MVDr. Jiří Šimůnek, CSc.

Education

1989 Ph.D. Thesis: Manipulation of the Rumen Fermentation.
1976-1982 Veterinary and Pharmaceutical University Brno

 

Professional experience

2000-now Independent research worker, Institute of Animal Physiology and Genetics, AS CR, v.v.i., Prague
1989-2000 Research worker, Institute of Animal Physiology and Genetics, AS CR, v.v.i., Prague
1983-1989 Specialist, Institute of Animal Physiology and Genetics, AS CR, v.v.i., Prague

 

Major scientific interests

  • Microbiology and biochemistry of anaerobic bacteria from the animal and human digestive tract
  • chitin enzyme degradation
  • chitinases
  • chitinolytic bacteria of the human and animal gastrointestinal tract

 

Fellowships, prizes

2011 3rd Award Prize for poster presentation, conference EUCHIS 2011, St. Petersburg
2009 3rd Award Prize for poster presentation, conference EUCHIS 2009, Venice

 

Research fellowships and study visits

1995-1996 The Kielanowski Institute of Animal Physiology and Nutrition, Jablona, Poland
1989 Rowett Research Institute, Aberdeen, Scotland, U.K.
1988 Institute of Animal Physiology, Alma-Ata, Kazakhstan
1987 Institute of Animal Physiology and biochemistry, Lviv, Ukraine

 

Publications

2011 Tishchenko G., Šimůnek J., Bartoňová H., Dušková J., Dohnálek J.: Sample preparation in separation of the extracellular chitinolytic enzymes of the human intestinal bacterium Clostridium paraputrificum J4 from the culture fluids. J. Chromatography B, 879: 2175-2178
  Tishchenko G., Šimůnek J., Brus J., Netopilík M., Pekárek M., Walterová Z., Koppová I., Lenfeld J.: Low-molecular-weight-chitosans: Preparation and characterization. Carbohydrate Polymers, 86:1077-1081
  Dušková J., Tishchenko G., Ponomareva E., Šimůnek J., Koppová I., Skálová T., Šťěpánková A., Hašek J., Dohnálek J.: Chitinolytic enzymes from bacterium inhabiting human gastrointestinal tract – critical parameters of protein isolation from anaerobic culture. Acta Biochima Polonica 58:261-263
2010 Mrázek J., Koppová I., Kopečný J., Šimůnek J., Fliegerová K: PCR-DGGE based study of fecal microbial stability during the long-term chitosan supplementation of human. Folia Microbiologica 55:352-358
  Tishchenko G., Koppová I., Šimůnek J., Dohnálek J.: Extracellular comlex of chitinolytic enzymes of Clostridium paraputrificum strain J4 separated by membrane ultrafiltration, Folia Microbiologica 55:386-389
  Šimůnek J., Koppová I., Lukáš F., Tishchenko G., Belzecki G.: The antimicrobial action of low-molar-mass chitosan, chitosan derivatives and chitooligosaccharides on bifidobacteria. Folia Microbiol. 55: 379-382
  Tishchenko G., Koppová I.: Chitinolytic activities of Clostridium sp. JM2 isolated from stool of human administered per orally by chitosan, Folia Microbiologica 53:249-254
  Lukáš F., Šimůnek J., Mrázek J., Kopečný J.: PCR-DGGE Analysis of bacterial population attached to the bovine rumen wall. Folia Microbiol. 55: 345-348
2008 Šimůnek J., Tishchenko G., Koppová I.: Chitinolytic activities of Clostridium sp. JM2 isolated from stool of human administered per orally by chitosan, Folia Microbiologica 53:249-254
  Belzecki G., Miltko R., Michalowski T., Šimůnek J., Kopečný J.: chitinolytic aktivity of the sheep rumen ciliate Diploplastron affine. Folia Microbiol. 53: 201-203
2007 Kopečný J., Šimůnek J.: Chitosan application in food preparation and digestion. Adv. Chitin Sci. X, Senel S., Varum KM, Sumnu MM, Hincal AA, Eds., alp Offset, Ankara, pp. 467-473