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The Apicomplexa are a diverse group of intracellular parasitic protists. The majority of species from the classes Coccidea, Haemosporea and Piroplasmea are responsible for widespread diseases of humans and domestic animals. Oocysts of these parasites can persist for long periods of time in the environment (i.e. in water, soil, on vegetation and other food resources), maintaining their infectivity...
The increasing, problem of antibiotic resistance among pathogenic bacteria requires development of new antimicrobial agents. Synthesis and experimental application of the hybrids peptides may be one of the interesting possibilities in antimicrobial treatment. The aim of the present investigation is to determinate in vitro activities of two synthetic peptide amides: cecropin-melittin hybrid peptide...
Along with progress of medicine, contribution that opportunistic bacteria make in nosocomial infections increases. Coagulase-negative staphylococci are these multiresistant strains which often cause this kind of infections. But more and more frequently other genera of bacteria are isolated. The main source of them is first and foremost the hospitalized patient's endogenous flora e.g. from their skin,...
In this preliminary report we show that a 29 kDa surface protein of Listeria monocytogenes EGD removed from cells with 4 M LiCl has peptidoglycan (murein) hydrolyzing activity, as revealed by zymographic analysis using Bacillus subtilis murein and heat-killed Micrococcus luteus cells casted in the gel. Following two-dimensional electrophoresis, the protein was electroblotted to PVDF membrane and its...
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