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Production of sterigmatocystin by Aspergillus versicolor QM 432 used in fungus resistance tests for United States military specifications

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Abstract

A study was made to determine whether Aspergillus flavus (QM 380; NRRL 3537; ATCC 9643) and Aspergillus versicolor (QM 432; NRRL 573; ATCC 16,020), mold strains routinely combined in fungus resistance tests for United States military specification (MIL-STD-810B; MIL-STD-331A), were capable of producing aflatoxins or sterigmatocystin when grown separately or in mixed culture fermentations of cracked corn (11 days at 25 °C or 28 °C). Substantial quantities of sterigmatocystin (average of 3 replicates= 1,895 ppb) were detected when A. versicolor was the sole colonist. No sterigmatocystin was detected when A. versicolor was simultaneously inoculated with other molds. Aflatoxins were not detected in any of the treatment combinations.

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Authors and Affiliations

  1. U. S. Department of Agriculture, Northern Regional Research Center, Agricultural Research, Science and Education Administration, Peoria, Illinois, USA

    D. T. Wicklow, Gail M. Shannon & O. L. Shotwell

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  1. D. T. Wicklow
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  2. Gail M. Shannon
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  3. O. L. Shotwell
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The mention of firm names or trade products does not imply that they are endorsed or recommended by the U.S. Department of Agriculture over other firms or similar products not mentioned.

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Wicklow, D.T., Shannon, G.M. & Shotwell, O.L. Production of sterigmatocystin by Aspergillus versicolor QM 432 used in fungus resistance tests for United States military specifications. Mycopathologia 74, 25–27 (1981). https://doi.org/10.1007/BF00441438

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