Choice CPES SV S4

This course is designed to deepen in small groups the fundamental molecular and cellular processes seen in the BMC2 and BMC3 courses by approaching them through more concrete notions. The lessons will be based on real data (experimental results, scientific articles) to simply explain the main scientific approaches and to learn how to analyze and interpret the results (Example 1: show an interaction in cellulo by expression of tagged proteins in cell lines followed by immunoprecipitation and western-blot. Example 2: principle of immunofluorescence, intracellular distribution of an antigen. Example 3: transcription and translation in vitro and study of interaction by GST-pull down). The practical exercises will illustrate some of these basic approaches: cell culture, construction of expression vectors, transfection, immunolabeling, fluorescence microscopy.   

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This course aims to broaden the knowledge acquired previously in different areas of microbiology, particularly in microbial ecology.

It will deal with pathogenic relationships, but will also present examples of symbiotic associations. It will address the applications of microorganisms in biotechnology. It will describe the mode of action of antibiotics and the associated resistance phenomena and their impact.

The EU will approach the notion of viral ecology by presenting the place and role of viruses in ecosystems. The case of bacteriophages will be treated more specifically and the mechanisms of resistance of bacteria to phagic infection will be detailed. The different types of viral infections in animals will be presented (acute and persistent infections) and illustrated through the study of the pathogenesis of selected viral infections.

The knowledge on microorganisms will be extended by the study of Archaea and a model eukaryotic organism, the yeast.

The practical work will focus on the realization of an antibiogram and its interpretation, and on the titration of bacteriophages.

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