Evidence map›Paper›PMID 26864016›Full record

ArticlePlant physiology2016

Homodimerization of Ehd1 Is Required to Induce Flowering in Rice.

Lae-Hyeon Cho, Jinmi Yoon, Richa Pasriga, Gynheung An

Abstract read
In one paragraph

Article in Plant physiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing 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

56 citing papers in PubMed.

  1. Article
  2. Genomic Insights intoInternational journal of molecular sciences · 2025
    Article
  3. Article
  4. Article
  5. Review
  6. Review
  7. Article
  8. Article
  9. Review
  10. Insights on physiological, antioxidant and flowering response to salinity stress of two candidate ornamental species: the native coastal geophytesPhysiology and molecular biology of plants : an international journal of functional plant biology · 2024
    Article
  11. Review
  12. OsCOL5 suppresses heading through modulation of Ghd7 and Ehd2, enhancing rice yield.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024
    Article
  13. Article
  14. Article
  15. Improving yield-related traits by editing the promoter of the heading date gene Ehd1 in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023
    Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Sucrose preferentially promotes expression ofFrontiers in plant science · 2023
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Lae-Hyeon ChoCrop Biotech Institute, Kyung Hee University, Yongin 446-701, Korea (L.-H.C., J.Y., R.P., G.A.);Department of Life Science, Pohang University of Science and Technology, Pohang 790-784, Korea (L.-H.C., J.Y.); andGraduate School of Biotechnology, Kyung Hee University, Yongin 446-701, Korea (R.P., G.A.).
Jinmi YoonCrop Biotech Institute, Kyung Hee University, Yongin 446-701, Korea (L.-H.C., J.Y., R.P., G.A.);Department of Life Science, Pohang University of Science and Technology, Pohang 790-784, Korea (L.-H.C., J.Y.); andGraduate School of Biotechnology, Kyung Hee University, Yongin 446-701, Korea (R.P., G.A.).
Richa PasrigaCrop Biotech Institute, Kyung Hee University, Yongin 446-701, Korea (L.-H.C., J.Y., R.P., G.A.);Department of Life Science, Pohang University of Science and Technology, Pohang 790-784, Korea (L.-H.C., J.Y.); andGraduate School of Biotechnology, Kyung Hee University, Yongin 446-701, Korea (R.P., G.A.).
Gynheung AnCrop Biotech Institute, Kyung Hee University, Yongin 446-701, Korea (L.-H.C., J.Y., R.P., G.A.);Department of Life Science, Pohang University of Science and Technology, Pohang 790-784, Korea (L.-H.C., J.Y.); andGraduate School of Biotechnology, Kyung Hee University, Yongin 446-701, Korea (R.P., G.A.) genean@khu.ac.kr.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In plants, flowering time is elaborately controlled by various environment factors. Ultimately, florigens such as FLOWERING LOCUS T (FT) or FT-like molecules induce flowering. In rice (Oryza sativa), Early heading date 1 (Ehd1) is a major inducer of florigen gene expression. Although Ehd1 is highly homologous to the type-B response regulator (RR) family in the cytokinin signaling pathway, its precise molecular mechanism is not well understood. In this study, we showed that the C-terminal portion of the protein containing the GARP DNA-binding (G) domain can promote flowering when overexpressed. We also observed that the N-terminal portion of Ehd1, carrying the receiver (R) domain, delays flowering by inhibiting endogenous Ehd1 activity. Ehd1 protein forms a homomer via a 16-amino acid region in the inter domain between R and G. From the site-directed mutagenesis analyses, we demonstrated that phosphorylation of the Asp-63 residue within the R domain induces the homomerization of Ehd1, which is crucial for Ehd1 activity. A type-A RR, OsRR1, physically interacts with Ehd1 to form a heterodimer. In addition, OsRR1-overexpressing plants show a late-flowering phenotype. Based on these observations, we conclude that OsRR1 inhibits Ehd1 activity by binding to form an inactive complex.

Indexed as

Protein MultimerizationAspartic AcidFlowersModels, BiologicalMutant ProteinsNuclear Localization SignalsOryzaPhenotypePhosphorylationPlant ProteinsPlants, Genetically ModifiedProtein BindingProtein DomainsTranscriptional ActivationTranscription, GeneticTwo-Hybrid System TechniquesAspartic AcidMutant ProteinsNuclear Localization SignalsPlant Proteins

Identifiers

PMID26864016
PMCPMC4825144

What OpenQuestion holds

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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.