Rhizopus schipperae, sp. nov., a new agent of zygomycosis

I. Weitzman, D. A. McGough, M. G. Rinaldi, P. Della-Latta

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


A new species of Rhizopus, R. schipperae sp. nov., is described in this report. The isolate was recovered from the bronchial wash and lung specimens from a patient with myeloma. Typical hyphae suggestive of zygomycosis (mucormycosis) were observed in both specimens. Morphologically, the species belongs to the R. microsporus complex and is closest to R. microsporus var. microsporus, although it shares some characteristics of R. caespitosus of that complex and Amylomyces rouxii. However, there are sufficient differences from all these taxa to warrant creating a new taxon. Distinguishing characteristics include the production of sporangia on a limited range of media, best on Czapek, where it produces up to 10 sporangiophores arising from a cluster of rhizoids. Only chlamydospores and hyphae were produced on all the other mycological media tested. Growth occurs on potato-dextrose agar at 45°C but not at 48°-50°C, optimal development was observed at 30-35°C.

Original languageEnglish (US)
Pages (from-to)217-225
Number of pages9
StatePublished - Jul 1996
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science


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