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题名: Hydrocarbon profiles and phylogenetic analyses of diversified cyanobacterial species
作者: Liu, Aiqiu1, 2; Zhu, Tao1; Lu, Xuefeng1; Song, Lirong3
通讯作者: Lu, XF (reprint author), Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Shandong Prov Key Lab Energy Genet, Key Lab Biofuels, 189 Songling Rd, Qingdao 266101, Peoples R China.
关键词: Biofuels ; Hydrocarbons ; Cyanobacteria ; Acyl-acyl carrier protein reductase ; Aldehyde deformylating oxygenase
刊名: APPLIED ENERGY
发表日期: 2013-11-01
DOI: 10.1016/j.apenergy.2013.05.008
卷: 111, 页:383-393
收录类别: SCI
文章类型: Article
部门归属: [Liu, Aiqiu ; Zhu, Tao ; Lu, Xuefeng] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Shandong Prov Key Lab Energy Genet, Key Lab Biofuels, Qingdao 266101, Peoples R China ; [Liu, Aiqiu] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Song, Lirong] Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
WOS标题词: Science & Technology ; Technology
资助者: National Basic Research Program of China (973) [2011CBA00907]; National Natural Science Foundation of China [31200001]; Chinese Academy of Sciences [KSCX2-EW-G-1-4]; Joint Research Laboratory for Sustainable Aviation Biofuels (QIBEBT-Boeing); "100-Talent Program of the Chinese Academy of Sciences" foundation [091001110A]
类目[WOS]: Energy & Fuels ; Engineering, Chemical
研究领域[WOS]: Energy & Fuels ; Engineering
摘要: The combination of environmental concerns and the growing demand for energy make the development of biofuels, an attractive alternative to fossil fuels, a goal for many researchers. The direct photosynthetic production of hydrocarbons, which are the major components of fossil fuels, is considered to be a promising and innovative strategy for the development of biofuels with advanced fuel properties and solar-driven energy input. Cyanobacteria have existed continuously since the early evolution of the biosphere and the biosynthetic pathways of hydrocarbons in these prokaryotes have been genetically and biochemically identified. In this study, the hydrocarbon compositions of 19 freshwater cyanobacterial species distributed among 13 genera were analyzed. Based on their hydrocarbon profiles, these cyanobacterial species were classified into 5 major subgroups. Combined with the previously reported hydrocarbon compositions in different cyanobacterial species, we found that branched-chain alkanes were limited predominantly in filamentous species but rarely in unicellular species. Phylogenetic analysis using traditional small-subunit ribosomal RNA (16S rDNA) of these strains presented clustering similar to their hydrocarbon production profiles. Acyl-acyl carrier protein reductase (AAR) and aldehyde deformylating oxygenase (ADO) are two key enzymes involved in the biosynthesis of hydrocarbons in cyanobacteria. A comparison of phylogenies revealed that the topology of 16S rDNA showed a general congruence with that of AAR but not with that of ADO. The results not only provide an evolutionary perspective with which to study the physiological function of cellular hydrocarbons but also display the engineering capacity to molecularly design diversified hydrocarbon fuel products in cyanobacteria. (C) 2013 Elsevier Ltd. All rights reserved.
英文摘要: The combination of environmental concerns and the growing demand for energy make the development of biofuels, an attractive alternative to fossil fuels, a goal for many researchers. The direct photosynthetic production of hydrocarbons, which are the major components of fossil fuels, is considered to be a promising and innovative strategy for the development of biofuels with advanced fuel properties and solar-driven energy input. Cyanobacteria have existed continuously since the early evolution of the biosphere and the biosynthetic pathways of hydrocarbons in these prokaryotes have been genetically and biochemically identified. In this study, the hydrocarbon compositions of 19 freshwater cyanobacterial species distributed among 13 genera were analyzed. Based on their hydrocarbon profiles, these cyanobacterial species were classified into 5 major subgroups. Combined with the previously reported hydrocarbon compositions in different cyanobacterial species, we found that branched-chain alkanes were limited predominantly in filamentous species but rarely in unicellular species. Phylogenetic analysis using traditional small-subunit ribosomal RNA (16S rDNA) of these strains presented clustering similar to their hydrocarbon production profiles. Acyl-acyl carrier protein reductase (AAR) and aldehyde deformylating oxygenase (ADO) are two key enzymes involved in the biosynthesis of hydrocarbons in cyanobacteria. A comparison of phylogenies revealed that the topology of 16S rDNA showed a general congruence with that of AAR but not with that of ADO. The results not only provide an evolutionary perspective with which to study the physiological function of cellular hydrocarbons but also display the engineering capacity to molecularly design diversified hydrocarbon fuel products in cyanobacteria. (C) 2013 Elsevier Ltd. All rights reserved.
关键词[WOS]: FATTY-ACID-COMPOSITION ; BLUE-GREEN-ALGAE ; CHROMATOGRAPHY-MASS SPECTROMETRY ; ALDEHYDE DECARBONYLASE ; BRANCHED ALKANES ; GEOCHEMICAL SIGNIFICANCE ; BOTRYOCOCCUS-BRAUNII ; ANABAENA-VARIABILIS ; MICROSCOPIC ALGAE ; SYNECHOCOCCUS SP
语种: 英语
WOS记录号: WOS:000325834900036
ISSN号: 0306-2619
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19789
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, Qingdao Inst Bioenergy & Bioproc Technol, Shandong Prov Key Lab Energy Genet, Key Lab Biofuels, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China

Recommended Citation:
Liu, Aiqiu; Zhu, Tao; Lu, Xuefeng; Song, Lirong.Hydrocarbon profiles and phylogenetic analyses of diversified cyanobacterial species,APPLIED ENERGY,2013,111():383-393
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