Cloning and characterization of hCTF18, hCTF8, and hDCC1: Human homologs of an Saccharomyces cerevisiae complex involved in sister chromatid cohesion establishment

Carolin J. Merkle, Larry M Karnitz, John T. Henry-Sánchez, Junjie Chen

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

A growing body of evidence suggests that establishment of sister chromatid cohesion is dependent on replication fork passage over a precohesion area. In Saccharomyces cerevisiae, this process involves an alternative replication factor C (RFC) complex that contains the four small RFC subunits as well as CTF18, CTF8, and DCC1. Here, we show that an evolutionarily conserved homologous complex exists in the nucleus of human cells. We demonstrate that hCTF18, hCTF8, and hDCC1 interact with each other as well as with the p38 subunit of RFC. This alternative RFC-containing complex interacts with proliferating cell nuclear antigen but not with the Rad9/Rad1/Hus1 complex, a proliferating cell nuclear antigen-like clamp involved in the DNA damage response. hCTF18 preferentially binds chromatin during S phase, suggesting a role during replication. Our data provide evidence for the existence of an alternative RFC complex with a probable role in mammalian sister chromatid cohesion establishment.

Original languageEnglish (US)
Pages (from-to)30051-30056
Number of pages6
JournalJournal of Biological Chemistry
Volume278
Issue number32
DOIs
StatePublished - Aug 8 2003

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Replication Protein C
Chromatids
Cloning
Yeast
Saccharomyces cerevisiae
Organism Cloning
Proliferating Cell Nuclear Antigen
Clamping devices
Cell Nucleus
S Phase
DNA Damage
Chromatin
Cells
DNA

ASJC Scopus subject areas

  • Biochemistry

Cite this

Cloning and characterization of hCTF18, hCTF8, and hDCC1 : Human homologs of an Saccharomyces cerevisiae complex involved in sister chromatid cohesion establishment. / Merkle, Carolin J.; Karnitz, Larry M; Henry-Sánchez, John T.; Chen, Junjie.

In: Journal of Biological Chemistry, Vol. 278, No. 32, 08.08.2003, p. 30051-30056.

Research output: Contribution to journalArticle

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