지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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Spores of Aspergillus sp. SU14 were treated repeatedly and sequentially with $Co^{60}$ ${\gamma}$-rays, ultraviolet irradiation, and N-methyl-N'-nitro-N-nitrosoguanidine. One selected mutant strain, Aspergillus sp. SU14-M15, produced cellulase in a yield 2.2-fold exceeding that of the wild type. Optimal conditions for the production of cellulase by the mutant fungal strain using solid-state fermentation were examined. The medium consisted of wheat-bran supplemented with 1% (w/w) urea or $NH_4Cl$, 1% (w/w) rice starch, 2.5 mM $MgCl_2$, and 0.05% (v/w) Tween 80. Optimal moisture content and initial pH was 50% (v/w) and 3.5, respectively, and optimal aeration area was 3/100 (inoculated wheat bran/container). The medium was inoculated with 25% 48 hr seeding culture and fermented at $35^{\circ}C$ for 3 days. The resulting cellulase yield was 8.5-fold more than that of the wild type strain grown on the basal wheat bran medium.
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참고문헌 (21)
참고문헌 신청
Duff SJ / 1996 / Bioconversion of forest products industry waste cellulosics to fuel ethanol: a review / Bioresour Technol 55:1~33
Jones RP / 1981 / Alcohol fermentation by yeasts: the effect of environmental and other variables / Process Biochem 16:42~49
Rogers PL / 1980 / High productivity ethanol fermentation with Zymomonas mobilis / Process Biochem 15:7~11
SHIN, DONGGYUN / 2006 / Cybernetic Modeling of Simultaneous Saccharification and Fermentation for Ethanol Production from Steam-Exploded Wood with Brettanomyces custersii / Journal of Microbiology and Biotechnology 16(9):1355~1361
Durand H / 1988 / Genetic improvement of Trichoderma reesei for large scale cellulase production / Enzyme Microb Technol 10:341~346
Jones RP / 1981 / Alcohol fermentation by yeasts: the effect of environmental and other variables / Process Biochem 16:42~49
Rogers PL / 1980 / High productivity ethanol fermentation with Zymomonas mobilis / Process Biochem 15:7~11
SHIN, DONGGYUN / 2006 / Cybernetic Modeling of Simultaneous Saccharification and Fermentation for Ethanol Production from Steam-Exploded Wood with Brettanomyces custersii / Journal of Microbiology and Biotechnology 16(9):1355~1361
Durand H / 1988 / Genetic improvement of Trichoderma reesei for large scale cellulase production / Enzyme Microb Technol 10:341~346
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