INDUCTION OF ENDO-BETA-XYLANASE IN THE FUNGUS THERMOMYCES-LANUGINOSUS

被引：24

作者：

PURKARTHOFER, H ^{[1
]}

STEINER, W ^{[1
]}

机构：

[1] GRAZ TECH UNIV,INST BIOTECHNOL,SFB BIOKATALYSE,A-8010 GRAZ,AUSTRIA

来源：

ENZYME AND MICROBIAL TECHNOLOGY | 1995年 / 17卷 / 02期

关键词：

THERMOMYCES LANUGINOSUS; XYLANASE; INDUCTION; XYLOSE;

D O I：

10.1016/0141-0229(94)00039-T

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The effect of various carbohydrates on the production of inducible beta-xylanase of Thermomyces lanuginosus was investigated. Xylanase was found to be constitutively produced at a low level and induced by a number of substances. All D-pentoses as well as xylan and xylobiose were identified as inducers. The induction of xylanase by xylan was delayed by about 2 h as compared to the induction by xylose. Xylose, xylobiose, and xylan caused an induction in concentrations from 10.0 to 333.3 mg l(-1) The effect of D-lyxose, D-arabinose, D-ribose, and L-arabinose was significantly not as pronounced. D-Xylose is proposed to be a natural inducer. The time for induction was shown to be dependent on the concentration of fungal mycelium. Xylanase induction was subject to glucose repression.

引用

页码：114 / 118

页数：5

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