Regulation of temperature-responsive flowering by MADS-box transcription factor repressors

Jeong Hwan Lee, Hak Seung Ryu, Kyung Sook Chung, David Posé, Soonkap Kim, Markus Schmid, Ji Hoon Ahn

Research output: Contribution to journalArticle

128 Citations (Scopus)

Abstract

Changes in ambient temperature affect flowering time in plants; understanding this phenomenon will be crucial for buffering agricultural systems from the effects of climate change. Here, we show that levels of FLM-β, an alternatively spliced form of the flowering repressor FLOWERING LOCUS M, increase at lower temperatures, repressing flowering. FLM-β interacts with SHORT VEGETATIVE PHASE (SVP); SVP is degraded at high temperatures, reducing the abundance of the SVP-FLM-β repressor complex and, thus, allowing the plant to flower. The svp and flm mutants show temperature-insensitive flowering in different temperature ranges. Control of SVP-FLM-β repressor complex abundance via transcriptional and splicing regulation of FLM and posttranslational regulation of SVP protein stability provides an efficient, rapid mechanism for plants to respond to ambient temperature changes.

Original languageEnglish
Pages (from-to)628-632
Number of pages5
JournalScience
Volume342
Issue number6158
DOIs
Publication statusPublished - 2013 Sep 16

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Transcription Factors
Temperature
Protein Stability
Climate Change
Transcription

ASJC Scopus subject areas

  • General
  • History and Philosophy of Science

Cite this

Lee, J. H., Ryu, H. S., Chung, K. S., Posé, D., Kim, S., Schmid, M., & Ahn, J. H. (2013). Regulation of temperature-responsive flowering by MADS-box transcription factor repressors. Science, 342(6158), 628-632. https://doi.org/10.1126/science.1241097

Regulation of temperature-responsive flowering by MADS-box transcription factor repressors. / Lee, Jeong Hwan; Ryu, Hak Seung; Chung, Kyung Sook; Posé, David; Kim, Soonkap; Schmid, Markus; Ahn, Ji Hoon.

In: Science, Vol. 342, No. 6158, 16.09.2013, p. 628-632.

Research output: Contribution to journalArticle

Lee, JH, Ryu, HS, Chung, KS, Posé, D, Kim, S, Schmid, M & Ahn, JH 2013, 'Regulation of temperature-responsive flowering by MADS-box transcription factor repressors', Science, vol. 342, no. 6158, pp. 628-632. https://doi.org/10.1126/science.1241097
Lee JH, Ryu HS, Chung KS, Posé D, Kim S, Schmid M et al. Regulation of temperature-responsive flowering by MADS-box transcription factor repressors. Science. 2013 Sep 16;342(6158):628-632. https://doi.org/10.1126/science.1241097
Lee, Jeong Hwan ; Ryu, Hak Seung ; Chung, Kyung Sook ; Posé, David ; Kim, Soonkap ; Schmid, Markus ; Ahn, Ji Hoon. / Regulation of temperature-responsive flowering by MADS-box transcription factor repressors. In: Science. 2013 ; Vol. 342, No. 6158. pp. 628-632.
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