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      Parasexual recombination in fungi

      Journal of Genetics
      Springer Nature America, Inc

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          Genetic analysis and the construction of master strains for assignment of genes to six linkage groups in Aspergillus niger.

          A start has been made on establishing a collection of Aspergillus niger colour and auxotrophic mutants with an isogenic background for use as a source of genetic markers. All strains have short conidiophores (csp A1), which makes them easy to handle on test plates. Genetic markers were combined stepwise by somatic recombination. Somatic diploids were obtained at frequencies of 10(-6) -10(-5) with conidiospores collected from a heterokaryon. The haploidization of heterozygous diploids was induced by benomyl. For unlinked markers, the frequency of recombinants varied from 35%-65%. Low frequencies of recombinants were found between markers on a same chromosome, but this was sometimes disturbed by mitotic crossing-over during an early stage of the diploid. Master strains were constructed having markers for six linkage groups.
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            Genetic recombination without sexual reproduction in Aspergillus niger.

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              Benlate-induced instability of Aspergillus diploids.

              C. Hastie (1970)
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                Author and article information

                Journal
                Journal of Genetics
                J. Genet.
                Springer Nature America, Inc
                0022-1333
                December 1996
                December 1996
                : 75
                : 3
                : 281-286
                Article
                10.1007/BF02966308
                c882d104-aa0c-4a3c-a576-94bc5520f7e0
                © 1996
                History

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