Vernalization: winter and the timing of flowering in plants

DH Kim, MR Doyle, S Sung… - Annual Review of Cell …, 2009 - annualreviews.org
Plants have evolved many systems to sense their environment and to modify their growth
and development accordingly. One example is vernalization, the process by which flowering …

Diversity of Polycomb group complexes in plants: same rules, different players?

L Hennig, M Derkacheva - Trends in Genetics, 2009 - cell.com
Polycomb Group (PcG) proteins form an epigenetic memory system that is conserved in
plants and animals and controls gene expression during development. Loss of plant PcG …

Cold-induced silencing by long antisense transcripts of an Arabidopsis Polycomb target

S Swiezewski, F Liu, A Magusin, C Dean - Nature, 2009 - nature.com
Transcription in eukaryotic genomes generates an extensive array of non-protein-coding
RNA, the functional significance of which is mostly unknown. We are investigating the link …

Altered circadian rhythms regulate growth vigour in hybrids and allopolyploids

Z Ni, ED Kim, M Ha, E Lackey, J Liu, Y Zhang, Q Sun… - Nature, 2009 - nature.com
Segregating hybrids and stable allopolyploids display morphological vigour,,, and
Arabidopsis allotetraploids are larger than the parents Arabidopsis thaliana and Arabidopsis …

PEP1 regulates perennial flowering in Arabis alpina

R Wang, S Farrona, C Vincent, A Joecker, H Schoof… - Nature, 2009 - nature.com
Annual plants complete their life cycle in one year and initiate flowering only once, whereas
perennials live for many years and flower repeatedly. How perennials undergo repeated …

Crosstalk between Cold Response and Flowering in Arabidopsis Is Mediated through the Flowering-Time Gene SOC1 and Its Upstream Negative Regulator FLC

E Seo, H Lee, J Jeon, H Park, J Kim, YS Noh… - The Plant …, 2009 - academic.oup.com
The appropriate timing of flowering is pivotal for reproductive success in plants; thus, it is not
surprising that flowering is regulated by complex genetic networks that are fine-tuned by …

Adaptive epigenetic memory of ancestral temperature regime in Arabidopsis thaliana

CA Whittle, SP Otto, MO Johnston, JE Krochko - Botany, 2009 - cdnsciencepub.com
Although certain acquired nongenetic (ie, epigenetic) traits are known to be heritable in
plants, little is known currently about whether environmental parameters can induce …

HISTONE MONOUBIQUITINATION1 Interacts with a Subunit of the Mediator Complex and Regulates Defense against Necrotrophic Fungal Pathogens in Arabidopsis

R Dhawan, H Luo, AM Foerster, S AbuQamar… - The Plant …, 2009 - academic.oup.com
This work examines the role of the Arabidopsis thaliana RING E3 ligase, HISTONE
MONOUBIQUITINATION1 (HUB1) in disease resistance. Loss-of-function alleles of HUB1 …

Vernalization-induced flowering in cereals is associated with changes in histone methylation at the VERNALIZATION1 gene

SN Oliver, EJ Finnegan, ES Dennis… - Proceedings of the …, 2009 - National Acad Sciences
Prolonged exposure to low temperatures (vernalization) accelerates the transition to
reproductive growth in many plant species, including the model plant Arabidopsis thaliana …

Flowering time regulation produces much fruit

SD Michaels - Current opinion in plant biology, 2009 - Elsevier
Many of the molecular details regarding the promotion of flowering in response to prolonged
exposure to cold temperatures (vernalization) and daylength have recently been elucidated …