Abstract
Virus purification by cesium chloride (CsCl) density gradient, which generally requires an expensive ultracentrifuge, is an essential technique in virology. Here, we optimized virus purification by CsCl density gradient using general centrifugation (40,000 × g, 2 h, 4 °C), which showed almost the same purification ability as conventional CsCl density gradient ultracentrifugation (100,000 × g, 1 h, 4 °C) using phages S13′ and φEF24C. Moreover, adenovirus strain JM1/1 was also successfully purified by this method. We suggest that general centrifugation can become a less costly alternative to ultracentrifugation for virus purification by CsCl densiy gradient and will thus encourage research in virology.
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Acknowledgements
This study was supported by Grant-in-Aid for Young Scientists (15K19095) from the Japan Society for the Promotion of Science.
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Animals were handled by veterinarians in strict accordance with good animal practice following the guidelines of Azabu University. This experiment was approved by the Committee for Animal Experimentation at Azabu University (Certificate No. 150318-2).
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Nasukawa, T., Uchiyama, J., Taharaguchi, S. et al. Virus purification by CsCl density gradient using general centrifugation. Arch Virol 162, 3523–3528 (2017). https://doi.org/10.1007/s00705-017-3513-z
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DOI: https://doi.org/10.1007/s00705-017-3513-z