ArticleThe New phytologist2021
Strong photoperiod sensitivity is controlled by cooperation and competition among Hd1, Ghd7 and DTH8 in rice heading.
Article in The New phytologist, 2021. 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 84 papers.
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84 citing papers in PubMed, 168 citations in OpenAlex.
- FvGI-FvCO-FvFT1 pathway activates FvTFL1 in long days to repress flowering in woodland strawberry (Fragaria vesca).The New phytologist · 2026Article
- Genomic analyses of weedy rice reveal historical connections between European and northwestern Chinese rice.Plant communications · 2026Article
- Mineral nutrients as regulators of plant flowering time: A molecular perspective.Journal of integrative plant biology · 2026Review
- Comparative transcriptome analysis reveals key genes and regulatory networks regulating flowering in rice varieties with different photoperiod sensitivity.BMC plant biology · 2026Article
- OsABCB4 disruption impairs auxin homeostasis, delaying heading and compromising agronomic traits in rice.Journal of plant research · 2026Article
- Unraveling Advances in Rice Male Sterility Systems: From Genetic Basis to Hybrid Breeding Innovation.Plants (Basel, Switzerland) · 2026Review
- The DTH8-SD1 pair regulates panicle architecture in rice.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Accelerated breeding for early-maturing and aromatic glutinous restorer lines with CRISPR/Cas9-mediated targeted editing for hybrid rice.BMC plant biology · 2026Article
- U-Shaped Response of Flowering Time to Low and High Nitrogen via a Transcription Feedback Loop in Rice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Rice OsFKF1 Promotes Degradation of OsPRR37 for Short-Day Early Flowering.Rice (New York, N.Y.) · 2025Article
- The Effects of Photoperiodic Transcription Factor OsPRR37 on Grain Filling and Starch Synthesis During Rice Caryopsis Development.Plants (Basel, Switzerland) · 2025Article
- A novel allele of Days to Heading 8 promotes heading, potentially widening indica rice adaptation in Japan.The plant genome · 2025Article
- Adaptive response of cultivated rice (Oryza sativa ssp. indica) flowers to low sunlight intensity.Biologia futura · 2025Article
- The RING-domain E3 ubiquitin ligase OsRGLG6 regulates rice grain number and yield via ubiquitination-mediated degradation of OsOTUB1.aBIOTECH · 2025Article
- Article
- ricePSP: a database of rice phase separation-associated proteins.Genome biology · 2025Article
- Nuclear factor-Y transcription factors in crops: Biological roles, regulation, and breeding applications.Plant communications · 2025Review
- Photoperiodic flowering regulators are required for nitrogen-dependent flowering delay in rice under long-day condition.Nature communications · 2025Article
- Rice Zinc-Finger Homeodomain 1 (OsZHD1) Finetunes Flowering Time by Modulating the Photoperiodic Response.Plant, cell & environment · 2025Article
- JMJ720 regulates flowering time in rice via H3K9 demethylation of Hd1.Plant biotechnology journal · 2025Article
24 more citing papers are in PubMed but not listed here.
Corrections and comments
- Erratum issuedCorrigendum.2023
Authors and funding
18 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rice (Oryza sativa) is a short-day (SD) plant originally having strong photoperiod sensitivity (PS), with SDs promoting and long days (LDs) suppressing flowering. Although the evolution of PS in rice has been extensively studied, there are few studies that combine the genetic effects and underlying mechanism of different PS gene combinations with variations in PS. We created a set of isogenic lines among the core PS-flowering genes Hd1, Ghd7 and DTH8 using CRISPR mutagenesis, to systematically dissect their genetic relationships under different day-lengths. We investigated their monogenic, digenic, and trigenic effects on target gene regulation and PS variation. We found that Hd1 and Ghd7 have the primary functions for promoting and repressing flowering, respectively, regardless of day-length. However, under LD conditions, Hd1 promotes Ghd7 expression and is recruited by Ghd7 and/or DTH8 to form repressive complexes that collaboratively suppress the Ehd1-Hd3a/RFT1 pathway to block heading, but under SD conditions Hd1 competes with the complexes to promote Hd3a/RFT1 expression, playing a tradeoff relationship with PS flowering. Natural allelic variations of Hd1, Ghd7 and DTH8 in rice populations have resulted in various PS performances. Our findings reveal that rice PS flowering is controlled by crosstalk of two modules - Hd1-Hd3a/RFT1 in SD conditions and (Hd1/Ghd7/DTH8)-Ehd1-Hd3a/RFT1 in LD conditions - and the divergences of these genes provide the basis for rice adaptation to broad regions.
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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.