감마방사선 조사에 의한 큰느타리버섯의 돌연변이 유발
Gamma ray irradiation mutagenesis was employed to get variants of Pleurotus eryngii with functionally enhanced and improved characteristics. Protoplasts released from P. eryngii were treated with gamma ray radiation under 0.25-1.25 KGy. Protoplast sample that showed fatality rate of 80% at the 0.25...
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Published in | Hangug gynnhaghoi ji Vol. 40; no. 2; pp. 93 - 97 |
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Main Authors | , , , , , , , , , |
Format | Journal Article |
Language | Korean |
Published |
한국균학회
01.06.2012
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Subjects | |
Online Access | Get full text |
ISSN | 0253-651X 2383-5249 |
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Abstract | Gamma ray irradiation mutagenesis was employed to get variants of Pleurotus eryngii with functionally enhanced and improved characteristics. Protoplasts released from P. eryngii were treated with gamma ray radiation under 0.25-1.25 KGy. Protoplast sample that showed fatality rate of 80% at the 0.25 KGy was spreaded on YPMGA (yeast, peptone, malt-extract, glucose, agar) and 500 mycelial colonies were randomly selected from the medium. Of them, 100 mutant strains with mycelial morphology and growth rate that differ to control strain were observed on PDA. The cellulase and laccase activity of 67 gamma ray-irradiated P. eryngii isolates with morphological variation were investigated. Among these, 5 isolates were higher cellulase. In addition, the genetic variation of the mutant strains was analyzed by PCR fingerprinting. 본 연구는 큰느타리버섯(Pleurotus eryngii)에 감마 방사선을 조사하여 형태적, 생리적 특성이 향상된 새로운 큰느타리버섯 품종을 개발하기 위하여 수행되었다. 큰느타리버섯에서 분리한 원형질체에 0.25-1.25 KGy의 감마 방사선을 조사하였다. 원형질체는 YPMGA 배지에서 80%의 치사율을 나타냈고 이들 중 무작위로 500개의 변이체를 선발하여 PDA 배지에 배양하였다. 그 결과, 대부분의 변이체가 대조구와 비슷한 형태와 생장률을 나타냈으며, 이 중 100개의 변이체가 대조구와 약간의 차이를 보였다. 67개 변이체에 대해 cellulase 활성과 laccase 활성을 조사하였다. 그 결과, 대체적으로 대조구와 유사한 효소 활성을 나타내었고, 5개의 변이체가 대조구에 비해 더 높은 cellulase 활성을 나타내었다. 또한 감마 방사선 조사 변이체의 유전적 변이를 조사하기 위하여 UFPF-PCR을 이용하여 다형성을 조사하였다. |
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AbstractList | Gamma ray irradiation mutagenesis was employed to get variants of Pleurotus eryngii with functionally enhanced and improved characteristics. Protoplasts released from P. eryngii were treated with gamma ray radiation under 0.25-1.25 KGy. Protoplast sample that showed fatality rate of 80% at the 0.25 KGy was spreaded on YPMGA (yeast, peptone, malt-extract, glucose, agar) and 500 mycelial colonies were randomly selected from the medium. Of them, 100 mutant strains with mycelial morphology and growth rate that differ to control strain were observed on PDA. The cellulase and laccase activity of 67 gamma ray-irradiated P. eryngii isolates with morphological variation were investigated. Among these, 5 isolates were higher cellulase. In addition, the genetic variation of the mutant strains was analyzed by PCR fingerprinting. 본 연구는 큰느타리버섯(Pleurotus eryngii)에 감마 방사선을 조사하여 형태적, 생리적 특성이 향상된 새로운 큰느타리버섯 품종을 개발하기 위하여 수행되었다. 큰느타리버섯에서 분리한 원형질체에 0.25-1.25 KGy의 감마 방사선을 조사하였다. 원형질체는 YPMGA 배지에서 80%의 치사율을 나타냈고 이들 중 무작위로 500개의 변이체를 선발하여 PDA 배지에 배양하였다. 그 결과, 대부분의 변이체가 대조구와 비슷한 형태와 생장률을 나타냈으며, 이 중 100개의 변이체가 대조구와 약간의 차이를 보였다. 67개 변이체에 대해 cellulase 활성과 laccase 활성을 조사하였다. 그 결과, 대체적으로 대조구와 유사한 효소 활성을 나타내었고, 5개의 변이체가 대조구에 비해 더 높은 cellulase 활성을 나타내었다. 또한 감마 방사선 조사 변이체의 유전적 변이를 조사하기 위하여 UFPF-PCR을 이용하여 다형성을 조사하였다. Gamma ray irradiation mutagenesis was employed to get variants of Pleurotus eryngii with functionally enhanced and improved characteristics. Protoplasts released from P. eryngii were treated with gamma ray radiation under 0.25-1.25 KGy. Protoplast sample that showed fatality rate of 80% at the 0.25 KGy was spreaded on YPMGA (yeast, peptone, malt-extract, glucose, agar) and 500 mycelial colonies were randomly selected from the medium. Of them, 100 mutant strains with mycelial morphology and growth rate that differ to control strain were observed on PDA. The cellulase and laccase activity of 67 gamma ray-irradiated P. eryngii isolates with morphological variation were investigated. Among these, 5 isolates were higher cellulase. In addition, the genetic variation of the mutant strains was analyzed by PCR fingerprinting. KCI Citation Count: 2 |
Author | 김일중 Kim, Jong-Kun Kang, Hee-Wan Kim, Il-Joong 이윤혜 김종군 임선화 강희완 Lim, Seon-Hwa Lee, Yun-Hae |
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Title | 감마방사선 조사에 의한 큰느타리버섯의 돌연변이 유발 |
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