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School of Molecular & Biomedical Science |
Rhizopus azygosporusRhizopus azygosporus is closely related to R. microsporus (Yuan and Jong 1984) and has been reported as the causative agent of 3 fatal cases of gastrointestinal infection in premature babies (Woodward et al. 1992, Schipper et al. 1996). Previously, this fungus was only known from its type culture, which has been isolated from tempeh, a solid fermented soybean food from Indonesia (Yuan and Jong 1984). Colonies are whitish to grey-black, producing pale-brown simple rhizoids. Sporangiophores are brownish, up to 350 µm high and 6-14 µm wide. Sporangia are greyish-black, spherical and 50-100 µm in diameter. Columellae are subglobose to globose. Sporangiospores are ovoid to ellipsoidal 4-5 to 6-7 µm in diameter with faint striations. Azygospores are pale to dark-brown, spherical to subglobose, 30–70 µm in diameter, with coarse conical projections. All strains produce abundant azygospores in unmated isolates as a species characteristic. There is good growth at 45OC with a maximum of 46-48C. RG-2 organism. Mycosis: ZygomycosisFurther reading:Domsch, K.H., W. Gams, and T.H. Anderson. 1980. Compendium of soil fungi. Volume 1. Academic Press, London, UK. Ellis, D.H. 1997. Zygomycetes. Chapter 16 In Topley and Wilson's Microbiology and Microbial Infections. 9th edition Edward Arnold London pp247-277.
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