aspergillus

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(ăs'pər-jĭl'əs) pronunciation
n., pl., -gil·li (-jĭl'ī').
Any of various fungi of the genus Aspergillus, which includes many common molds.

[New Latin Aspergillus, genus name, from aspergillum, aspergillum (from its resemblance to an aspergillum brush). See aspergillum.]



a genus of filamentous fungi containing species of industrial and genetic importance. A. niger and A. oryzae are used in the production of citric acid, industrial enzymes, and fermented foods. The sexual species A. nidulans has been an important research tool in both biochemical and mitochondrial genetics. A. flavus is a source of aflatoxins.

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A genus of fungi (molds), several species of which are parasitic and opportunistic pathogens. Others produce toxins and when they contaminate animal feeds they can cause heavy losses. Includes A. amstelodami, A. chevalieri, A. clavatus, A. flavus oryzae, A. fumigatus, A. maydis, A. niger, A. ochraceus, A. parasiticus, A. taumanii, A. wentii.

  • A. fumigatus — a cause of respiratory tract disease in many species. See airsacculitis, aspergillosis.
  • A. nidulans, A. versicolor — produce known carcinogenic toxin, sterigmatocystin.
  • A. terreus — a cause of fescue foot and the most common cause of canine disseminated aspergillosis.
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