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DNA Sequences in Centromere Formation and Function

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Part of the book series: Progress in Molecular and Subcellular Biology ((PMSB,volume 56))

Abstract

Faithful chromosome segregation during cell division depends on the centromere, a complex DNA/protein structure that links chromosomes to spindle microtubules. This chromosomal domain has to be marked throughout cell division and its chromosomal localization preserved across cell generations. From fission yeast to human, centromeres are established on a series of repetitive DNA sequences and on specialized centromeric chromatin. This chromatin is enriched with the histone H3 variant, named CENP-A, that was demonstrated to be the epigenetic mark that maintains centromere identity and function indefinitely. Although centromere identity is thought to be exclusively epigenetic, the presence of specific DNA sequences in the majority of eukaryotes and of the centromeric protein CENP-B that binds to these sequences, suggests the existence of a genetic component as well. In this review, we will highlight the importance of centromeric sequences for centromere formation and function, and discuss the centromere DNA sequence/CENP-B paradox.

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Acknowledgements

The authors would like to thank I. Drinnenberg (Institut Curie, Paris), H. Masumoto (Kazusa, JP), S. McClelland (BCI, UK), K.H. Miga (UCSC, US), C. Bartocci (Institut Curie, Paris), P. Ly (Ludwig, UCSD, La Jolla), A. Musacchio (Max Planck Dortmund, Germany) and all members of the Fachinetti lab for helpful suggestions and discussion. We also thank Y. Nechemia-Arbely and D.W. Cleveland (Ludwig, UCSD, La Jolla), S. Kasinathan and S. Henikoff (FHCRC, Seattle, US), A. Straight (Stanford, US) and V. Costanzo (IFOM, Italy) for sharing unpublished results or observations. We apologize to our colleagues whose important contributions could not be cited due to space constraints. D.F. receives salary support from the CNRS. D.F. has received support by Labex «CelTisPhyBio», the Institut Curie and the ATIP-Avenir 2015 program. This work has also received support under the program “Investissements d’Avenir,” launched by the French Government and implemented by ANR with the references ANR-10-LABX-0038 and ANR-10-IDEX-0001-02 PSL.

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Correspondence to D. Fachinetti .

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Dumont, M., Fachinetti, D. (2017). DNA Sequences in Centromere Formation and Function. In: Black, B. (eds) Centromeres and Kinetochores. Progress in Molecular and Subcellular Biology, vol 56. Springer, Cham. https://doi.org/10.1007/978-3-319-58592-5_13

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