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  Antibiotic Pulse Experiments of a 3-species Mixed Culture : Experimental Results and Mathematical Modelling

Riedele, C., Schmidt, J. K., Geisler, L., & Reichl, U. (2008). Antibiotic Pulse Experiments of a 3-species Mixed Culture: Experimental Results and Mathematical Modelling. Talk presented at Analysis of Microbial Cells at the Single Cell Level. Bad Schandau, Germany. 2008-05-22 - 2008-05-25.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9565-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0025-0B5A-6
Genre: Talk

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 Creators:
Riedele, C.1, Author              
Schmidt, J. K.1, Author              
Geisler, L.1, Author              
Reichl, U.1, 2, Author              
Affiliations:
1Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738140              
2Otto-von-Guericke-Universität Magdeburg, ou_1738156              

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 Abstract: Pseudomonas aeruginosa, Burkholderia cepacia and Staphylococcus aureus are opportunistic infectants, which occur as mixed cultures in the lungs of cystic fibrosis (CF) patients. Knowledge on possible interactions and growth characteristics of the microbial community in the lung obviously cannot be obtained in situ. It would be very desirable to be able to predict the mixed culture’s reaction, e.g. on antibiotic treatment, for optimal therapy of patients. We established a mixed culture in a chemostat bioreactor and use it as a model system related to the microbial community in CF lungs [1]. Our experimental setup ensures defined and controllable conditions for the mixed culture. With comprehensive quantitative analytical methods we study bacterial growth characteristics and metabolic activity. For quantification the species specific cell number a T-RFLP method was developed and optimized [1]. In combination with mathematical modelling we focus on identifying microbial interactions and analyze the dynamics of the system, e.g. by disturbing the quasi steady state in chemostat experiments. Here, we show results of antibiotic pulse experiments in batch culture. We use mathematical models to describe the results of the single culture experiments and compare it with results from mixed culture experiments.

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Language(s): eng - English
 Dates: 2008
 Publication Status: Not specified
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 367118
Other: RiedeleSchmidtGeislerReichl2008b
 Degree: -

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Title: Analysis of Microbial Cells at the Single Cell Level
Place of Event: Bad Schandau, Germany
Start-/End Date: 2008-05-22 - 2008-05-25

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