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Isolation of Streptomyces sp. Strains Capable of Degrading Lignin Under Alkaline Conditions and Its Degradation Properties
Zhou, Guixiong1; Zhuang, Xinshu1; Yuan, Zhenhong1,2; Tan, Xuesong1; Qi, Wei1; Yu, Qiang1; Wang, Wen1; Wang, Qiong1
2016-12-01
发表期刊JOURNAL OF BIOBASED MATERIALS AND BIOENERGY
卷号10期号:6页码:458-462
摘要A bacterial strain (designated as Y-8), capable of efficiently degrading lignin under alkaline conditions, was isolated from saline-alkali soil and identified as Streptomyces sp. based on the morphological and physiological analyses as well as the gene sequences comparison of the 16 S rDNA. The alkali tolerance and lignin degradation capability of the isolated strain were determined. The results indicated that Streptomyces sp. Y-8 achieved the optimum lignin degradation at a temperature of 35 degrees C and a pH value of 9.5 with sucrose as the auxiliary carbon source and ammonium nitrate as the nitrogen source, reaching 32.6% in seven days. In addition, the activity of the three enzymes that were produced from the lignin degradation by Streptomyces sp. Y-8 under alkaline conditions (pH = 9.5), laccase (Lac), lignin peroxidase (Lip), and manganese peroxidase (MnP) was studied. The results indicated that the Lac and Lip activities reached their respective maximums on the fifth and fourth day of lignin degradation, respectively, being 4583.5 U/L, and 1163.2 U/L, respectively, and almost no MnP was detected throughout the process. This study is of great significance to the biological pretreatment of lignocellulose or the treatment of black liquid produced from papermaking under alkaline conditions.
文章类型Article
关键词Lignin Biodegradation Alkaline Conditions Enzyme Activity Biological Pretreatment Of Lignocellulose
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者National Natural Science Foundation of China(21406228 ; Key Projects of International Cooperation and Exchanges NSFC(51561145015) ; 51476179) ; National Natural Science Foundation of China(21406228 ; Key Projects of International Cooperation and Exchanges NSFC(51561145015) ; 51476179)
DOI10.1166/jbmb.2016.1627
研究领域[WOS]Chemistry ; Energy & Fuels ; Materials Science
收录类别SCI ; ISTP
语种英语
资助者National Natural Science Foundation of China(21406228 ; Key Projects of International Cooperation and Exchanges NSFC(51561145015) ; 51476179) ; National Natural Science Foundation of China(21406228 ; Key Projects of International Cooperation and Exchanges NSFC(51561145015) ; 51476179)
WOS类目Chemistry, Applied ; Energy & Fuels ; Materials Science, Biomaterials
WOS记录号WOS:000397803900010
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14078
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Collaborat Innovat Ctr Biomass Energy, Zhengzhou 450002, Henan Province, Peoples R China
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Zhou, Guixiong,Zhuang, Xinshu,Yuan, Zhenhong,et al. Isolation of Streptomyces sp. Strains Capable of Degrading Lignin Under Alkaline Conditions and Its Degradation Properties[J]. JOURNAL OF BIOBASED MATERIALS AND BIOENERGY,2016,10(6):458-462.
APA Zhou, Guixiong.,Zhuang, Xinshu.,Yuan, Zhenhong.,Tan, Xuesong.,Qi, Wei.,...&Wang, Qiong.(2016).Isolation of Streptomyces sp. Strains Capable of Degrading Lignin Under Alkaline Conditions and Its Degradation Properties.JOURNAL OF BIOBASED MATERIALS AND BIOENERGY,10(6),458-462.
MLA Zhou, Guixiong,et al."Isolation of Streptomyces sp. Strains Capable of Degrading Lignin Under Alkaline Conditions and Its Degradation Properties".JOURNAL OF BIOBASED MATERIALS AND BIOENERGY 10.6(2016):458-462.
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