| prevalence, conservation and functional analysis of yersinia and escherichia crispr regions in clinical pseudomonas aeruginosa isolates. | here, we report the characterization of 122 pseudomonas aeruginosa clinical isolates from three distinct geographical locations: dartmouth hitchcock medical center in new hampshire, usa, the charles t. campbell eye microbiology lab at the university of pittsburgh medical center, usa, and the aravind eye hospital in madurai, india. we identified and located clustered regularly interspaced short palindromic repeats (crispr) in 45/122 clinical isolates and sequenced these crispr, finding that yersi ... | 2010 | 21081758 |