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Isolation and Physiological Characterization of a Novel Algicidal Virus Infecting the Marine Diatom Skeletonema costatum

机译:一种新型的杀藻硅藻病毒感染海洋硅藻骨骼肌的分离和生理学表征

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摘要

Diatoms are a major component of the biological community, serving as the principal primary producers in the food web and sustaining oxygen levels in aquatic environments. Among marine planktonic diatoms, the cosmopolitan Skeletonema costatum is one of the most abundant and widespread species in the world’s oceans. Here, we report the basic characteristics of a new diatom-infecting S. costatum virus (ScosV) isolated from Jaran Bay, Korea, in June 2008. ScosV is a polyhedral virus (45–50 nm in diameter) that propagates in the cytoplasm of host cells and causes lysis of S. costatum cultures. The infectivity of ScosV was determined to be strain- rather than species-specific, similar to other algal viruses. The burst size and latent period were roughly estimated at 90–250 infectious units/cell and <48 h, respectively.
机译:硅藻是生物群落的主要组成部分,是食物网的主要主要生产者,并在水生环境中维持氧气水平。在海洋浮游硅藻中,国际化的Skeletonema costatum是世界海洋中最丰富,分布最广泛的物种之一。在这里,我们报告2008年6月从韩国Jaran湾分离出的一种新的感染硅藻的S.costatum病毒(ScosV)的基本特征。ScosV是一种多面体病毒(直径45–50 nm),在该细胞的细胞质中传播。宿主细胞并引起肋链球菌培养物的裂解。与其他藻类病毒类似,ScosV的感染性被确定为菌株特异性而非物种特异性。估计爆发数量和潜伏期分别为90-250个传染单位/细胞和<48小时。

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