Genomewide and biochemical analyses of DNA-binding activity of Cdc6/Orc1 and Mcm proteins in Pyrococcus sp

Fujihiko Matsunaga, Annie Glatigny, Marie Hélène Mucchielli-Giorgi, Nicolas Agier, Hervé Delacroix, Laetitia Marisa, Patrice Durosay, Yoshizumi Ishino, Lawrence Aggerbeck, Patrick Forterre

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The origin of DNA replication (oriC) of the hyperthermophilic archaeon Pyrococcus abyssi contains multiple ORB and mini-ORB repeats that show sequence similarities to other archaeal ORB (origin recognition box). We report here that the binding of Cdc6/Orc1 to a 5 kb region containing oriC in vivo was highly specific both in exponential and stationary phases, by means of chromatin immunoprecipitation coupled with hybridization on a whole genome microarray (ChIP-chip). The oriC region is practically the sole binding site for the Cdc6/Orc1, thereby distinguishing oriC in the 1.8M bp genome. We found that the 5 kb region contains a previously unnoticed cluster of ORB and mini-ORB repeats in the gene encoding the small subunit (dp1) for DNA polymerase II (PolD). ChIP and the gel retardation analyses further revealed that Cdc6/Orc1 specifically binds both of the ORB clusters in oriC and dp1. The organization of the ORB clusters in the dp1 and oriC is conserved during evolution in the order Thermococcales, suggesting a role in the initiation of DNA replication. Our ChIP-chip analysis also revealed that Mcm alters the binding specificity to the oriC region according to the growth phase, consistent with its role as a licensing factor.

Original languageEnglish
Pages (from-to)3214-3222
Number of pages9
JournalNucleic acids research
Volume35
Issue number10
DOIs
Publication statusPublished - May 1 2007

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Pyrococcus
Replication Origin
DNA Replication
DNA
Proteins
Thermococcales
Pyrococcus abyssi
DNA Polymerase II
Genome
Chromatin Immunoprecipitation
Archaea
Licensure
Gels
Binding Sites
Organizations

All Science Journal Classification (ASJC) codes

  • Genetics

Cite this

Matsunaga, F., Glatigny, A., Mucchielli-Giorgi, M. H., Agier, N., Delacroix, H., Marisa, L., ... Forterre, P. (2007). Genomewide and biochemical analyses of DNA-binding activity of Cdc6/Orc1 and Mcm proteins in Pyrococcus sp. Nucleic acids research, 35(10), 3214-3222. https://doi.org/10.1093/nar/gkm212

Genomewide and biochemical analyses of DNA-binding activity of Cdc6/Orc1 and Mcm proteins in Pyrococcus sp. / Matsunaga, Fujihiko; Glatigny, Annie; Mucchielli-Giorgi, Marie Hélène; Agier, Nicolas; Delacroix, Hervé; Marisa, Laetitia; Durosay, Patrice; Ishino, Yoshizumi; Aggerbeck, Lawrence; Forterre, Patrick.

In: Nucleic acids research, Vol. 35, No. 10, 01.05.2007, p. 3214-3222.

Research output: Contribution to journalArticle

Matsunaga, F, Glatigny, A, Mucchielli-Giorgi, MH, Agier, N, Delacroix, H, Marisa, L, Durosay, P, Ishino, Y, Aggerbeck, L & Forterre, P 2007, 'Genomewide and biochemical analyses of DNA-binding activity of Cdc6/Orc1 and Mcm proteins in Pyrococcus sp', Nucleic acids research, vol. 35, no. 10, pp. 3214-3222. https://doi.org/10.1093/nar/gkm212
Matsunaga F, Glatigny A, Mucchielli-Giorgi MH, Agier N, Delacroix H, Marisa L et al. Genomewide and biochemical analyses of DNA-binding activity of Cdc6/Orc1 and Mcm proteins in Pyrococcus sp. Nucleic acids research. 2007 May 1;35(10):3214-3222. https://doi.org/10.1093/nar/gkm212
Matsunaga, Fujihiko ; Glatigny, Annie ; Mucchielli-Giorgi, Marie Hélène ; Agier, Nicolas ; Delacroix, Hervé ; Marisa, Laetitia ; Durosay, Patrice ; Ishino, Yoshizumi ; Aggerbeck, Lawrence ; Forterre, Patrick. / Genomewide and biochemical analyses of DNA-binding activity of Cdc6/Orc1 and Mcm proteins in Pyrococcus sp. In: Nucleic acids research. 2007 ; Vol. 35, No. 10. pp. 3214-3222.
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