Korean Journal of Microbiology (미생물학회지)

The Microbiological Society of Korea (한국미생물학회)
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Isolation of Pigment Overproducing Mutant from Monascus purpureus and Optimization of Pigment Production

Monascus purpureus로부터 다량의 색소생성 변이주의 분리 및 색소생성의 최적조건

  • Published : 2005.06.01
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Abstract

Isolation of a pigment overproducing mutant, P-57, by ultraviolet irradiation of Monascus purpureus KCCM 60016 and investigation of the optimal conditions for pigment production of the mutant were carried out. P-57 mutant produced pigment on solid state culture. Unpolished rice was the best cereal source for pigment production among eight kinds of tested cereal sources for the solid culture of the mutant. The optimal culture condition for pigment production were obtained from the cultivated at $30^{\circ}C,\;90\%$ humidity for 30 days. The P-57 mutant strain showed the best pigment productivity of 160.0 unit at red pigment, 193.6 unit at orange pigment, and 141.6 unit at yellow pigment on solid state culture under optimal condition.

Monascus purpureus KCCM 60016을 이용하여 다량의 색소생산 변이주를 개발하고 생산조건에 대하여 조사하였다. 자외선 조사로 M. purpureus KCCM 60016으로부터 돌연변이를 유도한 결과, 색소생성이 우수한 P-57 변이주를 분리하였다. 분리된 P-57 변이주는 고체 배양에서 현미를 기질로 했을 때 색소생성이 가장 우수한 것으로 나타났으며, 색소생성의 최적 배양조건은 배양온도 $30^{\circ}C,\;90\%$의 배양습도에서 30일간 배양이 가장 우수했다. 이상의 조건에서 배양한 적색색소, 오렌지색소와 황색색소의 양은 각각 160.0 unit, 193.6 unit와 141.6 units-나타났다.

Keywords

References

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