Nondegradative pisatin-resistance inDictyostelium discoideum, Neurospora crassa andNectria haematococca: Similarities and differences
Paradoxically, on pisatin-medium (150 μg/ml) the cellular slime mouldDictyostelium discoideum grows only when plated as spores but not when plated as amoebae. The recent discovery of inducible nondegradativc pisatin resistance in amoebae has allowed us to formulate a model that resolves this paradox. In this model, the germinating amoeba is postulated to acquire a pisatin-resistance phenotype while ensconced within the spore wall. This article reviews the findings on which this model is based and extends it to also account for the differences in pisatin sensitivity phenotype that result from sterol alteration in cellular slime moulds and fungi.
Volume 45, 2020
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