Gene Symbol: AGL20
Description: AGAMOUS-like 20
Species: thale cress
Products:     AGL20

Top Publications

  1. Samach A, Onouchi H, Gold S, Ditta G, Schwarz Sommer Z, Yanofsky M, et al. Distinct roles of CONSTANS target genes in reproductive development of Arabidopsis. Science. 2000;288:1613-6 pubmed
    ..Two of these genes, SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) and FLOWERING LOCUS T (FT), are required for CO to promote flowering; the others are ..
  2. Gregis V, Sessa A, Dorca Fornell C, Kater M. The Arabidopsis floral meristem identity genes AP1, AGL24 and SVP directly repress class B and C floral homeotic genes. Plant J. 2009;60:626-37 pubmed publisher
    ..Furthermore, we show that the distantly related suppressor of overexpression of CO 1 (SOC1) MADS box gene can complement for the loss of AGL24 and SVP activity; however, under normal ..
  3. Lee J, Oh M, Park H, Lee I. SOC1 translocated to the nucleus by interaction with AGL24 directly regulates leafy. Plant J. 2008;55:832-43 pubmed publisher
    Suppressor of overexpression of constans1 (SOC1) is one of the flowering pathway integrators and regulates the expression of LEAFY (LFY), which links floral induction and floral development...
  4. Tao Z, Shen L, Liu C, Liu L, Yan Y, Yu H. Genome-wide identification of SOC1 and SVP targets during the floral transition in Arabidopsis. Plant J. 2012;70:549-61 pubmed publisher
    ..SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1) and SHORT VEGETATIVE PHASE (SVP), two key MADS-domain transcription factors, perceive these signals and function ..
  5. Torti S, Fornara F. AGL24 acts in concert with SOC1 and FUL during Arabidopsis floral transition. Plant Signal Behav. 2012;7:1251-4 pubmed publisher
    ..SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1) and FRUITFULL (FUL) are induced by FT at the apex...
  6. Immink R, Posé D, Ferrario S, Ott F, Kaufmann K, Valentim F, et al. Characterization of SOC1's central role in flowering by the identification of its upstream and downstream regulators. Plant Physiol. 2012;160:433-49 pubmed publisher
    ..Arabidopsis thaliana) is the MADS domain transcription factor SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1)...
  7. Helliwell C, Wood C, Robertson M, James Peacock W, Dennis E. The Arabidopsis FLC protein interacts directly in vivo with SOC1 and FT chromatin and is part of a high-molecular-weight protein complex. Plant J. 2006;46:183-92 pubmed
    ..genetic and transgenic data have suggested that FLC acts by repressing expression of the floral integrator genes SOC1 and FT...
  8. Liu C, Chen H, Er H, Soo H, Kumar P, Han J, et al. Direct interaction of AGL24 and SOC1 integrates flowering signals in Arabidopsis. Development. 2008;135:1481-91 pubmed publisher
    ..system in combination with microarray analysis, we identified AGL24-induced genes, including SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1), a floral pathway integrator...
  9. Lee H, Suh S, Park E, Cho E, Ahn J, Kim S, et al. The AGAMOUS-LIKE 20 MADS domain protein integrates floral inductive pathways in Arabidopsis. Genes Dev. 2000;14:2366-76 pubmed
    ..A MADS-domain gene, AGAMOUS-LIKE 20 (AGL20), was identified as a dominant FRI suppressor in activation tagging mutagenesis...

More Information


  1. Borner R, Kampmann G, Chandler J, Gleissner R, Wisman E, Apel K, et al. A MADS domain gene involved in the transition to flowering in Arabidopsis. Plant J. 2000;24:591-9 pubmed
    ..So far, several genes have been identified that are involved in flowering time control. AGL20 (AGAMOUS LIKE 20) is a MADS domain gene from Arabidopsis that is activated in shoot apical meristems during the transition to ..
  2. Moon J, Lee H, Kim M, Lee I. Analysis of flowering pathway integrators in Arabidopsis. Plant Cell Physiol. 2005;46:292-9 pubmed
    ..The key genes integrating multiple flowering pathways are FT, SOC1 and LFY. To elucidate the interactions among these integrators, genetic analyses were performed...
  3. Kim H, Abbasi N, Choi S. Bruno-like proteins modulate flowering time via 3' UTR-dependent decay of SOC1 mRNA. New Phytol. 2013;198:747-56 pubmed publisher
    ..Crossing of 35S::AtBRNs with SOC1 101-D plants demonstrated that 35S::AtBRNs suppress an early-flowering phenotype of SOC1 101-D in which the coding ..
  4. Liu C, Zhou J, Bracha Drori K, Yalovsky S, Ito T, Yu H. Specification of Arabidopsis floral meristem identity by repression of flowering time genes. Development. 2007;134:1901-10 pubmed
    ..genes, including SHORT VEGETATIVE PHASE (SVP), AGAMOUS-LIKE 24 (AGL24) and SUPPRESSOR OF OVEREXPRESSION OF CO1 (SOC1). In wild-type plants, these flowering time genes are normally downregulated in emerging floral meristems...
  5. Dorca Fornell C, Gregis V, Grandi V, Coupland G, Colombo L, Kater M. The Arabidopsis SOC1-like genes AGL42, AGL71 and AGL72 promote flowering in the shoot apical and axillary meristems. Plant J. 2011;67:1006-17 pubmed publisher
    ..b>SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) acts in Arabidopsis as an integrative centre of these pathways, promoting the floral ..
  6. Chen J, Zhu X, Ren J, Qiu K, Li Z, Xie Z, et al. Suppressor of Overexpression of CO 1 Negatively Regulates Dark-Induced Leaf Degreening and Senescence by Directly Repressing Pheophytinase and Other Senescence-Associated Genes in Arabidopsis. Plant Physiol. 2017;173:1881-1891 pubmed publisher
    ..b>SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1), a key flowering pathway integrator, was initially identified as one of the putative trans-..
  7. Seo E, Lee H, Jeon J, Park H, Kim J, Noh Y, et al. Crosstalk between cold response and flowering in Arabidopsis is mediated through the flowering-time gene SOC1 and its upstream negative regulator FLC. Plant Cell. 2009;21:3185-97 pubmed publisher
    ..The Arabidopsis thaliana flowering-time gene SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1) encodes a MADS box transcription factor and is one of the key floral activators integrating multiple floral ..
  8. Song H, Song J, Cho J, Amasino R, Noh B, Noh Y. The RNA binding protein ELF9 directly reduces SUPPRESSOR OF OVEREXPRESSION OF CO1 transcript levels in arabidopsis, possibly via nonsense-mediated mRNA decay. Plant Cell. 2009;21:1195-211 pubmed publisher
    SUPPRESSOR OF OVEREXPRESSION OF CO1 (SOC1) is regulated by a complex transcriptional regulatory network that allows for the integration of multiple floral regulatory inputs from photoperiods, gibberellin, and FLOWERING LOCUS C...
  9. Khan M, Khan I, Ali G. MPF2-like MADS-box genes affecting expression of SOC1 and MAF1 are recruited to control flowering time. Mol Biotechnol. 2013;54:25-36 pubmed publisher
    ..plants as well as to probe their effects on the expression of SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1, a floral promoter) and MADS AFFECTING FLOWERING 1 (MAF1, a floral repressor) genes...
  10. Michaels S, Himelblau E, Kim S, Schomburg F, Amasino R. Integration of flowering signals in winter-annual Arabidopsis. Plant Physiol. 2005;137:149-56 pubmed
    ..FLC acts to delay flowering, in part, by suppressing expression of the floral promoter SOC1 (SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1). Vernalization leads to a permanent epigenetic suppression of FLC...
  11. Hyun Y, Richter R, Vincent C, Martinez Gallegos R, Porri A, Coupland G. Multi-layered Regulation of SPL15 and Cooperation with SOC1 Integrate Endogenous Flowering Pathways at the Arabidopsis Shoot Meristem. Dev Cell. 2016;37:254-66 pubmed publisher
    ..Furthermore, SPL15 and the MADS-box protein SOC1 cooperate to promote transcription of their target genes...
  12. Kang M, Yoo S, Kwon H, Lee B, Cho J, Noh Y, et al. Negative regulatory roles of DE-ETIOLATED1 in flowering time in Arabidopsis. Sci Rep. 2015;5:9728 pubmed publisher
    ..These data demonstrate that DET1 acts in both photoperiod and autonomous pathways to inhibit expression of FT and SOC1. Consistent with this, the early flowering of det1-1 mutants disappears completely in the ft-1 soc1-2 double mutant ..
  13. Richter R, Bastakis E, Schwechheimer C. Cross-repressive interactions between SOC1 and the GATAs GNC and GNL/CGA1 in the control of greening, cold tolerance, and flowering time in Arabidopsis. Plant Physiol. 2013;162:1992-2004 pubmed publisher
    ..that the two GATA factors act upstream from the flowering time regulator SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1) to directly repress SOC1 expression and thereby repress flowering...
  14. Hori Y, Nishidate K, Nishiyama M, Kanahama K, Kanayama Y. Flowering and expression of flowering-related genes under long-day conditions with light-emitting diodes. Planta. 2011;234:321-30 pubmed publisher
    ..paniculata or Arabidopsis. Instead, the expression of the SOC1 homolog of G. paniculata GpSOC1 and SOC1 was induced by far-red light in G. paniculata and Arabidopsis...
  15. MacLean A, Orlovskis Z, Kowitwanich K, Zdziarska A, Angenent G, Immink R, et al. Phytoplasma effector SAP54 hijacks plant reproduction by degrading MADS-box proteins and promotes insect colonization in a RAD23-dependent manner. PLoS Biol. 2014;12:e1001835 pubmed publisher
  16. Balanzá V, Martínez Fernández I, Ferrandiz C. Sequential action of FRUITFULL as a modulator of the activity of the floral regulators SVP and SOC1. J Exp Bot. 2014;65:1193-203 pubmed publisher
    ..been shown to promote flowering in a partially redundant manner with suppressor of overexpression of constans 1 (SOC1)...
  17. Wang Y, Liu C, Yang D, Yu H, Liou Y. Pin1At encoding a peptidyl-prolyl cis/trans isomerase regulates flowering time in Arabidopsis. Mol Cell. 2010;37:112-22 pubmed publisher
    ..isomerization of the phosphorylated Ser/Thr-Pro motifs in two MADS-domain transcription factors, SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) and AGAMOUS-LIKE 24 (AGL24)...
  18. Del Olmo I, López J, Vázquez J, Raynaud C, Piñeiro M, Jarillo J. Arabidopsis DNA polymerase ϵ recruits components of Polycomb repressor complex to mediate epigenetic gene silencing. Nucleic Acids Res. 2016;44:5597-614 pubmed publisher
    ..Furthermore, Pol ϵ is involved in the epigenetic silencing of the floral integrator genes FT and SOC1, but the molecular nature of the transcriptional gene silencing mechanisms involved remains elusive...
  19. Yoo S, Chung K, Kim J, Lee J, Hong S, Yoo S, et al. CONSTANS activates SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 through FLOWERING LOCUS T to promote flowering in Arabidopsis. Plant Physiol. 2005;139:770-8 pubmed
    ..time by positively regulating expression of two floral integrators, FLOWERING LOCUS T (FT) and SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1), in Arabidopsis (Arabidopsis thaliana)...
  20. Kimura Y, Aoki S, Ando E, Kitatsuji A, Watanabe A, Ohnishi M, et al. A flowering integrator, SOC1, affects stomatal opening in Arabidopsis thaliana. Plant Cell Physiol. 2015;56:640-9 pubmed publisher
    ..Here we show that SOC1, which encodes a MADS box transcription factor and integrates multiple flowering signals, also exerts a positive ..
  21. Pelaz S, Gustafson Brown C, Kohalmi S, Crosby W, Yanofsky M. APETALA1 and SEPALLATA3 interact to promote flower development. Plant J. 2001;26:385-94 pubmed
    ..Taken together, these studies suggest that SEP3 interacts with AP1 to promote normal flower development. ..
  22. Riboni M, Galbiati M, Tonelli C, Conti L. GIGANTEA enables drought escape response via abscisic acid-dependent activation of the florigens and SUPPRESSOR OF OVEREXPRESSION OF CONSTANS. Plant Physiol. 2013;162:1706-19 pubmed publisher
    ..This mechanism explains how environmental cues may act upon the florigen genes in a photoperiodically controlled manner, thus enabling plastic flowering responses. ..
  23. Sheldon C, Finnegan E, Dennis E, Peacock W. Quantitative effects of vernalization on FLC and SOC1 expression. Plant J. 2006;45:871-83 pubmed
    ..SUPPRESSOR OF OVER-EXPRESSION OF CO 1 (SOC1), a downstream target of FLC, is quantitatively induced by vernalization in a reciprocal manner to FLC...
  24. Jung J, Ju Y, Seo P, Lee J, Park C. The SOC1-SPL module integrates photoperiod and gibberellic acid signals to control flowering time in Arabidopsis. Plant J. 2012;69:577-88 pubmed publisher
    ..Here, we show that SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1) and FT regulate the SPL3, SPL4 and SPL5 genes by directly binding to the gene promoters in response to photoperiod ..
  25. Xu M, Hu T, McKim S, Murmu J, Haughn G, Hepworth S. Arabidopsis BLADE-ON-PETIOLE1 and 2 promote floral meristem fate and determinacy in a previously undefined pathway targeting APETALA1 and AGAMOUS-LIKE24. Plant J. 2010;63:974-89 pubmed publisher
    ..These data reveal an important supporting role for BOP1/2 in remodeling shoot architecture during the floral transition. ..
  26. Liu C, Xi W, Shen L, Tan C, Yu H. Regulation of floral patterning by flowering time genes. Dev Cell. 2009;16:711-22 pubmed publisher
    ..regulated by three flowering time genes, SHORT VEGETATIVE PHASE (SVP), SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1), and AGAMOUS-LIKE 24 (AGL24), through direct control of a LFY coregulator, SEPALLATA3 (SEP3)...