National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Interactions among free-living prokaryotes and protists in microbial communities
Jirouchová, Kateřina ; Pánek, Tomáš (advisor) ; Fiala, Ivan (referee)
Protists and prokaryotes live in the natural environment in complex microbial communities whose members interact with each other. These communities consist of a few to many species that interact with each other in many ways such as predation/prey, ecto/endosymbiosis, parasitism, modulation of development or behaviour and harmful algicidal/bactericidal interactions, resulting in a complex network of interactions that influence structure of the microbial community as well as metabolism and behaviour of present species. This bachelor thesis is an overview of the interactions between free-living protists and prokaryotes within microbial communities, excluding well-studied interactions such as predation, parasitism, and ecto/endosymbiosis, while focusing on the diversity of lesser- known interactions, highlighting their importance and future research opportunities.
The interaction of Streptomyces-like bacteria and model microorganisms in secondary metabolite production, motility and hemolytic activities - Experimental
WURZER, Theresa
In this thesis, environmental and clinical Streptomyces strains were used to test the hypothesis if isolates from different isolation sources vary in frequency of beta-hemolytic activity. Moreover, their interaction with two human pathogens Pseudomonas aeruginosa and Staphylococcus aureus was tested in parallel and T-type co-cultivations. For this, the responses (beta-hemolytic activity, growth, etc.) of both streptomycetes as well as model pathogens were evaluated. Furthermore, the frequency of observed interaction patterns with tested pathogens were compared between environmental and clinical Streptomyces strains as such study is lacking.

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