Cited by 1,248Plant Molecular Biology ResearchFlowering Plant Growth and CultivationLight effects on plants

Hd3a protein is a mobile flowering signal in rice

Tamaki, Shojiro, Matsuo, Shoichi, Wong, Hann Ling, Yokoi, Shuji, Shimamoto, Ko·2007·Science

Abstract

Florigen, the mobile signal that moves from an induced leaf to the shoot apex and causes flowering, has eluded identification since it was first proposed 70 years ago. Understanding the nature of the mobile flowering signal would provide a key insight into the molecular mechanism of floral induction. Recent studies suggest that the Arabidopsis FLOWERING LOCUS T ( FT ) gene is a candidate for encoding florigen. We show that the protein encoded by Hd3a , a rice ortholog of FT , moves from the leaf to the shoot apical meristem and induces flowering in rice. These results suggest that the Hd3a protein may be the rice florigen.

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Crossref · 10.1126/science.1141753

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  • The FT/TFL1 balance might regulate branching: a high ratio leads to increased branching and a low ratio to decreased branching.

    “According to this hypothesis, the FT/TFL1 balance might be a regulator of branching: a high ratio leads to increased branching and a low ratio to decreased branching, as shown in rice (Tamaki et al., 2007), rose (Randoux et al., 2014), or tomato (Lifschitz, 2008) by using mutants or transgenic plants that over-expressed FT/TFL1 genes.”

    From Multiple pathways regulate shoot branching (2015) · cites this paper as Tamaki et al., 2007

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Authors
Tamaki, S., Matsuo, S., Wong, H. L., Yokoi, S., & Shimamoto, K.
Affiliations
Nara Institute of Science and Technology (JP)
Corresponding author
  • Yokoi, Shuji
  • Shimamoto, Ko
Venue
Science
Published
2007-05-18
Volume
316
Issue
5827
Pages
1033-1036
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2024294468
Cited by
1,248
References
26
Citations by year
2026: 48 · 2025: 68 · 2024: 62 · 2023: 55 · 2022: 91 · 2021: 80 · 2020: 70 · 2019: 53 · 2018: 48 · 2017: 51 · 2016: 62 · 2015: 69 · 2014: 64 · 2013: 84 · 2012: 67
FWCI
82.23
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Flowering Plant Growth and Cultivation
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Light effects on plants
Keywords
florigen, Hd3a, FLOWERING LOCUS T, rice, floral induction, shoot apical meristem, flowering time
MeSH terms
Light, Periodicity, Plant Proteins, Recombinant Fusion Proteins, Oryza, RNA, Messenger, Transcription, Genetic, Signal Transduction, Gene Expression Regulation, Plant, Plant Leaves, Meristem, Plant Shoots, Plant Stems, RNA, Plant, Protein Transport, Plants, Genetically Modified, Flowers

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