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Nitrate-nonutilizing mutants and vegetative self-incompatibility in Cunninghamella echinulata var. elegans

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Abstract

Cunninghamella echinulata var. elegans is a model system for the study of metabolism of toxic compounds. Unlike most other zygomycete fungi, Cunninghamella can use nitrate as a sole N source. We generated nitrate-nonutilizing (Nit-) mutants in three isolates of C. echinulata var. elegans. Mutants at the niaD and nirA- loci were unable to complement each other, suggesting that this fungus is vegetatively self-incompatible. Vegetative self-incompatibility may prove advantageous for using Cunninghamella for in situ bioremediation. © Rapid Science Ltd. 1998

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Authors and Affiliations

  1. Dept. of Biology, University of Puerto Rico-Río Piedras, San Juan, Mexico

    Paul Bayman

  2. Dept. of Cell & Molecular Biology, Tulane University, New Orleans, LA, USA

    Joan W. Bennett

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  1. Paul Bayman
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  2. Joan W. Bennett
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Bayman, P., Bennett, J.W. Nitrate-nonutilizing mutants and vegetative self-incompatibility in Cunninghamella echinulata var. elegans. Biotechnology Letters 20, 901–903 (1998). https://doi.org/10.1023/A:1005400623286

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