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Initiation of latent DNA replication in the Epstein-Barr virus genome can occur at sites other than the genetically defined origin.

Initiation of latent DNA replication in the Epstein-Barr virus genome can occur at sites other... Initiation of latent DNA replication in the Epstein-Barr virus genome can occur at sites other than the genetically defined origin. R D Little and C L Schildkraut Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York 10461, USA. ABSTRACT Our laboratory has previously shown that replication of a small plasmid, p174, containing the genetically defined Epstein-Barr virus (EBV) latent origin of replication, oriP, initiates within oriP at or near a dyad symmetry (DS) element and terminates specifically at a family of repeated sequences (FR), also located within oriP. We describe here an analysis of the replication of intact approximately 170-kb EBV genomes in four latently infected cell lines that uses two-dimensional gel replicon mapping. Initiation was detected at oriP in all EBV genomes examined; however, some replication forks appear to originate from alternative initiation sites. In addition, pausing of replication forks was observed at the two clusters of EBV nuclear antigen 1 binding sites within oriP and at or near two highly expressed viral genes 0.5 to 1 kb upstream of oriP, the EBV-encoded RNA (EBER) genes. In the Raji EBV genome, the relative abundance of these stalled forks and the direction in which they are stalled indicate that most replication forks originate upstream of oriP. We thus searched for additional initiation sites in the Raji EBV and found that the majority of initiation events were distributed over a broad region to the left of oriP. This delocalized pattern of initiation resembles initiation of replication in several well-characterized mammalian chromosomal loci and is the first described for any viral genome. EBV thus provides a unique model system with which to investigate factors influencing the selection of replication initiation and termination sites in mammalian cells. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Mol. Cell. Biol. May 1995 vol. 15 no. 5 2893-2903 » Abstract PDF Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of MCB Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Little, R. D. Articles by Schildkraut, C. L. Search for related content PubMed PubMed citation Articles by Little, R. D. Articles by Schildkraut, C. L. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue January 2012, volume 32, issue 1 Spotlights in the Current Issue Architecture of the Yeast RNA Polymerase II Open Complex State and Regulation by TFIIF GATA-1 Establishes Cell-Type-Specific Autophagy as a Developmental Program Prickle Phosphorylation Regulates Its Localization and β-Catenin-Independent Wnt Signaling Alert me to new issues of MCB About MCB Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy MCB RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0270-7306 Online ISSN: 1098-5549 Copyright © 2011 by the American Society for Microbiology. For an alternate route to MCB .asm.org, visit: http://intl- MCB .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-11"); pageTracker._trackPageview(); http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Molecular and Cellular Biology American Society For Microbiology

Initiation of latent DNA replication in the Epstein-Barr virus genome can occur at sites other than the genetically defined origin.

Molecular and Cellular Biology , Volume 15 (5): 2893 – May 1, 1995

Initiation of latent DNA replication in the Epstein-Barr virus genome can occur at sites other than the genetically defined origin.

Molecular and Cellular Biology , Volume 15 (5): 2893 – May 1, 1995

Abstract

Initiation of latent DNA replication in the Epstein-Barr virus genome can occur at sites other than the genetically defined origin. R D Little and C L Schildkraut Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York 10461, USA. ABSTRACT Our laboratory has previously shown that replication of a small plasmid, p174, containing the genetically defined Epstein-Barr virus (EBV) latent origin of replication, oriP, initiates within oriP at or near a dyad symmetry (DS) element and terminates specifically at a family of repeated sequences (FR), also located within oriP. We describe here an analysis of the replication of intact approximately 170-kb EBV genomes in four latently infected cell lines that uses two-dimensional gel replicon mapping. Initiation was detected at oriP in all EBV genomes examined; however, some replication forks appear to originate from alternative initiation sites. In addition, pausing of replication forks was observed at the two clusters of EBV nuclear antigen 1 binding sites within oriP and at or near two highly expressed viral genes 0.5 to 1 kb upstream of oriP, the EBV-encoded RNA (EBER) genes. In the Raji EBV genome, the relative abundance of these stalled forks and the direction in which they are stalled indicate that most replication forks originate upstream of oriP. We thus searched for additional initiation sites in the Raji EBV and found that the majority of initiation events were distributed over a broad region to the left of oriP. This delocalized pattern of initiation resembles initiation of replication in several well-characterized mammalian chromosomal loci and is the first described for any viral genome. EBV thus provides a unique model system with which to investigate factors influencing the selection of replication initiation and termination sites in mammalian cells. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Mol. Cell. Biol. May 1995 vol. 15 no. 5 2893-2903 » Abstract PDF Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of MCB Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Little, R. D. Articles by Schildkraut, C. L. Search for related content PubMed PubMed citation Articles by Little, R. D. Articles by Schildkraut, C. L. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue January 2012, volume 32, issue 1 Spotlights in the Current Issue Architecture of the Yeast RNA Polymerase II Open Complex State and Regulation by TFIIF GATA-1 Establishes Cell-Type-Specific Autophagy as a Developmental Program Prickle Phosphorylation Regulates Its Localization and β-Catenin-Independent Wnt Signaling Alert me to new issues of MCB About MCB Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy MCB RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0270-7306 Online ISSN: 1098-5549 Copyright © 2011 by the American Society for Microbiology. For an alternate route to MCB .asm.org, visit: http://intl- MCB .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-11"); pageTracker._trackPageview();

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Publisher
American Society For Microbiology
Copyright
Copyright © 1995 by the American society for Microbiology.
ISSN
0270-7306
eISSN
1098-5549
Publisher site
See Article on Publisher Site

Abstract

Initiation of latent DNA replication in the Epstein-Barr virus genome can occur at sites other than the genetically defined origin. R D Little and C L Schildkraut Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York 10461, USA. ABSTRACT Our laboratory has previously shown that replication of a small plasmid, p174, containing the genetically defined Epstein-Barr virus (EBV) latent origin of replication, oriP, initiates within oriP at or near a dyad symmetry (DS) element and terminates specifically at a family of repeated sequences (FR), also located within oriP. We describe here an analysis of the replication of intact approximately 170-kb EBV genomes in four latently infected cell lines that uses two-dimensional gel replicon mapping. Initiation was detected at oriP in all EBV genomes examined; however, some replication forks appear to originate from alternative initiation sites. In addition, pausing of replication forks was observed at the two clusters of EBV nuclear antigen 1 binding sites within oriP and at or near two highly expressed viral genes 0.5 to 1 kb upstream of oriP, the EBV-encoded RNA (EBER) genes. In the Raji EBV genome, the relative abundance of these stalled forks and the direction in which they are stalled indicate that most replication forks originate upstream of oriP. We thus searched for additional initiation sites in the Raji EBV and found that the majority of initiation events were distributed over a broad region to the left of oriP. This delocalized pattern of initiation resembles initiation of replication in several well-characterized mammalian chromosomal loci and is the first described for any viral genome. EBV thus provides a unique model system with which to investigate factors influencing the selection of replication initiation and termination sites in mammalian cells. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Mol. Cell. Biol. May 1995 vol. 15 no. 5 2893-2903 » Abstract PDF Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of MCB Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Little, R. D. Articles by Schildkraut, C. L. Search for related content PubMed PubMed citation Articles by Little, R. D. Articles by Schildkraut, C. L. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue January 2012, volume 32, issue 1 Spotlights in the Current Issue Architecture of the Yeast RNA Polymerase II Open Complex State and Regulation by TFIIF GATA-1 Establishes Cell-Type-Specific Autophagy as a Developmental Program Prickle Phosphorylation Regulates Its Localization and β-Catenin-Independent Wnt Signaling Alert me to new issues of MCB About MCB Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy MCB RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0270-7306 Online ISSN: 1098-5549 Copyright © 2011 by the American Society for Microbiology. For an alternate route to MCB .asm.org, visit: http://intl- MCB .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-11"); pageTracker._trackPageview();

Journal

Molecular and Cellular BiologyAmerican Society For Microbiology

Published: May 1, 1995

There are no references for this article.