
Bei der Suche nach potenziellen strukturellen und metabolischen Zielmolekülen für antilisterielle und allgemein antimikrobielle Substanzen wurde eine durch Insertionsduplikationsmutagenese erzeugte L. monocytogenes EGD Mutantenbank auf Attenuation in Bezug auf die intrazelluläre Replikation in humanen Epithelzellen untersucht. Es wurden 160 mögliche Targets identifiziert, die in den Stofftransport und den allgemeinen Stoffwechsel involviert sind und Listerien eine extreme metabolische Flexibilität verleihen. Bei ihrer Charakterisierung stellten sich der Thiamintransport sowie die Enzyme der Thiaminsynthese, des Glycerolstoffwechsels als auch der Teichonsäuren-Biosynthese als mögliche Angriffsziele heraus. In the search for potential structural and metabolic target molecules for antilisterial and general antimicrobial substances, a L. monocytogenes EGD mutant bank generated by insertion-duplication-mutagenesis was screened for strains attenuated intracellular replication in human epithelial cells. Upon subsequent analysis, 160 genes were identified that are predominately are involved in the transport of nutrients and the general metabolism of Listeria, indicating the outstanding metabolic flexibility of this pathogen. Upon characterization of these mutants, enzymes involved in the thiamine transport, the thiamine synthesis, the glycerol metabolism and the teichoic acid biosynthesis revealed as potential targets.
<em>Listeria monocytogenes</em>, Insertionsmutantenbank, Thiamin, Teichonsäuen<em></em>, Biowissenschaften, Biologie, Naturwissenschaften, <em>Listeria monocytogenes</em>, insertion mutant library, thiamine, teichoic acids, ddc: ddc:570, ddc: ddc:500
<em>Listeria monocytogenes</em>, Insertionsmutantenbank, Thiamin, Teichonsäuen<em></em>, Biowissenschaften, Biologie, Naturwissenschaften, <em>Listeria monocytogenes</em>, insertion mutant library, thiamine, teichoic acids, ddc: ddc:570, ddc: ddc:500
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