한국균학회지 (The Korean Journal of Mycology)

  • 제39권1호
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  • Pages.48-52
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  • 2011
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  • 0253-651X(pISSN)
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  • 2383-5249(eISSN)
한국균학회 (The Korean Society of Mycology)
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표고 교잡균주들의 세포외 laccase 활성 검출에 미치는 배지성상과 발색반응 시약의 영향 분석

Analysis of the Effect of Media Types and Chromagenic Chemicals on the Detection of Extracellular Laccase Activity among Lentinula edodes Strains

  • 투고 : 2011.03.17
  • 심사 : 2011.03.21
  • 발행 : 2011.04.01
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초록

본 연구에서는 표고 교잡균주들의 생화학적 특성을 이해하기 위한 하나의 시도로서 교잡균주간의 laccase 효소의 활성을 비교하는 빠르고 간편한 방법을 모색하고자 균사체 배양 배지의 성상과 염색물질이 laccase 활성 검출에 미치는 영향을 조사 비교하였다. 고체배지와 액체배지 모두에서 발색시약이 Remazol Brilliant Blue R(RBBR)일 경우는 potato dextrose 성분 보다 malt extract 성분 배지를 사용하는 것이 표고버섯균 균사가 분비하는 세포외 laccase 활성 검출이 용이하였다. Guaiacol을 발색시약으로 사용하는 경우는 potato dextrose 성분과 malt extract 성분 배지 모두 세포외 laccase 활성 검출이 용이하였다. 2ml microfuge tube를 이용한 액체 배양 방법은 RBBR와 Guaiacol 모두 malt extract 성분배지에서 3일만에 표고 교잡균주간의 세포외 laccase 활성 검출과 정량적 비교를 가능케 하였다.

Breeding of Lentinula edodes generates a number of hybrid strains that are subject to evaluation for good traits for the mushroom production. As an effort to understand biochemical properties of the hybrid strains, this study tried to develop a fast and easy method for comparison of the ability of producing extracellular laccase among hybrid strains of Lentinula edodes. For this aim, we estimated the effect of media types and chromagenic chemicals on the detection of extracellular laccase in seven hybrid strains of L. edodes. When Remazol Brilliant Blue R (RBBR) dye was used for chromagenic reaction, the detection of the enzyme activity was feasible both in the solid and liquid media containing not potato dextrose but malt extract as a nutrient component. When guaiacol was used for chromagenic reaction, the detection of the enzyme activity was feasible both in the solid and liquid media containing either potato dextrose or malt extract as a nutrient component. Malt extract-based liquid culture with RBBR or guaiacol in 2 ml microfuge tube allowed us to economically and quantitatively detect and compare the enzyme activity within 3 days among the tested hybrid strains of L. edodes.

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참고문헌

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