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厚环乳牛肝的原生质体分离与再生 被引量:4

lsolation and Regeneration of Protoplasts from Ectomycorrhizal Fungus Suillus grevillei
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摘要 探讨了外生菌根菌耳环乳牛肝(Suillusgrevillei)的原生质体制备及再生条件。用MYG培养基培养菌丝7天、宋用1.5%Lywallzyme,以0.6mol甘露醇为稳渗剂,在酶解液pN值5.5,温度31℃,酶解4hr的条件下,每0.1g湿菌丝的原生质体产量这6×10 ̄6/ml。用SO培养基培养菌丝能提高原生质体产量,但再生率下降。综合产量和再生率考虑以MYG培养菌丝效果较好。 Conditions for preparingthe protoplasts from mycelia of ectomycorrhizal fungus SMillus grevillei were examined.The highest production of protoplasts(6 ×10 ̄6/ml per 0.1g fresh mycelia) was abtained with the enzyme mixture of pH 5.5 containing 1.5% Lywallzyme,0.6mnol/L mannitol as osmotic stabilizer,and incubated at 31℃, from 7-day age mycelia cultured in MYG medium. UsingSO miedium instead of MYG doubled the protoplast productlon, but markedly decreased the plating efficiency. It is concl-uded that MYG is a better medium than SO for the preparation of protoplasts from Suillus previlllei.
机构地区 东北林业大学
出处 《中国食用菌》 1994年第2期24-26,共3页 Edible Fungi of China
基金 国家教委资助基金
关键词 牛肝菌 原生质体 制备 细胞工程 Ectomycorrhizal fungi Protopiast prepartion Cytological engi-neering
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