Based on the Aspergillus niger AS3.350, the mutants were brewed through inducing five treatments.The effect of different mutation methods on enzyme production ability of Xylanase was disscused and obtainedmutant strain of Xylanase production high ability. The results indicate that: the mutagenesis of UV irradiation and fast neutron irradiation was sensitive to increasing Xylanase activity. UV irradiation seted at 256 nm wavelength,the vertical distance was 20cm,exposure time was 90s, obtained mutant UV256-90 of the emzyme activity was 170.79U/ml,it was 2.18 times of the original strain.The rate 0.0025Gy / s of fast neutron irradiation and vertical distance 12cm,the optimal dose is 0.75Gy, screened out the mutant Fn5-2, the activity is 134.77U/ml,its 1.72 times of the original strain. Mutagenesis by diethyl sulfate, sodium nitrite, and nitrosoguanidine, enzyme activityof the optimal mutant strains were recently starting strain of 1.51 times, 1.46 times, and 1.38 times.Two physical mutagenic methods include ultraviolet mutagenesis and fast neutron irradiation were more sensitive on producing xylanase based on aspergillus Niger.
Published in | Science Discovery (Volume 4, Issue 2) |
DOI | 10.11648/j.sd.20160402.13 |
Page(s) | 70-74 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2016. Published by Science Publishing Group |
Mutation, AspergillusNiger, Xylanase,EnzymeActivity
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APA Style
Zheng Lili, Sheng Zhanwu, Ai Binling, Zheng Xiaoyan, Jin Zhiqiang. (2016). Effect of Different Mutation Methods on Xylanase Production Ability by Aspergillus Niger. Science Discovery, 4(2), 70-74. https://doi.org/10.11648/j.sd.20160402.13
ACS Style
Zheng Lili; Sheng Zhanwu; Ai Binling; Zheng Xiaoyan; Jin Zhiqiang. Effect of Different Mutation Methods on Xylanase Production Ability by Aspergillus Niger. Sci. Discov. 2016, 4(2), 70-74. doi: 10.11648/j.sd.20160402.13
AMA Style
Zheng Lili, Sheng Zhanwu, Ai Binling, Zheng Xiaoyan, Jin Zhiqiang. Effect of Different Mutation Methods on Xylanase Production Ability by Aspergillus Niger. Sci Discov. 2016;4(2):70-74. doi: 10.11648/j.sd.20160402.13
@article{10.11648/j.sd.20160402.13, author = {Zheng Lili and Sheng Zhanwu and Ai Binling and Zheng Xiaoyan and Jin Zhiqiang}, title = {Effect of Different Mutation Methods on Xylanase Production Ability by Aspergillus Niger}, journal = {Science Discovery}, volume = {4}, number = {2}, pages = {70-74}, doi = {10.11648/j.sd.20160402.13}, url = {https://doi.org/10.11648/j.sd.20160402.13}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20160402.13}, abstract = {Based on the Aspergillus niger AS3.350, the mutants were brewed through inducing five treatments.The effect of different mutation methods on enzyme production ability of Xylanase was disscused and obtainedmutant strain of Xylanase production high ability. The results indicate that: the mutagenesis of UV irradiation and fast neutron irradiation was sensitive to increasing Xylanase activity. UV irradiation seted at 256 nm wavelength,the vertical distance was 20cm,exposure time was 90s, obtained mutant UV256-90 of the emzyme activity was 170.79U/ml,it was 2.18 times of the original strain.The rate 0.0025Gy / s of fast neutron irradiation and vertical distance 12cm,the optimal dose is 0.75Gy, screened out the mutant Fn5-2, the activity is 134.77U/ml,its 1.72 times of the original strain. Mutagenesis by diethyl sulfate, sodium nitrite, and nitrosoguanidine, enzyme activityof the optimal mutant strains were recently starting strain of 1.51 times, 1.46 times, and 1.38 times.Two physical mutagenic methods include ultraviolet mutagenesis and fast neutron irradiation were more sensitive on producing xylanase based on aspergillus Niger.}, year = {2016} }
TY - JOUR T1 - Effect of Different Mutation Methods on Xylanase Production Ability by Aspergillus Niger AU - Zheng Lili AU - Sheng Zhanwu AU - Ai Binling AU - Zheng Xiaoyan AU - Jin Zhiqiang Y1 - 2016/05/04 PY - 2016 N1 - https://doi.org/10.11648/j.sd.20160402.13 DO - 10.11648/j.sd.20160402.13 T2 - Science Discovery JF - Science Discovery JO - Science Discovery SP - 70 EP - 74 PB - Science Publishing Group SN - 2331-0650 UR - https://doi.org/10.11648/j.sd.20160402.13 AB - Based on the Aspergillus niger AS3.350, the mutants were brewed through inducing five treatments.The effect of different mutation methods on enzyme production ability of Xylanase was disscused and obtainedmutant strain of Xylanase production high ability. The results indicate that: the mutagenesis of UV irradiation and fast neutron irradiation was sensitive to increasing Xylanase activity. UV irradiation seted at 256 nm wavelength,the vertical distance was 20cm,exposure time was 90s, obtained mutant UV256-90 of the emzyme activity was 170.79U/ml,it was 2.18 times of the original strain.The rate 0.0025Gy / s of fast neutron irradiation and vertical distance 12cm,the optimal dose is 0.75Gy, screened out the mutant Fn5-2, the activity is 134.77U/ml,its 1.72 times of the original strain. Mutagenesis by diethyl sulfate, sodium nitrite, and nitrosoguanidine, enzyme activityof the optimal mutant strains were recently starting strain of 1.51 times, 1.46 times, and 1.38 times.Two physical mutagenic methods include ultraviolet mutagenesis and fast neutron irradiation were more sensitive on producing xylanase based on aspergillus Niger. VL - 4 IS - 2 ER -