Research

New paper proposes lagging-strand DNA extrusion mechanism

Noguchi, Y., Yuan, Z., Bai, L., Schneider, S., Zhao, G., Stillman, B., Speck, C., Li, H. (2017). Cryo-EM structure of Mcm2-7 double hexamer on DNA suggests a lagging-strand DNA extrusion model. Proceedings of the National Academy of Sciences of the United States of America 114, E9529-E9538.
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New paper on MCM2-7 replicative helicase loading

Yuan, Z., Riera, A., Bai, L., Sun, J., Nandi, S., Spanos, C., Chen, Z. A., Barbon, M., Rappsilber, J., Stillman, B., Speck, C., Li, H. (2017). Structural basis of Mcm2–7 replicative helicase loading by ORC–Cdc6 and Cdt1. Nature Structure & Molecular Biology 24, 316-324.
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New paper on assembly of the eukaryotic replicative helicase

Herrera, M. C.*, Tognetti, S.*, Riera, A., Zech, J., Clarke, P., Fernández-Cid, A., Speck, C. (2015). A reconstituted system reveals how activating and inhibitory interactions control DDK dependent assembly of the eukaryotic replicative helicase. Nucleic Acids Research 43, 10238-10250.
*Shared first authorship
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New paper shows Cdc6 ATPase activity promotes DNA replication

Chang, F., Riera, A., Evrin, C., Sun, J., Li, H., Speck, C., Weinreich, M. (2015). Cdc6 ATPase activity disengages Cdc6 from the pre-replicative complex to promote DNA replication. eLife 4, e05759.
Abstract | Full text | Biomedical Picture of the Day | MRC Clinical Sciences Centre News | Imperial College London News |