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Seasonal Abundance of Different Chlorella Viruses in Two Contrasting Freshwater Environments in Ontario, Canada.

机译：在加拿大安大略省的两个不同的淡水环境中，不同小球藻病毒的季节性丰度。

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The aims of this study were to identify Chloroviruses in two different Ontario freshwaters and to determine if the seasonal abundance patterns of Chloroviruses in different environments are similar. Gene fragments nearly identical to cultivated Chloroviruses were obtained from Lake Ontario and a nearby pond at the University of Toronto Mississauga (UTM) and novel Chlorovirus gene fragments were obtained from Lake Ontario. Quantification of these two Chlorovirus genes over several seasons revealed the presence of persistent viruses with different seasonal dynamics suggesting that different Chloroviruses replicate by infecting different hosts. Additionally, patterns of seasonal abundance and timings of peak abundances for individual viruses differed between Lake Ontario and the UTM pond, demonstrating the critical role of the environment in Chlorovirus dynamics. The observation of different Chloroviruses with different seasonal dynamics allows speculation that these viruses and their hosts stably coexist in Ontario freshwater environments.

机译：这项研究的目的是在两个不同的安大略淡水中鉴定出绿叶病毒，并确定不同环境中的绿叶病毒的季节性丰度模式是否相似。从安大略湖和多伦多密西沙加大学（UTM）附近的一个池塘中获得了几乎与栽培的绿藻病毒相同的基因片段，并从安大略湖中获得了新的绿藻病毒基因片段。在数个季节内对这两种Chlorovirus基因进行定量分析，发现存在具有不同季节动态的持久性病毒，这表明不同的Chloroviruses通过感染不同的宿主而复制。此外，安大略湖和UTM池之间的季节性病毒丰度模式和峰值病毒丰度的时间安排也有所不同，这证明了环境在绿病毒动态中的关键作用。观察到具有不同季节动态的不同绿藻病毒，可以推测这些病毒及其宿主在安大略省的淡水环境中稳定地共存。

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作者
Rusanova, Oksana.;
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作者单位

University of Toronto (Canada).;

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授予单位 University of Toronto (Canada).;
学科 Ecology.;Limnology.
学位 M.Sc.
年度 2010
页码 89 p.
总页数 89
原文格式 PDF
正文语种 eng
中图分类
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Seasonal Abundance of Different Chlorella Viruses in Two Contrasting Freshwater Environments in Ontario, Canada.

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