MersV1, Istex, Corpus, bibRecord, 001538

Studies of bacteriophage P2 DNA replication: localization of the cleavage site of the A protein

Identifieur interne : 001538 ( Istex/Corpus ); précédent : 001537; suivant : 001539

Studies of bacteriophage P2 DNA replication: localization of the cleavage site of the A protein

Auteurs : Yuanfang Liu ; Elisabeth Hagg Rd-Ljungquist

Source :

Nucleic Acids Research [ 0305-1048 ] ; 1994.

RBID : ISTEX:AFA09CEA3571562DBC3B7DB0211649C618E447F5

Abstract

Bacteriophage P2 replicates via a modified rolling circle-type of mechanism, where the P2 A protein acts as an Initiator of the replication by inducing a single-stranded cut at the origin of replication (ori). The exact location of the cut Induced by the A protein In vivo is determined In this report by: (i) restriction analysis; (ii) DNA sequence analysis; and (Ml) primer extensions. It Is located 89.2% from the left end of the P2 genome, which is within the coding part of the A gene, In a region devold of secondary structures. The A gene has been cloned Into an expression vector, and the A protein has been purified. The purified A protein does not bind to double-stranded ori containing DNA, but It cleaves single-stranded ori containing DNA, which indicates that a special DNA structure and/or protein is required to make the ori accessible for the A protein.

Url:

https://api.istex.fr/ark:/67375/HXZ-T04F7XLD-N/fulltext.pdf

DOI: 10.1093/nar/22.24.5204

Links to Exploration step

ISTEX:AFA09CEA3571562DBC3B7DB0211649C618E447F5

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<p>Bacteriophage P2 replicates via a modified rolling circle-type of mechanism, where the P2 A protein acts as an Initiator of the replication by inducing a single-stranded cut at the origin of replication (ori). The exact location of the cut Induced by the A protein In vivo is determined In this report by: (i) restriction analysis; (ii) DNA sequence analysis; and (Ml) primer extensions. It Is located 89.2% from the left end of the P2 genome, which is within the coding part of the A gene, In a region devold of secondary structures. The A gene has been cloned Into an expression vector, and the A protein has been purified. The purified A protein does not bind to double-stranded ori containing DNA, but It cleaves single-stranded ori containing DNA, which indicates that a special DNA structure and/or protein is required to make the ori accessible for the A protein.</p>

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Studies of bacteriophage P2 DNA replication: localization of the cleavage site of the A protein

Studies of bacteriophage P2 DNA replication: localization of the cleavage site of the A protein

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