Evidence map›Paper›PMID 24532592›Full record

ArticleThe Plant cell2014

Structural features determining flower-promoting activity of Arabidopsis FLOWERING LOCUS T.

William Wing Ho Ho, Detlef Weigel

Erratum issuedAbstract read
In one paragraph

Article in The Plant cell, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 133 papers.

0numbers the graph read from it
0cells of the map it votes in
133citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

133 citing papers in PubMed.

  1. Article
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  12. Florigen and Florigen-Like Genes Regulate Temperature-Responsive Flowering in Tomato.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
    Article
  13. Article
  14. Review
  15. Article
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  18. Horticulture research · 2025
    Article
  19. Article
  20. Review

73 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors.

William Wing Ho HoDepartment of Molecular Biology, Max Planck Institute for Developmental Biology, D-72076 Tuebingen, Germany.
Detlef Weigel

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In Arabidopsis thaliana, the genes FLOWERING LOCUS T (FT) and TERMINAL FLOWER1 (TFL1) have antagonistic roles in regulating the onset of flowering: FT activates and TFL1 represses flowering. Both encode small, closely related transcription cofactors of ∼175 amino acids. Previous studies identified a potential ligand binding residue as well as a divergent external loop as critical for the differences in activity of FT and TFL1, but the mechanisms for the differential action of FT and TFL1 remain unclear. Here, we took an unbiased approach to probe the importance of residues throughout FT protein, testing the effects of hundreds of mutations in vivo. FT is surprisingly robust to a wide range of mutations, even in highly conserved residues. However, specific mutations in at least four different residues are sufficient to convert FT into a complete TFL1 mimic, even when expressed from TFL1 regulatory sequences. Modeling the effects of these mutations on the surface charge of FT protein suggests that the affected residues regulate the docking of an unknown ligand. These residues do not seem to alter the interaction with FD or 14-3-3 proteins, known FT interactors. Potential candidates for differential mediators of FT and TFL1 activities belong to the TCP (for TEOSINTE BRANCHED1, CYCLOIDEA, PCF) family of transcription factors.

Indexed as

Amino AcidsArabidopsisArabidopsis ProteinsBinding SitesBiological AssayFlowersGenetic Complementation TestHydrogen BondingLigandsLuciferasesModels, BiologicalMutagenesisMutationStatic ElectricityStructure-Activity RelationshipTime FactorsAmino AcidsArabidopsis ProteinsFT protein, ArabidopsisLigandsLuciferasesTFL1 protein, ArabidopsisTranscription Factors

Identifiers

PMID24532592
PMCPMC3967025

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.