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Generation of Autographa californica multicapsid nucleopolyhedrovirus gene knock-out mutants using plasmid capture system
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/290429
The baculovirus Autographa californica nucleopolyhedrovirus (AcMNPV), a large circular double-stranded DNA virus whose genome encodes at least 155 open reading frames (ORFs), is highly pathogenic to a number of lepidopteran insects and widely used to transduce various cells for exogenous gene expression. Although many genes of AcMNPV have been identified, the genome-wide study related to viral replication has not been well announced. In this study, to elucidate DNA replication cascade of AcMNPV, we firstly developed a novel baculovirus genome that can be maintained in Escherichia coli as a plasmid and can infect susceptible lepidopteran insect cells. This genome, named bAc-MK, contains a mini-F replicon and a kanamycin resistance marker. Using a convenient Tn7 transposon-based system, pPCS-S, which contains an ampicillin resistance gene, ORF knock-out mutants were generated by random insertion into bAc-MK genome. These mutants will be suffered DNA microarray to elucidate AcMNPV replication cascade.
