Poxvirus DNA Replication
Author(s) -
Bernard Moss
Publication year - 2013
Publication title -
cold spring harbor perspectives in biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.011
H-Index - 173
ISSN - 1943-0264
DOI - 10.1101/cshperspect.a010199
Subject(s) - biology , replication (statistics) , dna replication , dna , virology , evolutionary biology , computational biology , genetics
Poxviruses are large, enveloped viruses that replicate in the cytoplasm and encode proteins for DNA replication and gene expression. Hairpin ends link the two strands of the linear, double-stranded DNA genome. Viral proteins involved in DNA synthesis include a 117-kDa polymerase, a helicase-primase, a uracil DNA glycosylase, a processivity factor, a single-stranded DNA-binding protein, a protein kinase, and a DNA ligase. A viral FEN1 family protein participates in double-strand break repair. The DNA is replicated as long concatemers that are resolved by a viral Holliday junction endonuclease.
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