Abstract
Twenty-one strains of catalase-negative campylobacters from paediatric blood cultures were characterized by one-dimensional SDS-PAGE of cellular proteins. A further 11 Campylobacter strains were included for reference purposes. The partial protein patterns were used as the basis of a numerical analysis, which showed that 17 hippurate-negative strains had a high similarity to 'C. upsaliensis' (r greater than or equal to 0.82) irrespective of their geographical location, and that three hippurate-positive isolates had a high similarity (r greater than or equal to 0.87) to C. jejuni subsp. jejuni. One hippurate-positive CNW strain was not identified. The analysis of SDS-PAGE protein patterns proved an excellent method of characterizing these thermophilic campylobacter as they were difficult to identify by traditional methods.
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