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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국축산학회(구 한국동물자원과학회) 한국축산학회지 한국축산학회지 제48권 제3호
발행연도
2006.1
수록면
415 - 424 (10page)

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초록· 키워드

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The purpose of this study was to investigate the fungal growth and enzyme production under different carbohydrate substrate conditions. The anaerobic fungus Neocallimastix sp. NLRI-3 isolated from the rumen of Korean native goat was incubated with different carbohydrate media containing 0.2% of glucose, starch, rice straw, filter paper, carboxymethyl cellulose(CMC), Sigmacell cellulose, xylan or xylose, respectively. The culture head gas production was the highest in the culture of filter paper medium, and the lowest in the culture of CMC medium at 96h incubation (P<0.05). The fungal zoospore production reached peak at 72h incubation, and its number was the highest in rice straw medium among the treatments (P<0.05). At 96h incubation, carboxymethyl cellulase(CMCase) activity was the highest in the culture of filter paper medium and the lowest in the culture of starch medium (P<0.05). While xylanase activity was the highest in the culture of rice straw medium and the lowest in the culture of xylose medium(P<0.05) at 72h incubation. There were no differences in culture supernatant protein expression among the treatments. However, the patterns of enzyme expression were different among the treatments with zymogram analysis. Six CMCases and 4 xylanase were detected from the results of zymogram analysis. Therefore the present study indicating that the fungal enzyme expression could be stimulated with insoluble substrates in the culture medium.

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