Browsing by Person "Simon, Oliver"

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    Quantitative Proteomanalyse von Pseudomonaden zur Aufklärung biotechnologisch relevanter Stoffwechselwege
    (2013) Simon, Oliver; Huber, Armin
    The main focus of this work was a quantitative proteome analysis of a variety of Pseudomonas strains with respect to the biotechnological synthesis of the base chemicals glyoxylic acid, butanol and vanillin. In addition, effects of the terpene citronellol on the proteome of P. aeruginosa were investigated. A second key aspect of this work involved the establishment of proteomics methods for the analysis of complex samples, especially for the analysis of membrane proteins. Using carbonate extraction followed by label-free MS-based quantification allowed the identification and quantification of a significant number of hydrophobic proteins which were not covered by the 2D-DIGE approach. In addition, the GeLCMSMS workflow was found to be a simple and efficient method for the analysis of total bacterial lysates. Using this method, about 30% of all proteins encoded by the P. putida KT2440 genome could be identified and quantified. In conclusion, this work demonstrated that different proteomics methods can substantially contribute to biotechnological strain development and the understanding of cellular networks.