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신관철,고승주 한국균학회 1985 韓國菌學會誌 Vol.14 No.1
The mating system of monokaryotic isolates in Pleurotus sajor-caju was controlled by two incompatibility factors A and B of tetrapola mating system. The mycelia of dikaryotic isolates grew faster than those of their component monokaryons, but no correlation between dikaryotic and their component monokaryotic isolates was found. The primodia formed well on the potato dextrose agar (PDA) media not only in the dikaryotic isolates but also in the monokaryons under irradiated conditions. The dikaryotic isolates produced normal sporophores; however, the monokaryotic isolates produced abnormal sporophores when they were cultivated with sawdust substrates. Some dikaryotic isolates derived by mating between monokaryotic isolates showed high yields of sporophores more than those of parental strains. Both the dikaryotic mycelial growth rate and primodia formation number on the PDA plate showed significant correlation with its sporophore products on sawdust substrates.
한국산(韓國産) 자생(自生) Ganoderma lucidum의 형태적(形態的) 특성(特性)
신관철,박용환,서건식,차동열,Shin, Gwan Chull,Park, Yong Hwan,Seo, Geon Sik,Cha, Dong Yeul 충남대학교 농업과학연구소 1986 Korean Journal of Agricultural Science Vol.13 No.1
A total number of 916 fruiting bodies of Ganoderma lucidum (Fr.) Karsten grown naturally in Korea were collected to investigate the morphological characters and some other useful characters related to the quality of the fungus and the results obtained are summarized as follows; The host tree showing the highest parasitic rate by the Genoderma lucidum(Fr.) Karsten was oak tree and the parasitic rate of the tree was 86.2%. The order of parasitic rate of the host trees by the fungus next to the oak was peach, chestnut, persimmon and acasia. The size, shape and color of fruiting bodies were varied according to the host trees. The average size of fruiting bodies collected was 40 to 100 mm by 30 to 80mm. The fruiting bodies with pileus size of 60 by 45 mm, pileus thickness of over 10mm, pileus minor axis/stipe length ratio of over 0.65 and pileus thickness/pileus minor axis ratio of over 0.22 were considered having higher commerical values. The external shape of the fruiting body was very important criterion to evaluate the quality of the Ganoderma lucidum (Fr.) Karsten. A great variation in characters such as pileus shape, color, marginal shape, zonation of pileus, pileus thickness, poroid layer of fruiting bodies and shape of stipe were observed from the fruiting bodies of G. lucidum collected in Korea. Further studies will be necessary for the genetic nature of these characters. Ganoderma lucidum (Fr.) Karsten (불로초(不老草), 영예)의 형태적(形態的) 특성(特性)을 구명(究明)하고 한국산(韓國産) 자생종(目生種)의 품질(品質)에 관계(關係)가 있는 형질(形質)을 조사(調査)하기 위하여 916점(點)의 영예를 수집(蒐集), 조사(調査)하였다. Ganoderma lucidum의 기생율(寄生率)은 참나무류가 전체의 86.2%였고 그 다음은 복사나무, 밤나무, 감나무, 아카시아나무 등(等)이었다. 기주(寄主)에 따라 자실체(字實體)의 크기, 형태, 색택에 차이가 있었다. 수집된 자실체(字實體)의 대부분(大部分)은 크기가 $40{\sim}100{\times}30{\sim}80mm$였고 자실체(字實體)의 갓의 크기는 $60{\times}45mm$ 이상(以上) 갓두께 10mm 이상(以上) 갓크기/대길이 율(率) 0.65 이상(以上) 갓두께/갓크기 율(率) 0.22 이상(以上)인 것이 상품가치가 높다. 영예자실체의 외형(外形)은 중요(重要)한 품질평가기준(品質評價基準)이다. 갓의 색택(色澤), 주연부의 모양, 갓의 윤문(輪紋), 갓의 두께 자실층형태(子實層形態), 대의 형태(形態)는 많은 변이(變異)를 보이고 있음이 관찰(觀察)되었다. 이 형질(形質)들이 유전성(遺傳性)인 것인지는 추후 구명(究明)되어야 한다.
영지(靈芝)버섯 균사(菌絲)의 원형질체(原形質體) 나출(裸出) 및 재생(再生)
신관철,여운형,유영복,박용환,Shin, Gwan Chull,Yeo, Un Hyung,Yoo, Young Bok,Park, Yong Hwan 충남대학교 농업과학연구소 1986 Korean Journal of Agricultural Science Vol.13 No.2
영지(靈芝)버섯의 유전(遺傳) 및 신품종(新品種) 육성(育成)을 위한 기초연구(基礎硏究)로서 원형질체(原形質體) 나출(裸出)에 미치는 몇가지 요인(要因) 구명(究明)하고 원형질체(原形質體)의 재생(再生)에 관한 실험(實驗)을 실시(實施)한 결과(結果)는 다음과 같다. 1. 영지(靈芝)버섯균(菌)의 원형질체(原形質體) 나출(裸出)에 적합(適合)한 배지(培地)는 균사생장(菌絲生長)이 빠르고 기생균사(氣生菌絲)의 발달(發達)이 양호(良好)한 SCM이었다. 2. 영지(靈芝)버섯균사(菌絲)의 세포벽(細胞壁) 분해효소(分解酵素)는 Novozym 234였고 최적농도(最適濃渡)는 $10mg{\cdot}ml^{-1}$이었으며 이때 원형질체(原形質體)의 나출수(裸出數)는 $10.47{\times}10^6ml^{-1}$이었다. 3. 원형질체(原形質體) 나출(裸出)을 위한 최적(最適) 삼투압조절제는 0.6 M Suaose였고 Kcl에서 나출(裸出)된 원형질체(原形質體)는 크기가 매우컸다. 4. 영지(靈芝)버섯균(菌)은 3일간(日間) 배양(培養)한 균사체(菌絲體)에서 원형질체(原形質體)의 형성(形成)이 최대(最大)였고 분해효소액과의 반응시간(反應時間)은 3시간(時間)이 가장 좋았다. 5. 나출(裸出)된 원형질체(原形質體)는 MCM, MMM 및 SCM 배지(培地)에서 0.2~0.27%의 재생율(再生率)을 보였다. 6. 원형질체(原形質體)에서 재생(再生)된 균주(菌株)의 13~29%는 Monokaryon 균주이었다. Some factors affecting the protoplast release from mycelia of Ganoderma lucidum and regeneration of the protoplast were investigated and the results obtained are summarized as follows; Novozym 234 as a lytic enzyme was the most effective for the protoplast release from mycelia of Ganoderma lucidu m and its optimal concentration was 10mg per ml of osmotic stabilizer. The highest number of protoplasts were released after 3 hours incubation in the reciprocal shaking bath at 120 oscillations a minute. Among six osmotic stabilizers tested, 0.6M sucrose showed the best result. SCM medium showed good mycelial growth and high yields of protoplasts. The protoplasts released from the mycelium of G. lucidum were regenerated at 0.20 to 0.27 percent on MCM, MMM and SCM. Of the cultures obtained from protoplasts regenerated, 13 to 29 percent were monokaryon.