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RESTRICTION ENZYME AND SOUTHERN HYBRIDIZATION ANALYSES OF PSEUDOMONAS-AERUGINOSA STRAINS FROM PATIENTS WITH CYSTIC-FIBROSIS JOURNAL OF CLINICAL MICROBIOLOGY Loutit, J. S., Tompkins, L. S. 1991; 29 (12): 2897-2900

Abstract

Conventional typing schemes for Pseudomonas aeruginosa may not discriminate strains. P. aeruginosa isolates from patients with cystic fibrosis were examined by restriction enzyme analysis and Southern hybridization. There was marked diversity of restriction enzyme analysis patterns among P. aeruginosa DNAs from cystic fibrosis isolates; however, sequential isolates obtained from individual patients showed very little variation over an 8-year period. DNA fragments from the alginate biosynthesis gene complex, the exotoxin A gene, and the elastase gene of P. aeruginosa were used in Southern hybridization analysis. The patterns of hybridization to the elastase and algD gene probes were highly conserved in all isolates, therefore, these DNA fragments are not useful in discriminating strains, in contrast to the exotoxin A gene probe.

View details for Web of Science ID A1991GP88400046

View details for PubMedID 1684586