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题名: Effects of Light Intensity on Components and Topographical Structures of Extracellular Polysaccharides from the Cyanobacteria Nostoc sp.
作者: Ge, Hongmei1, 2; Xia, Ling1, 2; Zhou, Xuping1, 2; Zhang, Delu3; Hu, Chunxiang1
通讯作者: Hu, CX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
关键词: cyanobacteria ; extracellular polysaccharides ; light intensity ; Nostoc sp. ; atomic force microscopy
刊名: JOURNAL OF MICROBIOLOGY
发表日期: 2014-02-01
DOI: 10.1007/s12275-014-2720-5
卷: 52, 期:2, 页:179-183
收录类别: SCI
文章类型: Article
部门归属: [Ge, Hongmei; Xia, Ling; Zhou, Xuping; Hu, Chunxiang] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China; [Ge, Hongmei; Xia, Ling; Zhou, Xuping] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Zhang, Delu] Wuhan Univ Technol, Dept Biol Sci & Biotechnol, Wuhan 430070, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [31170464, 30870470]; National Forestry Public Welfare Industry Research Project [201404204]
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
摘要: A study on the effects of light intensity (40 and 80 mu E/m(2)/sec) on the components and topographical structures of extracellular polysaccharides (EPS) was carried out in cyanobacteria Nostoc sp.. EPS yield increased with light intensity. However, light intensity did not significantly affect the EPS fractions and monosaccharide composition. Higher light intensity generally resulted in higher protein content of EPS in similar fractions. The topographical structure of EPS, investigated by atomic force microscopy, appeared as spherical lumps, chains and networks. The long chains were observed at higher light intensity. Thus, light intensity affected the yield and nature of EPS.
英文摘要: A study on the effects of light intensity (40 and 80 mu E/m(2)/sec) on the components and topographical structures of extracellular polysaccharides (EPS) was carried out in cyanobacteria Nostoc sp.. EPS yield increased with light intensity. However, light intensity did not significantly affect the EPS fractions and monosaccharide composition. Higher light intensity generally resulted in higher protein content of EPS in similar fractions. The topographical structure of EPS, investigated by atomic force microscopy, appeared as spherical lumps, chains and networks. The long chains were observed at higher light intensity. Thus, light intensity affected the yield and nature of EPS.
关键词[WOS]: EXOPOLYSACCHARIDE-PRODUCING CYANOBACTERIA ; LIQUID SUSPENSION-CULTURE ; CARBOHYDRATE POLYMERS ; MICROCOLEUS-VAGINATUS ; FLAGELLIFORME ; STRAINS ; GROWTH ; ALGAE
语种: 英语
WOS记录号: WOS:000330416200012
ISSN号: 1225-8873
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20116
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Wuhan Univ Technol, Dept Biol Sci & Biotechnol, Wuhan 430070, Peoples R China

Recommended Citation:
Ge, Hongmei; Xia, Ling; Zhou, Xuping; Zhang, Delu; Hu, Chunxiang.Effects of Light Intensity on Components and Topographical Structures of Extracellular Polysaccharides from the Cyanobacteria Nostoc sp.,JOURNAL OF MICROBIOLOGY,2014,52(2):179-183
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