28553D

28553D
Caption: Thermophilic zygomycete fungus (Rhizomucor pusillus). This thermophilic zygomycete is readily recognizable by its characteristic, grey to grayish brown colored mycelium and by the development of yellow-brown sporangiophores (fruiting structures / sporangia). Seen here are 3 sporangiophores (sporangia) and numerous spores (sporangiospores / zygospores). Sporangia are generally globose with an oval or pear-shaped columella. The genus Rhizomucor is distinguished from the genus Mucor by the presence of stolons and poorly developed rhizoids at the base of the sporangiophores. Rhizomucor pusillus is a rare human pathogen, causing pulmonary or cutaneous types of infection. It is more often associated with animal disease. R. pusillus has a worldwide distribution and is commonly associated with compost heaps.
Magnification*: x160
Type: SEM
Copyright 2008 Dennis Kunkel Microscopy, Inc.
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