| streptococcus didelphis sp. nov., a streptococcus with marked catalase activity isolated from opossums (didelphis virginiana) with suppurative dermatitis and liver fibrosis. | beta-haemolytic, catalase-positive, gram-positive cocci that formed chains in broth media but did not react with lancefield group antisera were isolated from skin lesions, spleen, liver and lungs of nine opossums, including eight from a research colony and one from a wildlife rehabilitation organization. the isolates had vigorous catalase activity that was retained on initial passage on non-blood-containing media, but this activity was lost in subsequent passages. the use of standard phenotypic ... | 2000 | 10758886 |