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Taxonomic Implication of Hybridization of Penicillium Protoplasts

  • Jozef Anné
Chapter
Part of the NATO ASI Series book series (NSSA, volume 102)

Summary

Protoplasts of distinct Penicillium species can be fused and their fusion products eventually give rise to interspecific heterokaryons and hybrids. The morphology, stability and segregation pattern of the heterokaryons and their nuclear fusion progenies varies depending on the species involved in the cross.

Fusions between related species resulted in heterokaryotic and diploid-like progeny resembling that of normal parasexual cycle. Heterokaryons produced between less related species were slowly growing or lethal and recombination rarely occurred. Such variation in viability and recombination ability of different interspecific fusion progeny imply gradations in somatic compatibility and genome homology between species and they suggest the applicability of interspecific protoplast fusion experiments in Penicillium taxonomy.

Keywords

Interspecific Hybrid Somatic Hybridization Segregation Pattern Fusion Product Aspergillus Nidulans 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1986

Authors and Affiliations

  • Jozef Anné
    • 1
  1. 1.Rega InstituteKatholieke UniversiteitLeuvenBelgium

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