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Charakteristika a detekce bakterií Xanthomonas campestris a jejich využití v potravinářství
Olahová, Karolína
This bachelor thesis is concerned with characteristic of fytopathogenic bacterial species Xanthomonas campestris and its usage. This species can be divided into many pathovars that causes serious bacterial diseases. The most common disease is bacterial leaf spot. Agricultural production is more influenced by black rot of cruciferous plants. Due to this diseases, it is important to deal with detection and plant protection against these pathogenes. Sophisticated methodes of molecular detection allows fast and precise determination not only of bacterial species, but also its pathovars. The most frequent method is PCR or methods that are based on PCR. Bacteria Xanthomonas campestris has also a positive impact because of the production of exopolysacharide xanthan. This substance is offten used in many industry sectors due to its characteristics.
ANTIBACTERIAL EFFECT OF SELECTED NANOPARTICLES AS REVEALED BY DOUBLING TIME OF TREATED ANTHOMONAS CAMESTRIS PV. CAMPESTRIS CULTURES
Pečenka, J. ; Svobodová, Kateřina ; Eichmeier, A. ; Baránek, M.
Besides many possibilities of applications of nanoparticles in the field of medicine, diagnostics, molecular biology, bioorganic chemistry or remediation of environment, there is also a potential of employment of nanoparticles as a tool for elimination and control of bacteria invading plant tissue. In this experiment an antibacterial activity of selected nanoparticles based on silver, gold and bimetallic silver/copper was tested on bacteria Xanthomonas campestris pv. campestris (Xcc) (strain 1279a). The strongest inhibitory effect represented by doubling time of treated cultures was measured in the presence of the smallest silver nanoparticles (9 nm) at the highest concentration (5 ppm).

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