Mycobiology

The Korean Society of Mycology (한국균학회)
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Heterothallic Type of Mating System for Cordyceps cardinalis

  • Sung, Gi-Ho (Mushroom Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Shrestha, Bhushan (Green Energy Mission/Nepal, Anam Nagar) ;
  • Han, Sang-Kuk (Division of Forest Biodiversity, Korea National Arboretum) ;
  • Kim, Soo-Young (Donghae Agricultural Technology Center) ;
  • Sung, Jae-Mo (Cordyceps Institute of Mushtech)
  • Received : 2010.08.17
  • Accepted : 2010.11.02
  • Published : 2010.12.31
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Abstract

Cordyceps cardinalis successfully produced its fruiting bodies from multi-ascospore isolates. However, subcultures of multiascospore isolates could not produce fruiting bodies after few generations. Fruiting body production also differed from sector to sector of the same isolate. Single ascospore isolates were then co-inoculated in combinations of two to observe the fruiting characteristics. Combinations of certain isolates produced perithecial stromata formation, whereas other combinations did not produce any fruiting bodies. These results show that C. cardinalis is a heterothallic fungus, requiring two isolates of opposite mating types for fruiting body production. It was also shown that single ascospore isolates are hermaphrodites.

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References

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