Virus adsorption process determines virus susceptibility in Heterosigma akashiwo (Raphidophyceae)

Aquatic Microbial Ecology

Keizo Nagasaki¹  Kenji Tarutani¹  Mineo Yamaguchi¹ 

关键词: Algal virus;    Heterosigma akashiwo;    Host range;    Intraspecies host specificity;    Viral adsorption;   

DOI  :  10.3354/ame042209

学科分类：生物科学（综合）

来源: Inter-Research

【 摘 要 】

ABSTRACT: We compared the adsorption kinetics of Heterosigma akashiwo virus clones 01 (HaV01) and 53 (HaV53) to several other H. akashiwo strains with differing viral susceptibility spectra. When a HaV strain was inoculated into its suitable host strain, only infectious virus particles (3 to 4% of direct count estimates) adsorbed to the host cells, and the adsorption coefficient was estimated to be 4.02 to 5.44 × 10^–8 ml min^–1; in contrast, virus adsorption to an unsuitable host strain was not detected. This suggests thatvirus adsorption is an important first step in determining the sensitivity or resistance of H. akashiwo strains to viral infection, and that it determines the strain-specific host specificity of HaV.

【 授权许可】

Unknown