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Interrogating Antagonistic Differences Among Pseudomonas Aeruginosa Cdia Alleles, Haotian Yang
Interrogating Antagonistic Differences Among Pseudomonas Aeruginosa Cdia Alleles, Haotian Yang
Master's Theses
Bacteria are complex social organisms that live within mixed communities where microorganisms compete for limited resources. We studied Contact-Dependent Growth Inhibition (CDI), a particular type of competition mediated by a type 5b, or two-partner, secretion system that is widely spread among Gram-negative bacteria. CdiB and CdiA make up the two-partner secretion system that mediates CDI. CdiB translocates CdiA to the cell surface, and CdiA delivers its C-terminal toxin domain to the target cell. The C-terminal toxin (Tox) domain of CdiA is highly diverse. We studied Tox domains of various Pseudomonas aeruginosa clinical isolates. We found different strains that contain unique …