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J Exp Bot. 2017 Jan 1;68(3):383-389. doi: 10.1093/jxb/erw431.

Post-translational modifications of FLOWERING LOCUS C modulate its activity.

Author information

1
Department of Plant Science and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Korea.
2
School of Applied Biosciences, Kyungpook National University, Daegu, Korea.
3
Plant Genomics and Breeding Institute, Seoul National University, Seoul, Korea.

Abstract

Flowering Locus C (FLC) is a key floral repressor that precisely controls flowering time. The role of FLC has been extensively studied at the transcriptional level using molecular biological and epigenetic approaches. However, how FLC functions and how its stability is controlled at the post-translational level are only beginning to be understood. Recent studies show that various post-translational modifications (PTMs) control the stability and activity of FLC. In this review, we focus on three types of PTMs that regulate FLC function: phosphorylation, ubiquitination, and sumoylation. This report should serve as a model to guide post-translational studies of other important floral regulators.

KEYWORDS:

FLC; flowering; phosphorylation; post-translational modification; sumoylation; ubiquitination

PMID:
28204510
DOI:
10.1093/jxb/erw431
[Indexed for MEDLINE]

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