Abstract

Abstract A description is provided for Absidia corymbifera . Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: A common saprophyte in soil, compost and vegetable debris but also pathogenic for man and warm-blooded animals (causing mycoses). DISEASES: This species is a common cause of phycomycosis (syn. 'mucormycosis'). Infection in man may involve the central nervous system (RMVM 1, 341), ear (1, 473) or lung (5, 159); see also Dodge (1936), p. 112; Emmons et al. (1963), p. 194. In cattle it is a cause of mycotic abortion (Ainsworth & Austwick (1959), p. 53; 4, 507) and has been recorded in the rumen (4, 1850), causing abomasal ulcers (Gitter & Austwick, 1959) and also lymph node infection (3, 134). In the guineapig, A. corymbifera can cause an enlargement of the lymph nodes which simulates pseudotuberculosis (2, 1721; Ainsworth & Austwick (1959), p. 48). Infection of mink, fowl (Ainsworth & Austwick (1959), pp. 48-49) and the pig (3, 1249) have been recorded, as has experimental infection of mice (2, 1917). GEOGRAPHICAL DISTRIBUTION: World-wide. TRANSMISSION: Infection occurs from airborne spores which are a characteristic component of the airspora of farm buildings.

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