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题名: Unraveling the genome structure of cyanobacterial podovirus A-4L with long direct terminal repeats
作者: Ou, Tong1; Liao, Xiang-Yong1; Gao, Xiao-Chan1; Xu, Xu-Dong1; Zhang, Qi-Ya1
通讯作者: Zhang, QY (reprint author), Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.
关键词: Cyanobacterial podovirus A-4L ; Cyanophage ; Genomic analysis ; Terminal repeat ; Cyanobacterial virus-host model system
刊名: VIRUS RESEARCH
发表日期: 2015-05-04
DOI: 10.1016/j.virusres.2015.03.012
卷: 203, 页:4-9
收录类别: SCI
文章类型: Article
部门归属: [Ou, Tong ; Liao, Xiang-Yong ; Gao, Xiao-Chan ; Xu, Xu-Dong ; Zhang, Qi-Ya] Univ Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Chinese Acad Sci, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Virology
研究领域[WOS]: Virology
英文摘要: The freshwater cyanobacterial virus (cyanophage) A-4L, a podovirus, can infect the model cyanobacterium Anabaena sp. strain PCC 7120 resulting in a high burst size and forming concentric plaques on its lawns. The complete genome sequence of A-4L was determined by the combination of high-throughput sequencing, terminal transferase-mediated polymerase chain reaction and restriction mapping. It contains 41,750 bp with 810 bp direct terminal repeats and 38 potential open reading frames. As compared with other cyanobacterial podoviruses in diverse ecosystems, the A-4L has the longest terminal repeat and shares similar genome organizations with freshwater members. Furthermore, phylogenetic analysis based on concatenated sequences of eight core proteins indicated that freshwater cyanobacterial podoviruses were clustered together and distinct from marine counterparts, suggesting a clear divergence in the cyanobacterial podovirus lineage between freshwater and marine ecosystems. Our findings uncover the unique genome structure of A-4L which contains long direct terminal repeats, and create the first model system to address knowledge gaps in understanding cyanobacterial virus-host interactions at the molecular level. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: FRESH-WATER ; MICROCYSTIS-AERUGINOSA ; PHORMIDIUM-FOVEOLARUM ; MARINE SYNECHOCOCCUS ; PHOTOSYNTHESIS GENES ; CYANOPHAGE ; SEQUENCE ; PHAGE ; ANABAENA ; STRATEGIES
语种: 英语
WOS记录号: WOS:000356746200002
ISSN号: 0168-1702
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23887
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Univ Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Chinese Acad Sci, Wuhan 430072, Peoples R China
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