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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제14권 제6호
- 발행연도
- 2004.1
- 수록면
- 1,196 - 1,199 (4page)
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초록· 키워드
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A bacterium, isolated from rabbit's waste andidentified as Cellulomonas sp., had cellulase and thermostableα-amylase activity when grown on wheat bran. Maximumactivity of thermostable α-amylase was obtained by adding3% soluble starch. However, soybean oil (1 ml l-1) couldincrease the production of α-amylase and cellulase inwheat bran. The α-amylase was characterized by making ademonstration of optimum activity at 90oC and pH 6- 9, withsoluble starch as a substrate. The effect of ions on the activityand the stability of this enzyme were investigated. This strainsecreted carboxymethyl cellulase (CMCase), cellobiase (β-glucosidase), and filter paperase (Fpase) during growth onwheat bran. Carboxymethylcellulase, cellobiase, and Fpaseactivities had pH optima of 6, 5.5, and 6, respectively.CMCase and cellobiase activities both had an optimumtemperature of 50oC, whereas Fpase had an optimumtemperature of 45oC.
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참고문헌 (12)
참고문헌 신청
Appl / 1983 / Selection of products of amylolytic enzymes among thermophilicmicroorganisms logi (va) : 514 ~ 521
Bradford / 1976 / A rapid sensitive method for thequantitation of microgram quantities of protein utilizing theprinciple of protein dye binding : 142 ~ 146
Busch, J. E / 1997 / Repression andinactivation of α-amylase in Thermomonospora speciesduring growth on cellobiase 143 : 2021 ~ 2026
Cowan / 1996 / Animal feed : 71 ~ 86
I / 1992 / by fungi in different media ResearchBulletin of Isfahan University 10 : 15 ~ 28
Bradford / 1976 / A rapid sensitive method for thequantitation of microgram quantities of protein utilizing theprinciple of protein dye binding : 142 ~ 146
Busch, J. E / 1997 / Repression andinactivation of α-amylase in Thermomonospora speciesduring growth on cellobiase 143 : 2021 ~ 2026
Cowan / 1996 / Animal feed : 71 ~ 86
I / 1992 / by fungi in different media ResearchBulletin of Isfahan University 10 : 15 ~ 28
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