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Special Issue on Cyanophage and Algal Virus
Editor(s): Fei Deng, PhD, Professor; Zhihong Hu, PhD, Professor
State Key Laboratory of Virology, Virus Resource and Bioinformatics Center, Wuhan Institute of Virology, Chinese Academy of Sciences, China
Electron microscopy images of three types of cyanophages: 1) upper left: AsGV-L cyanophage particles, showing geminivirus-like morphology with two incomplete icosahedra joined together; 2) lower left: MaCV-L cyanophage particles,showing corticovirus-like and round shape with icosahedral symmetry and a non-enveloped capsid; 3) right: cyanophage PP virions , with short and stubby tail structures. Images painted with pseudo-colors. (Cover designed by Meng Wang, Wuhan IOV.)
Cyanophages are double-stranded DNA viruses that infect cyanobacteria, and they can be found in both freshwater and marine environments. They have a complex pattern of host ranges and play important roles in controlling cyanobacteria population. Unlike marine cyanophages, for which there have been ..., Abstract
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Research Article
A cyanophage strain and its host Synechococcus were isolated from the East China Sea. The host Synechococcus sp. SJ01 was characterized by its 16S rRNA,ITS,and psbA gene sequences as well as by its morphological appearance and pigmentation. The cyanophage, strain S-SJ2, was able to cause a lytic ..., Abstract
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Research Article
The MaMV-DC cyanophage,which infects the bloom-forming cyanobacterium Microcystis aeruginosa, was isolated from Lake Dianchi,Kunming,China. Twenty-one cyanobacterial strains were used to detect the host range of MaMV-DC. Microcystic aeruginosa FACHB-524 and plaque purification were used to isolate ..., Abstract
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Research Article
Cyanophages are ubiquitous and essential components of the aquatic environment and play an important role in the termination of algal blooms. As such,they have attracted widespread interest. PP was the first isolated cyanophage in China,which infects Plectonema boryanum and Phormidium foveolarum. ..., Abstract
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Research Article
East Lake (Lake Donghu),located in Wuhan,China,is a typical city freshwater lake that has been experiencing eutrophic conditions and algal blooming during recent years. Marine and fresh water are considered to contain a large number of viruses. However, little is known about their genetic diversity ..., Abstract
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Research Article
The cosmopolitan calcifying alga Emiliania huxleyi is one of the most abundant bloom forming coccolithophore species in the oceans and plays an important role in global biogeochemical cycling. Coccolithoviruses are a major cause of coccolithophore bloom termination and have been studied in ..., Abstract
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We report the results of the preliminary isolation of two virus-like particles (VLPs) that are infectious to freshwater cyanobacteria from Lake Donghu,the largest urban lake in China,located in Wuhan City,Hubei Province. By light and transmission electron microscopy,we observed VLPs causing lytic ..., Abstract
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In this study,we re-identified the hosts of cyanophage PP. Twenty-three candidate algal strains were tested,and the results indicated that seven strains belonging to Plectonema and Phormidium are the hosts of cyanophage PP,including two previously reported filamentous cyanobacteria,Plectonema ..., Abstract
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East Lake,located in the middle and lower reaches of the Yangtze River,is a major source of drinking water for local residents. However,the large increase of population density and the rapid development of industry has resulted in heavy eutrophication of East Lake over the past few decades. ..., Abstract
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