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Δευτέρα 25 Σεπτεμβρίου 2017

No Winter Lasts Forever: Polycomb Complexes Convert Epigenetic Memory of Cold into Flowering

Publication date: 25 September 2017
Source:Developmental Cell, Volume 42, Issue 6
Author(s): Jafar Sharif, Haruhiko Koseki
Two recent papers in Science (Jiang and Berger, 2017 and Yang et al., 2017) reveal that an epigenetic mechanism, mediated by polycomb repressor complex 2 (PRC2), induces flowering after prolonged cold. This repression is biphasic, requiring nucleation and propagation; and, strikingly, appears to be intrinsically linked with DNA replication.

Teaser

Two recent papers in Science (Jiang and Berger, 2017 and Yang et al., 2017) reveal that an epigenetic mechanism, mediated by polycomb repressor complex 2 (PRC2), induces flowering after prolonged cold. This repression is biphasic, requiring nucleation and propagation, and, strikingly, appears to be intrinsically linked with DNA replication.


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