmids DNA isolated from multidrug - resistant Pseudomonas aeruginosa strains at University Hospital in Bialystok (Poland) - first report. Folia Histochemica 45: 405-408.

Hauschild T., Vukoviæ D., Dakiæ I., Jezek P., Djukiæ S., Dimitrijeviæ V., Stepanoviæ S., Schwarz S. 2007. Aminoglycoside resistance in members of the Staphylococcus sciuri group. Microbial Drug Resistance 13: 77-84.

Brzêk P., Bielawska K., Ksi±¿ek A., Konarzewski M. 2007. Anatomic and molecular correlates of divergent selection for basal metabolic rate in laboratory mice. Physiological and Biochemical Zoology 80(5), DOI: 10.1086/520617. [PDF]

Stepanoviæ S., Dakiæ I., Hauschild T., Vukoviæ D., Morrison D., Jezek P., Æirkoviæ I., Petrás P. 2007 Supplementary biochemical tests useful for the differentiation of oxidase positive staphylococci. Systematic and Applied Microbiology 30: 316-318.

Hauschild T., Stepanowiæ S., Dakiæ I., Djukiæ S., Ranin L., Jezek P., Schwarz S. 2007. Tetracycline resistance and distribution of tet genes in members of the Staphylococcus sciuri group isolated from humans, animals and different environmental sources. International Journal of Antimicrobial Agents 29: 356-358.

Hauschild T., Wójcik A. 2007. Species distribution and properties of staphylococci from canine dermatitis. Research in Veterinary Science 82: 1-6.

¦wiêcicka I., Van der Auvera G. A., Mahillon J. 2006. Hemolytic and nonhemolytic enterotoxin genes are broadly distributed among Bacillus thuringiensis isolated grom wild mammals. Microbial Ecology 52: 544-551.

Majer-Dziedzic B., Buczek J., Dziedzic R., Ziêtek J. 2006. Przypadki choroby krwotocznej zajêcy w hodowli kwaterowej - próby profilaktyki. Medycyna Weterynaryjna 62: 807-810.

Hauschild T., Lüthje P., Schwarz S. 2006. Characterization of a novel type of MLSb resistance plasmid from Staphylococcus saphrophyticus carrying a constitutively expressed erm (C) gene. Veterinary Microbiology 115: 258-263.

Bartoszewicz M., ¦wiêcicka I., Buczek J. 2006. Cereulidyna i entorotoksyny Bacillus cereus sensu lato. Medycyna Weterynaryjna 62: 28-31.

Bartoszewicz M. 2006 Internet w edukacji biologicznej. Biologia w szkole 296: 21-24.

¦wiêcicka I., Mahillon J. 2006. Diversity of commensal Bacillus cereus sensu lato isolated from the common sow bug (Porcellio scaber, Isopoda). FEMS Microbiological Ecology 56: 132-140.

Stepanoviæ S., Hauschild T., Dakiæ I., Al-Doori Z., Svabiæ-Vlahoviæ M., Ranin L., Morrison D. 2006. Evaluation of phenotypic and molecular methods for detection of oxacillin resistance in members of the Staphylococcus sciuri group. Journal of Clinical Microbiology 44: 934-937.

Ma³ek W., Wdowiak-Wróbel S., Kalita M., ¦wiêcicka I., Studziñska B. 2005. W poszukiwaniu koncepcji gatunku bakteryjnego. Postêpy Mikrobiologii 44: 323-328.

Dakiæ I., Vukoviæ D., Stepanowiæ S., Hauschild T., Jezek P., Petrás P., Morrison D. 2005. Survey of Genes Encoding staphylococcal enterotoxins, toxic shock syndrome toxin 1, and exfoliative toxins in members of the Staphylococcus sciuri group. Journal of Clinical Microbiology 43: 4875-4876.

Hauschild T., Lüthje P., Schwarz S. 2005. Staphylococcal tetracycline-MLSB resistance plasmid pSTE2 in the product of an RSA-mediated in vitro recombination. Journal of Antimicrobial Chemotherapy 56: 399-402.

Konarzewski M., Ksi±¿ek A., £apo I. B. 2005. Artificial selection on metabolic rates and related traits in rodents. Integrative and Comparative Biology: 45: 416-425.

Ma³ek W., Sajnaga E., Wdowiak-Wróbel S., Studziñska B., ¦wiêcicka I., Nosalewicz I., S³omka M., Tatra A., Gawron A. 2005. Characterization of Phages Virulent for Sarothamnus scoparius Bradyrhizobia. Current Microbiology 51: 244-249.

Dierick K., Van Coillie E., ¦wiêcicka I., Meyfroidt G., Devlieger H., Meulemans A., Hoedemaekers G., Fourie L., Heyndrickx M., Mahillon J. 2005. A fatal family outbreak of Bacillus cereus food poisoning. Journal of Clinical Microbiology 43: 4277-4279.

Dakiæ I., Morrison D., Vukoviæ D., Saviæ B., Shittu A., Jezek P., Hauschild T., Stepanowiæ S. 2005. Isolation and molecular characterization of Staphylococcus sciuri in the hospital environment. Journal of Clinical Microbiology 43: 2782-2785.

Hoton F. M., Andrup L., ¦wiêcicka I., Mahillon J. 2005. The cereulide genetic determinants of emetic Bacillus cereus are plasmid-borne. Microbiology 151: 2121-2124.

Stepanoviæ S., Dakiæ I., Morrison D., Hauschild T., Jezek P., Petrás P., Martel A., Vukoviæ D., Shittu A., Devrise L.A. 2005. Identification and characterization of clinical isolates of members of the Staphylococcus sciuri group. Journal of Clinical Microbiology 43: 956 -958.

¦wiêcicka I., Mahillon J. 2005. The clonal structure of Bacillus thuringiensis isolates from north-east Poland does not correlate with their cry gene diversity. Environmental Microbiology 7 (1): 34-39.

Hauschild T., Kehrenberg C., Schwarz S. 2003. Tetracycline resistance in Staphylococci from free-living rodents and Insectivores. Journal of Veterinary Medicine B. 50: 443-446.

Hauschild T., Schwarz S. 2003. Differentiation of Staphylococcus sciuri isolated from free-living rodents and insectivores. J. Vet. Med. B, 50: 241-246.

¦wiêcicka I., De Vos P. 2003. Properties of Bacillus thuringiensis isolated from bank voles. J. Appl. Microbiol. 94: 60-64.

Gliñski Z., Buczek J., Kostro K., Buczek K. 2003. Bacteriophages in bacterial infection therapy for people and animals. Med. Wet. 59: 187-190 (in Polish).

¦wiêcicka I., Buczek J., Iwaniuk A. 2003. Analysis of genetic relationships and antimicrobial susceptibility of Escherichia coli isolated from Clethrionomys glareolus. J. Gen. Appl. Microbiol. 49: 315-320.

¦wiêcicka I. 2003. Molecular typing by pulsed field gel electrophoresis of Bacillus thuringiensis from root voles. Curr. Microbiol. 46: 256 - 260.

Ksi±¿ek A., Konarzewski M., Chadziñska M., Cichoñ M. 2003. Costs of immune response in cold-stressed laboratory mice selected for high and low BMR. Proc. R. Soc. Lond. B 270: 2025-2031.

Buczek J., Gliñski Z., Buczek K., Kostro K., ¦wiêcicka I. 2002. Anthrax. Post. Microbiol. 41: 339-350 (in Polish).

¦wiêcicka I., Fiedoruk K., Bednarz G. 2002. The occurrence and properties of Bacillus thuringiensis isolated from free-living animals. Lett. Appl. Microbiol. 34: 194-198.

Buczek J., Buczek K., ¦wiêcicka I. 2002. Anthrax - pathogenesis and actual threat to humans and animals. Med. Wet. 58: 4-8 (in Polish).

Cichoñ M., Chadziñska M., Ksi±¿ek A., Konarzewski M. 2002. Delayed effects of cold stress on immune response in laboratory mice. Proc. R. Soc. Lond. B 269: 1493-1497.

Hauschild T., Kachniarz J., Buczek J. 2002. Bacteria isolated from sandboxes in the city. Med. Wet. 58: 513-516 (in Polish).

Mical A.H., ¦wiêcicka I., Godlewska A., Krotke A., Grudzieñ B. 2002. Miksotrofizm wolfii bezkorzeniowej, a oczyszczanie ¶cieków. Gosp.Wod. 3: 120-122.

Hauschild T. 2001. Phenotypic and genotypic identification of staphylococci isolated from wild small mammals. Syst. Appl. Microbiol. 24: 411-416.

¦wiêcicka I. 2001. Protein profile and biochemical properties of Bacillus circulans isolated from intestines of small free - living animals. Folia Microbiol. 46: 165 - 171.

¦wiêcicka I., Buczek J., Fiedoruk K. 2001. Bacillus thuringiensis - an insecticide. Med. Wet. 57: 859-862 (in Polish).

Zabielski P., Strumi³o S., ¦wiêcicka I. 2001. Termostability conditions and catalytic characterization of isocitrate dehydrogenase from Bacillus licheniformis. Biotechnologia 3: 219-230 (in Polish).

Szymañska K., Buczek J. 1999. Characteristics of the pathological properties of staphylococci. Med. Wet. 55: 590-594 (in Polish).

Dobrzañska J., Buczek J. 1999. Plasmid diversity in Salmonella spp. Annales UMCS 54: 143-153 (in Polish).



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