Genome dynamics in cell programming, aging and human disease
DNA in our cells is continuously damaged through its exposure to reactive agents of endogenous or environmental origin. Damage to DNA, however, does not only occur randomly by chemical reactions, but also on purpose, by the action of enzymes, to increase genetic variance or alter cell fate determining epigenetic marks, i.e., DNA methylation. Modifications of either kind occur thousands of times in our DNA every day and need to be controlled if genome integrity is to be maintained. We investigate molecular mechanisms underlying this structural and functional dynamics of genomes.
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Selected Publications
Schwarz, Simon D., Xu, Jianming, Gunasekera, Kapila, Schürmann, David, Vågbø, Cathrine B., Ferrari, Elena, Slupphaug, Geir, Hottiger, Michael O., Nature Communications, 15(1). https://doi.org/10.1038/s41467-023-44209-8
, & Steinacher, Roland. (2024). Covalent PARylation of DNA base excision repair proteins regulates DNA demethylation [Journal-article].
Schwarz, Simon D., Xu, Jianming, Gunasekera, Kapila, Schürmann, David, Vågbø, Cathrine B., Ferrari, Elena, Slupphaug, Geir, Hottiger, Michael O., Nature Communications, 15(1). https://doi.org/10.1038/s41467-023-44209-8
, & Steinacher, Roland. (2024). Covalent PARylation of DNA base excision repair proteins regulates DNA demethylation [Journal-article].
Noreen F, Küng T, Tornillo L, Parker H, Silva M, Weis S, Marra G, Rad R, Truninger K, & Clinical Epigenetics, 11(1), 196. https://doi.org/10.1186/s13148-019-0791-1
. (2019). DNA methylation instability by BRAF-mediated TET silencing and lifestyle-exposure divides colon cancer pathways.
Noreen F, Küng T, Tornillo L, Parker H, Silva M, Weis S, Marra G, Rad R, Truninger K, & Clinical Epigenetics, 11(1), 196. https://doi.org/10.1186/s13148-019-0791-1
. (2019). DNA methylation instability by BRAF-mediated TET silencing and lifestyle-exposure divides colon cancer pathways.
Steinacher, Roland, Barekati, Zeinab, Botev, Petar, Kuśnierczyk, Anna, Slupphaug, Geir, & EMBO Journal, 38(1). https://doi.org/10.15252/embj.201899242
. (2019). SUMOylation coordinates BERosome assembly in active DNA demethylation during cell differentiation.
Steinacher, Roland, Barekati, Zeinab, Botev, Petar, Kuśnierczyk, Anna, Slupphaug, Geir, & EMBO Journal, 38(1). https://doi.org/10.15252/embj.201899242
. (2019). SUMOylation coordinates BERosome assembly in active DNA demethylation during cell differentiation.
Weber, A. R., Krawczyk, C., Robertson, A. B., Kusnierczyk, A., Vagbo, C. B., Schuermann, D., Klungland, A., & Nat Commun, 7, 10806. https://doi.org/10.1038/ncomms10806
(2016). Biochemical reconstitution of TET1-TDG-BER-dependent active DNA demethylation reveals a highly coordinated mechanism.
Weber, A. R., Krawczyk, C., Robertson, A. B., Kusnierczyk, A., Vagbo, C. B., Schuermann, D., Klungland, A., & Nat Commun, 7, 10806. https://doi.org/10.1038/ncomms10806
(2016). Biochemical reconstitution of TET1-TDG-BER-dependent active DNA demethylation reveals a highly coordinated mechanism.
Cortázar, Daniel, Kunz, Christophe, Selfridge, Jim, Lettieri, Teresa, Saito, Yusuke, MacDougall, Eilidh, Wirz, Annika, Schuermann, David, Jacobs, Angelika L, Siegrist, Fredy, Steinacher, Roland, Jiricny, Josef, Bird, Adrian, & Nature, 470(7334), 419–423. https://doi.org/10.1038/nature09672
. (2011). Embryonic lethal phenotype reveals a function of TDG in maintaining epigenetic stability.
Cortázar, Daniel, Kunz, Christophe, Selfridge, Jim, Lettieri, Teresa, Saito, Yusuke, MacDougall, Eilidh, Wirz, Annika, Schuermann, David, Jacobs, Angelika L, Siegrist, Fredy, Steinacher, Roland, Jiricny, Josef, Bird, Adrian, & Nature, 470(7334), 419–423. https://doi.org/10.1038/nature09672
. (2011). Embryonic lethal phenotype reveals a function of TDG in maintaining epigenetic stability.
Valencia, M, Bentele, M, Vaze, M B, Herrmann, G, Kraus, E, Lee, S E, Nature, 414(6864), 666–669. https://doi.org/10.1038/414666a
, & Haber, J E. (2001). NEJ1 controls non-homologous end joining in Saccharomyces cerevisiae.
Valencia, M, Bentele, M, Vaze, M B, Herrmann, G, Kraus, E, Lee, S E, Nature, 414(6864), 666–669. https://doi.org/10.1038/414666a
, & Haber, J E. (2001). NEJ1 controls non-homologous end joining in Saccharomyces cerevisiae.