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[1]刘登辉,胡 闽,赵小斌,等.一株高产纤维素酶菌株的分离及鉴定[J].武汉工程大学学报,2022,44(06):653-657.[doi:10.19843/j.cnki.CN42-1779/TQ.202202017]
 LIU Denghui,HU Min,ZHAO Xiaobin,et al.Isolation and Identification of High Cellulase Producing Strain[J].Journal of Wuhan Institute of Technology,2022,44(06):653-657.[doi:10.19843/j.cnki.CN42-1779/TQ.202202017]
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一株高产纤维素酶菌株的分离及鉴定(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
44
期数:
2022年06期
页码:
653-657
栏目:
生物与环境工程
出版日期:
2022-12-31

文章信息/Info

Title:
Isolation and Identification of High Cellulase Producing Strain
文章编号:
1674 - 2869(2022)06 - 0653 - 05
作者:
刘登辉胡 闽赵小斌危 威张佑红*
武汉工程大学环境生态与生物工程学院,湖北 武汉 430205
Author(s):
LIU Denghui HU Min ZHAO Xiaobin WEI Wei ZHANG Youhong*
School of Environmental Ecology and Biological Engineering,Wuhan Institute of Technology, Wuhan 430205, China

关键词:
纤维素酶β-葡萄糖苷酶菌株F21烟管菌
Keywords:
cellulase β-glucosidase F21 strain Bjerkandera adusta
分类号:
Q939
DOI:
10.19843/j.cnki.CN42-1779/TQ.202202017
文献标志码:
A
摘要:
为了获得高产纤维素酶菌株,提高纤维素资源的开发利用率,将蝗虫肠道内的微生物进行分离,经羧甲基纤维素钠培养基初筛,刚果红鉴别培养基和七叶苷培养基复筛后,获得一株高产纤维素酶的野生菌株F21。经酶活性鉴定,该菌株F21具有较高的滤纸酶活性、羧甲基纤维素酶活性和β-葡萄糖苷酶活性。滤纸酶活性在发酵培养第3 d时达峰值0.212 IU/mL;羧甲基纤维素酶活性在发酵培养第4 d时达峰值1.593 IU/mL; β-葡萄糖苷酶酶活性在发酵培养第6 d时达峰值39.069 IU/mL。结合菌株的生长形态特征和分子生物学鉴定,确定菌株F21为烟管菌。
Abstract:
To obtain a high cellulase producing strain and improve the exploitation of cellulose resources, the microorganisms from the locust gut were isolated, and firstly screened in sodium carboxymethyl cellulose medium, then re-screened in congo red identification medium and esculin medium. Finally, a wild strain F21 with high cellulase production was obtained. The strain F21 was determined showing high filter paper enzyme activity (FPase), carboxymethyl cellulase activity (CMCase) and β-glucosidase activity. In process of fermentation culture, FPase activity reaches a peak of 0.212 IU/mL on the 3rd day, while CMCase activity reaches a peak of 1.593 IU/mL on the 4th day, and β-glucosidase activity reaches a peak of 39.069 IU/mL on the 6th day. Combined with growth morphological characteristics and molecular biological identification, the strain F21 is determined as Bjerkandera adusta.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2022-02-24
基金项目:国家自然科学基金青年科学基金(41906085)
作者简介:刘登辉,硕士研究生。E-mail:ldh2022@126.com
*通讯作者:张佑红,博士,教授。E-mail:youhong@aliyun.com
引文格式:刘登辉,胡闽,赵小斌,等. 一株高产纤维素酶菌株的分离及鉴定[J]. 武汉工程大学学报,2022,44(6):653-657.

更新日期/Last Update: 2023-01-08