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Gene : AGL20 A. thaliana
Gene ID  ? AT2G45660
Brief Description  AGAMOUS-like 20  Source: Araport11 (06/2016).
Is Obsolete?  false
Computational Description  ? AGAMOUS-like 20 (AGL20); FUNCTIONS IN: sequence-specific DNA binding transcription factor activity; INVOLVED IN: flower development, response to cold, positive regulation of flower development, maintenance of inflorescence meristem identity; LOCATED IN: nucleus; EXPRESSED IN: 22 plant structures; EXPRESSED DURING: 12 growth stages; CONTAINS InterPro DOMAIN/s: Transcription factor, MADS-box (InterPro:IPR002100), Transcription factor, K-box (InterPro:IPR002487); BEST Arabidopsis thaliana protein match is: AGAMOUS-like 42 (TAIR:AT5G62165.3).  Source: TAIR, Jun 30, 2015.
Curator Summary  ? Controls flowering and is required for CO to promote flowering. It acts downstream of FT. Overexpression of (SOC1) AGL20 suppresses not only the late flowering of plants that have functional FRI and FLC alleles but also the delayed phase transitions during the vegetative stages of development. AGL20/SOC1 acts with AGL24 to promote flowering and inflorescence meristem identity.AGL20 upregulates expression of AGL24 in response to GA.  Source: TAIR, Jun 30, 2015.
Name  ? AGAMOUS-like 20
  • synonyms:
  • SUPPRESSOR OF OVEREXPRESSION OF CO 1,
  • ATSOC1,
  • SOC1,
  • SUPPRESSOR OF OVEREXPRESSION OF CO 1
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22 GeneRIFs (Gene References Into Functions)

Data Source: NCBI

Annotation PubMed Id
Activation of SOC1 expression by FT and TSF in winter-annual flowering A. thaliana. [SOC1] 15618421
FT regulates SOC1 expression, and SOC1 regulates LFY expression [SOC1] 15695467
inactivation of FT caused down-regulation of SOC1 even in plants overexpressing CO, indicating that FT is required for SOC1 induction by CO 16183837
SOC1 gene. MADS box proteins are thought to bind their DNA targets as dimers or higher-order multimers 16623882
once AP1 is activated during the floral transition, it acts partly as a master repressor in floral meristems by directly suppressing the expression of flowering time genes SVP, AGL24 and SOC1, preventing continuation of the shoot developmental program 17428825
during floral transition, a positive-feedback loop conferred by direct transcriptional regulation between AGL24 and SOC1 at the shoot apex integrates flowering signals 18339670
Interaction with AGL24 relocates SOC1 to the nucleus, where SOC1 regulates leafy expression by binding to the LFY promoter. 18466303
EARLY FLOWERING9 (ELF9), an Arabidopsis thaliana RNA binding protein, directly targets the SOC1 transcript and reduces SOC1 mRNA levels. 19376936
SOC1 is able to bind directly to regulatory regions of class B and C homeotic genes. 19656343
Results demonstrate the presence of feedback loop that delays flowering through the increase of FLC when a cold spell is transient but suppresses the cold response when floral induction occurs through the repression of cold-inducible genes by SOC1. 19825833
Flowering was promoted by induction of FT and SOC1 expression with blue light in Arabidopsis, whereas GpFTs and GpSOC1 expression was low with blue light induction in G. paniculata. 21431295
SOC1 directly controls the expression of AGL42, AGL71 and AGL72 to balance the expression level of these SOC1-like genes. 21609362
SOC1-SPL module serves as a molecular link that integrates photoperiod and gibberellic acid signals to promote flowering in Arabidopsis. 21988498
Findings show that feedback regulatory loops mediated by SOC1 and SVP are essential components of the gene regulatory networks that underpin the integration of flowering signals during floral transition. 22268548
Our studies provide insight into the role of MPF2-like genes in phase transition by interacting with SOC1 and MAF1 genes, thereby also pointing to their significance as potential candidates for modifying flowering in crop plants in the future. 22539207
SOC1 constitutes a major hub in the regulatory networks underlying floral timing and flower development and that these networks are composed of many positive and negative autoregulatory and feedback loops. 22791302
Flowering is controlled by AGL24 partly independently of SOC1 and FUL. 22902690
3' UTR-mediated SOC1 mRNA destabilization by AtBRN1 and AtBRN2 proteins. 23437850
The drought escape response requires GI, FT/TSF, and AGL20 proteins in Arabidopsis.Abscisic acid up-regulates AGL20 expression in a photoperiod-dependent manner. 23719890
a cross-repressive interaction of GNC and GNL on the one side and SOC1 on the other in the control of flowering time, greening, and cold tolerance 23739688
The sequential formation of FUL-SVP and FUL-SOC1 heterodimers may mediate the vegetative and meristem identity transitions, counteracting the repressive effect of FLC and SVP on flowering. 24465009
SOC1 is involved in the regulation of stomatal opening via transcriptional regulation in guard cells. 25588388

Genomics

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12 Flanking Regions

Flank size: from most upstream transcription start site, or most downstream transcription stop site

Region Name Flank Size Direction Length Gene Included? Chromosome Location
AT2G45660 0.5kb upstream 0.5kb upstream 4121   true Chr2: 18807505-18811625
AT2G45660 0.5kb upstream 0.5kb upstream 500   false Chr2: 18811126-18811625
AT2G45660 0.5kb downstream 0.5kb downstream 4121   true Chr2: 18807005-18811125
AT2G45660 0.5kb downstream 0.5kb downstream 500   false Chr2: 18807005-18807504
AT2G45660 1.0kb upstream 1.0kb upstream 4621   true Chr2: 18807505-18812125
AT2G45660 1.0kb upstream 1.0kb upstream 1000   false Chr2: 18811126-18812125
AT2G45660 1.0kb downstream 1.0kb downstream 4621   true Chr2: 18806505-18811125
AT2G45660 1.0kb downstream 1.0kb downstream 1000   false Chr2: 18806505-18807504
AT2G45660 3.0kb upstream 3.0kb upstream 6621   true Chr2: 18807505-18814125
AT2G45660 3.0kb upstream 3.0kb upstream 3000   false Chr2: 18811126-18814125
AT2G45660 3.0kb downstream 3.0kb downstream 6621   true Chr2: 18804505-18811125
AT2G45660 3.0kb downstream 3.0kb downstream 3000   false Chr2: 18804505-18807504

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11 Data Sets

Name Description Version
BAR Annotations Lookup Mapping(s) between AGI locus and Affy Probeset identifier 10/08/2013
Genome Annotation Araport11 protein-coding, non-coding and transposable element genes Araport11 (06/2016)
RNA-seq expression Measure of gene expression levels (Transcripts per Million, TPM) quantified by Salmon Araport11 (06/2016)
PubMed to gene mapping Curated associations between publications and NCBI Gene records 8/12/2016
GO Annotation from UniProt GO annotations assigned by UniProt 8/01/2016
PO Annotation from TAIR Literature-based annotations of genes to Plant Ontology (PO) terms 06/30/2015
Swiss-Prot data set High-quality, manually annotated, non-redundant protein sequence database 2016_07
Panther data set PANTHER paralogs from Arabidopsis 11.0
GeneRIF Concise phrase describing gene function and publication associated with NCBI Gene records 8/12/2016
IntAct interactions data set Curated binary and complex protein-protein interactions for Arabidopsis thaliana 8/02/2016
BioGRID interaction data set Curated set of genetic and physical interactions for Arabidopsis thaliana 3.4.139




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