TopBP1 and DNA polymerase-α directly recruit the 9-1-1 complex to stalled DNA replication forks

TopBP1 and the Rad9–Rad1–Hus1 (9-1-1) complex activate the ataxia telangiectasia mutated and Rad3-related (ATR) protein kinase at stalled replication forks. ATR is recruited to stalled forks through its binding partner, ATR-interacting protein (ATRIP); however, it is unclear how TopBP1 and 9-1-1 are recruited so that they may join ATR–ATRIP and initiate signaling. In this study, we use Xenopus laevis egg extracts to determine the requirements for 9-1-1 loading. We show that TopBP1 is required for the recruitment of both 9-1-1 and DNA polymerase (pol)-α to sites of replication stress. Furthermore, we show that pol-α is also directly required for Rad9 loading. Our study identifies an assembly pathway, which is controlled by TopBP1 and includes pol-α, that mediates the loading of the 9-1-1 complex onto stalled replication forks. These findings clarify early events in the assembly of checkpoint signaling complexes on DNA and identify TopBP1 as a critical sensor of replication stress.

• Publication year

  2009

• Venue

  Journal of Cell Biology

• Publication date

  2009-03-23

• Fields of study

  Biology, Medicine

• Identifiers
  DOI 10.1083/jcb.200810185PMID 19289795PMCID 2699152
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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  2006cited by this paper
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  2005cited by this paper
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  2005cited by this paper
• [Eukaryotic DNA polymerases].

  2005cited by this paper
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  2000cited by this paper
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  2000cited by this paper
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