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Most phages contain DNA polymerases, which are essential for DNA replication and propagation in infected host bacteria. However, our knowledge on phage-encoded DNA polymerases remains limited. This study investigated the function of a novel DNA polymerase of PaP1, which is the lytic phage of Pseudomonas aeruginosa. PaP1 encodes its sole DNA polymerase(More)
Alkylating agents can form O(6)-methylguansine (O(6)-MeG). To study the intrinsic kinetic behaviors of bypassing O(6)-MeG, we used the catalytic core of yeast DNA polymerase η (Pol ηcore, residues 1-513), instead of the full-length Pol η, to study their elementary steps, eliminating the effects of the C-terminal C2H2 motif on dNTP incorporation. The(More)
As one of the most common forms of oxidative DNA damage, 7,8-dihydro-8-oxo-2'-deoxyguanosine (8-oxoG) generally leads to G:C to T:A mutagenesis. To study DNA replication encountering 8-oxoG by the sole DNA polymerase (Gp90) of Pseudomonasaeruginosa phage PaP1, we performed steady-state and pre-steady-state kinetic analyses of nucleotide incorporation(More)
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