Asymmetric flow field flow fractionation methods for virus purification

被引：21
|
作者：
Eskelin, Katri [1 ,2 ]
Lampi, Mirka [1 ,2 ]
Meier, Florian [3 ]
Moldenhauer, Evelin [3 ]
Bamford, Dennis H. [1 ,2 ]
Oksanen, Hanna M. [1 ,2 ]
机构：
[1] Univ Helsinki, Dept Biosci, FIN-00014 Helsinki, Finland
[2] Univ Helsinki, Inst Biotechnol, Viikinkaari 9, FIN-00014 Helsinki, Finland
[3] Postnova Analyt, Max Planck Str 14, D-86899 Landsberg, Germany
来源：
JOURNAL OF CHROMATOGRAPHY A | 2016年 / 1469卷
基金：
芬兰科学院;
关键词：
Membrane virus; Icosahedral virus; Bacteriophage PRD1; Monolithic chromatography; Ultracentrifugation; Real-time analysis of progeny virus production; CONTAINING BACTERIOPHAGE PRD1; ANGLE LIGHT-SCATTERING; POLYETHYLENE-GLYCOL; PARTICLES; DNA; SEPARATION; PROTEIN; QUANTITATION; CHANNEL; SIZE;
D O I：
10.1016/j.chroma.2016.09.055
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Detailed biochemical and biophysical characterization of viruses requires viral preparations of high quantity and purity. The optimization of virus production and purification is an essential, but laborious and time-consuming process. Asymmetric flow field flow fractionation (AF4) is an attractive alternative method for virus purification because it is a rapid and gentle separation method that should preserve viral infectivity. Here we optimized the AF4 conditions to be used for purification of a model virus, bacteriophage PRD1, from various types of starting materials. Our results show that AF4 is well suited for PRD1 purification as monitored by virus recovery and specific infectivity. Short analysis time and high sample loads enabled us to use AF4 for preparative scale purification of PRD1. Furthermore, we show that AF4 enables the rapid real-time analysis of progeny virus production in infected cells. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：108 / 119
页数：12
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