Effect of D-glucono-1,4-lactone on the production of CMCase, pNPCase and true cellulase by Clostridium thermocellum

被引：5

作者：

Bhat, S

Kennedy, JF

Goodenough, PW

Owen, E

Bhat, MK

机构：

[1] Inst Food Res, Food Macromol Sci Dept, Reading Lab, Reading RG6 6BZ, Berks, England

[2] Univ Birmingham, Sch Chem, Birmingham Carbohydrate & Prot Technol Grp, Res Lab Chem Bioact Carbohydrates & Prot, Birmingham B15 2TT, W Midlands, England

[3] Univ Reading, Dept Agr, Reading RG6 6AT, Berks, England

来源：

CARBOHYDRATE POLYMERS | 1997年 / 34卷 / 1-2期

关键词：

D O I：

10.1016/S0144-8617(97)00049-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The effect of varying concentrations of D-glucono-1,4-lactone (2.6-8.4 mM), a potent inhibitor of beta-D-glucosidase, on the production of carboxymethylcellulase (CMCase), 4-nitrophenylcellobiosidase (pNPCase) and true cellulase by Clostridium thermocellum strain YS was studied in the presence of cellobiose and Avicel. It was found that D-glucono-1,4-lactone up to 8.4 mM had no effect on the production of CMCase, pNPCase and true cellulase by C. thermocellum grown either on cellobiose or on Avicel. Thus, it was concluded that cellobiose rather than its transglycosylated product is the inducer of the cellulase system in C. thermocellum. Copyright (C) 1997 Elsevier Science Ltd. All rights reserved.

引用

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页码：95 / 99

页数：5

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