The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Effect of Carbon sources and Vitamins on Mycelial Growth of Tricholoma matsutake DGUM 26001

송이균사(Tricholoma matsutake DGUM 26001)의 생육에 미치는 탄소원 및 비타민의 영향

  • Published : 1997.09.30
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Abstract

The mycelium was isolated from the fruiting body of Tricholoma matsutake collected from Mt. Namsan, Kyongju and it was named as Tricholoma matsutake DGUM 26001. For the mycelial growth of T. matsutake DGUM 26001, the complex media, yeast-malt extract medium and Czapek-Dox medium supplemented with yeast extract, were excellent. The media such as nutrient glucose medium, mushroom complex medium, and Tricholoma matsutake medium (TMM), were effective. However, There was no a mycelial growth in the media used for bacterial cultivation such as colombia medium, brain heart infusion medium, Luria-Bertani medium supplemented with glucose, and brucella medium. When carbohydrate as a carbon and energy source was supplemented in the TMM medium for the mycelial growth, starch as a polysaccharide was best. As a disaccharide, trehalose and maltose were excellent. Sorbitol, xylitol and glucose were excellent carbon sources of monosaccharose. When the mycelia were cultivated for 30 days at $24^{\circ}C$ in the TMM supplemented with 2.0% starch, the dry weight of the mycelia harvested was 8.85 g/L. When organic acid was given as a carbon source, only succinic acid was utilized. As a vitamin source, coconut water and pyridoxine were excellent. After 30 day-cultivation in the TMM medium, the dry weights with coconut water and pyridoxine were 8.65 and 8.32 g/L, respectively.

경주시 남산으로부터 송이를 채집하여 균사를 분리하였다. 집락 및 균사의 형태, 균사의 독특한 송이향(1-octene-3-ol)을 기준으로 하여 Tricholoma matsutake DGUM 26001이라 명명하였다. T. matsutake DGUM 26001은 사용한 복합액체배지 중 yeast malt extract 및 Czapek-Dox 배지에서 가장 우수한 균사생육을 보여주었으며, nutrient glucose 배지, Macaya-Lizano 배지, 및 Tricholoma matsutake 배지(TMM)에서의 균사생육은 양호하였다. 세균 배양에 사용되는 colombia 배지, brain heart infusion 배지, Luria-Bertani glucose 배지 및 brucella 배지에서의 균사 생육은 매우 저조하였다. TMM 배지에 다양한 탄수화물을 탄소원으로 첨가하였을 때, 다당류의 starch, 이당류의 trehalose 및 maltose, 단당류의 sorbitol, xylitol 및 glucose를 사용하였을 때 균사생육이 양호하였다. Starch를 탄소원으로 하는 TMM 배지에서 30일간 균사를 배양하였을 경우, 8.85 g/L의 건조 균사중량을 얻을 수 있었다. 포도당을 탄소원으로 하는 TMM 액체배지에 coconut water 및 pyridoxine을 비타민으로 첨가하여 30일간 배양 후, 가장 우수한 균사 건조체를 얻을 수 있었으며 각각 8.65 및 8.32 g/L의 균사 건조량을 얻을 수 있었다.

Keywords

References

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