ArticlePloS one2013
Identification and molecular characterization of FKF1 and GI homologous genes in soybean.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 67 citations in OpenAlex.
- FvGI-FvCO-FvFT1 pathway activates FvTFL1 in long days to repress flowering in woodland strawberry (Fragaria vesca).The New phytologist · 2026Article
- Flowering time regulation: a critical review focusing on FKF1 protein.Plant molecular biology · 2026Review
- Engineering plant photoreceptors towards enhancing plant productivity.Plant molecular biology · 2025Review
- Functional Verification of the Soybean Pseudo-Response FactorInternational journal of molecular sciences · 2025Article
- Cycling DOF factor mediated seasonal regulation of sexual reproduction and cold response is not conserved inPlant direct · 2024Article
- Identification of Apple Flower Development-Related Gene Families and Analysis of Transcriptional Regulation.International journal of molecular sciences · 2024Article
- Circadian and photoperiodic regulation of the vegetative to reproductive transition in plants.Communications biology · 2024Review
- Functional Characterization of thePlants (Basel, Switzerland) · 2024Article
- Association mapping in bambara groundnut [Vigna subterranea (L.) Verdc.] reveals loci associated with agro-morphological traits.BMC genomics · 2023Article
- Integrated 3D genome, epigenome and transcriptome analyses reveal transcriptional coordination of circadian rhythm in rice.Nucleic acids research · 2023Article
- Comparative transcriptome analysis on drought stress-induced floral formation ofPlant signaling & behavior · 2022Article
- In Silico Characterization and Expression Analysis of GIGANTEA Genes in Potato.Biochemical genetics · 2022Article
- Genome-wide identification, evolutionary and functional analyses of KFB family members in potato.BMC plant biology · 2022Article
- Modulation of Phototropin Signalosome with Artificial Illumination Holds Great Potential in the Development of Climate-Smart Crops.Current genomics · 2021Review
- Coordinative regulation of plants growth and development by light and circadian clock.aBIOTECH · 2021Review
- A flowering time locus dependent onMolecular breeding : new strategies in plant improvement · 2021Article
- Review
- Characterization of the FLAVIN-BINDING, KELCH REPEAT, F-BOX 1 HomologInternational journal of molecular sciences · 2021Article
- Flowering process in soybean under water deficit conditions: A review on genetic aspects.Genetics and molecular biology · 2021Article
- Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In Arabidopsis, FKF1 (FLAVIN BINDING, KELCH REPEAT, F-BOX1) and GI (GIGANTEA) play important roles in flowering pathway through regulating daytime CO (CONSTANS) expression, and such a function is conserved across plants studied. But related reports are limited for soybean. In this study, we cloned FKF1 and GI homologs in soybean, and named as GmFKF1, GmFKF2, GmGI1, GmGI2, and GmGI3, respectively. GmGI1 had two alternative splicing forms, GmGI1α and GmGI1β. GmFKF1/2 transcripts were diurnally regulated, with a peak at zeitgeber time 12 (ZT12) in long days and at ZT10 in short days. The diurnal phases between GmGIs transcript levels greatly differed. GmGI2 expression was regulated by both the circadian clock and photoperiod. But the rhythmic phases of GmGI1 and GmGI3 expression levels were mainly conferred by long days. GmFKFs shared similar spatio-temporal expression profiles with GmGIs in all of the tissue/organs in different developmental stages in both LD and SD. Both GmFKF and GmGI proteins were targeted to the nucleus. Yeast two hybrid assays showed GmFKF1/GmFKF2 interacted with GmGI1/GmGI2/GmCDF1 (CYCLING DOF FACTOR CDF1 homolog in soybean); and the LOV (Light, Oxygen, or Voltage) domain in GmFKF1/GmFKF2 played an important role in these interactions. N-terminus of GmGI2 was sufficient to mediate its interaction with GmCDF1. Interestingly, N-terminus not full of GmGI3 interacted with GmFKF1/GmFKF2/GmCDF1. Ectopic over-expression of the GmFKF1 or GmFKF2 in Arabidopsis enhanced flowering in SD. Collectively, GmFKF and GmGI in soybean had conserved functional domains at DNA sequence level, but specific characters at function level with their homologs in other plants.
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