Silvia Minarikova Vavrova

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The giant liver fluke, Fascioloides magna, a liver parasite of free-living and domestic ruminants of Europe and North America, was analysed in order to determine the origin of European populations and to reveal the biogeography of this originally North American parasite on the European continent. The variable fragments of the mitochondrial cytochrome c(More)
The presence of tellurite resistance gene operons has been reported in several human pathogens despite the fact that tellurium, as well as its soluble salts, are both rare in nature and are no longer in use as antimicrobial agents. We have introduced the cloned terWZA-F genes from an uropathogenic Escherichia coli isolate into another clinical E. coli(More)
We have found and sequenced a significant part of the previously described tellurite resistance determinant on mini-Mu derivative pPR46, named pNT3B, originally cloned from a large conjugative plasmid pTE53, found in Escherichia coli. This plasmid contains genes essential for tellurite resistance, together with the protective region bearing genes terX, Y,(More)
The enzyme CP4 5-enolpyruvyl shikimate-3-phosphate synthase (EPSPS; EC 2.5.1.19) from Agrobacterium tumefaciens CP4, encoded by the aroA gene, has been used for the construction of genetically modified crops resistant to total herbicide glyphosate. During the study of possible horizontal gene transfer of aroA CP4 gene from genetically modified food in(More)
The ter operon, which is found on a large conjugative plasmid, pTE53, from the uropathogenic strain Escherichia coli KL53, mediates heavy metal ion resistance to tellurium compounds. Here we present the function of the terW gene, which is transcribed from its own promoter in the opposite direction to the terZABCDE loci and encodes a protein of 155 amino(More)
Gene cluster “ter” conferring high tellurite resistance has been identified in various pathogenic bacteria including Escherichia coli O157:H7. However, the precise mechanism as well as the molecular function of the respective gene products is unclear. Here we describe protein–protein association and localization analyses of four essential Ter proteins(More)
The author analyzes trends in multiple births in Czechoslovakia between 1920 and 1974. The decline in the number of multiple births in Czechoslovakia and in other countries is investigated in relation to the change in age structure of mothers, family size, and use of oral contraceptives. The perinatal mortality rate in cases of multiple births is also(More)
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