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자외선 조사에 의한 느타리버섯과 사철느타리버섯 원형질체의 영양요구성 균주 선발에 관한 연구
박용환,유영복,죤페버디 한국균학회 1985 韓國菌學會誌 Vol.13 No.2
Mutagenesis of protoplast could serve a great potential tool for improvement of strains and genetics in higher fungi. For the isolation of auxotrophic mutants from protoplasts of Pleurotus ostreatus and Pleurotus florida, viability levels of ultraviolet lights were determined. Seven auxotrophs were obtained from protoplasts irradiating UV to give 0.83∼15% survival. The mutants showed a single requirement for each of Arg, Ribo-1, Ribo-2 or Phen for growth. Some of them showed two or three kinds of requirements, Gly Ser, Ade Hypo or Ala Orn Tryp for growth.
느타리버섯과 사철느타리버섯의 원형질체 재생 및 환원에 관한 연구
유영복,차동열,죤페버디 한국균학회 1985 韓國菌學會誌 Vol.13 No.2
The experiment of protoplast regeneration and reversion were undertaken to provide a basic techniques for protoplast manipulation. Protoplasts of Pleurotus florida and Pleurotus ostreatus were reverted to normal hyphal growth and the reversion frequency of both fungal protoplasts were 0.24∼3.19%. Reversion medium stabilized with 0.6 M potassium chloride and sucrose was better than the other stabilized one. The protoplast reversion frequency was increased when various amino acid and vitamin compounds were added to the hypertonic mushroom complete agar medium.
원형질 체융합에 의한 느타리버섯과 사철느타리버섯 체세포 잡종의 유전 분석
박용환,유영복,유창현,죤페버디 한국균학회 1985 韓國菌學會誌 Vol.14 No.1
Interspecific hybrids of Pleurotus ostreatus and Pleurotus florida were formed by using protoplasts of complementing auxotrophs. The genetic markers were shown to segregate and recombine in the first generation of monosporus isolates from basidiocarp of seven fusion products. The analysis provides proof of heterokaryosis and strong evidence for haploidy of vegetative nuclei, a sexual cycle consisting of nuclear fusion and meiosis. In all the crosses there was no evidence of linkage between the genetic markers. Clamp connections were formed in monosporus mycelia from basidiocarp of fusion products.