Abstract
Abstract A description is provided for Rhizopus rhizopodiformis . Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: From soil and bread, and pathogenic to man and warm blooded animals (causing mycoses). DISEASE: Has been isolated from a subcutaneous infection in a diabetic woman (RMVM 4, 1733); from phycomycosis in a pig (RMVM 8, 885, as R. cohnii ); from horse (Costantin & Lucet, 1903, as R. equinus ), this isolate being pathogenic to rabbits; and from domestic animals (RMVM 1, 215). It is reported as a cause of bovine mycotic abortion (Ballarini, 1955, as R. equinus ) and has been isolated from bovine fetal lung membranes and digestive tract (Smith, 1920, as Mucor rhizopodiformis ). Three isolates labelled R. microsporus in Herb. IMI proved to be R. rhizopodiformis , one from phycomycosis in man, S. Africa (RMVM 4, 882), one from lung of pullet, UK (Ainsworth & Austwick, 1955) and one from gastric infection in pig, UK (Gitter & Austwick, 1959). It is experimentally pathogenic to rats, causing phycomycotic pneumonitis (RMVM 9, 1572), to alloxan-diabetic rabbits (RMVM 7, 2628, as R. cohnii and R. chinensis ) and to rhesus monkeys when they are treated with prednisolone after infection (RMVM 9, 1573). GEOGRAPHICAL DISTRIBUTION: Germany, Ghana, India, Italy, Nigeria, Sierra Leone, South Africa, Sudan, UK, USA. TRANSMISSION: By air-borne sporangiospores.
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