2012 Fiscal Year Final Research Report
FUNCTIONAL IMPROVEMNET OF CELLULASES AIMED FOR ENZYMATIC DEGRADATION AND SACCHARIFICATION OF CELLULOSIC BIOMASS
| Project/Area Number |
22580090
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Applied microbiology
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| Research Institution | Osaka Prefecture University |
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Principal Investigator |
KAWAGUCHI Takashi 大阪府立大学, 大学院・生命環境科学研究科, 教授 (70195056)
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| Co-Investigator(Kenkyū-buntansha) |
SUMITANI Jun-ichi 大阪府立大学, 大学院・生命環境科学研究科, 准教授 (10264813)
TANI Shuji 大阪府立大学, 大学院・生命環境科学研究科, 助教(現講師) (80405357)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 微生物利用学 |
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| Research Abstract |
We performed to improve the ・-glucosidase 1 which was the most useful enzyme among cellulase components produced by a filamentous fungus, Aspergillus aculeatus, for the saccharification of cellulosic biomass. Firstly, the activity against insoluble cellulose of relatively high molecular mass was raised by adding the cellulose-biding domain. Secondary, a mutantenzyme with drastically lowered product inhibition by glucose was successfully isolated after the screening of a random mutagenesis library on amino acid residues around the substrate-binding site.
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Research Products
(17 results)
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[Journal Article] Crystal structure of glycoside hydrolase family 3 beta-glucosidase 1 from Aspergillus aculeatus2013
Author(s)
Suzuki, K., Sumitani, J., Nam, Y.-W., Nishimaki, T., Tani, S., Wakagi, T., Kawaguchi, T., Fushinobu, S
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Journal Title
Biochemical Journal
Volume: 452
Pages: 211-221
Peer Reviewed
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[Journal Article] Analysis of the saccharification capability of high-functional cellulase JN11 for various pretreated biomasses through a comparison with commercially available counterparts2012
Author(s)
Kawai, T., Nakazawa, H., Ida, N., Okada, H., Tani, S., Sumitani, J., Kawaguchi, T., Ogasawara, W., Morikawa, Y., Kobayashi, Y
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Journal Title
Journal of Industrial Microbiology and Biotechnology
Volume: 9
Pages: 1741-1749
Peer Reviewed
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[Journal Article] Construction of a recombinant Trichoderma reesei strain expressing Aspergillus aculeatus・-glucosidase 1 for efficient biomass conversion2012
Author(s)
Nakazawa, H., Kawai, T., Ida, N., Shida, Y., Kobayashi, Y., Okada, H., Tani, S., Sumitani, J., Kawaguchi, T., Morikawa, Y., Ogasawara, W
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Journal Title
Biotechnology and Bioengineering
Volume: 109
Pages: 92-99
Peer Reviewed
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