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Acta Biol Hung. 2001;52(2-3):335-43.

Genetic analysis in the asexual fungus Aspergillus niger.

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Department of Plant Sciences, Wageningen University, The Netherlands.


The genetics of A. niger has been developed since 1980. An overview is presented of the advances in developing methods and collecting data. Important tools have been a) the application of essentially different methods to isolate mutants, b) the adaptation to A. niger ofA. nidulans methodology for analysis of the parasexual cycle, c) the choice of marker genes, and in some cases the artificial introduction of such genes, to select homozygous segregants arising from mitotic recombination. With the use of parasexual recombination, a genetic linkage map of A. niger has been established. In total, 110 nuclear and 1 cytoplasmic (mitochondrial) markers are available. The application of A. niger genetics in applied research is illustrated by examples.

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