The one-dimensional whole-cell protein patterns and a variety of biochemical characteristics of the type and reference strains of and were studied. All the data revealed that strain of both species were indistinguishable. Reported differences in haemolytic activity and presence of Lancefield antigens were not reproduced. All strains were α-haemolytic. The type strain possessed the group G antigen, but a second reference strain and all of the strains possessed the group D antigen. All strains produced urease activity (albeit some after prolonged incubation), a characteristic considered important for . Given the congruence between wholecell protein electrophoresis and percentage of DNA-DNA hybridization, these data suggest that Robinson . 1988 is a junior synonym of Farrow . 1984.


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