Genomes and Genes
Experts and Doctors on arabidopsis proteins in Singapore, Central Singapore, Singapore
Locale: Singapore, Central Singapore, Singapore
Topic: arabidopsis proteins
- Cheng H, Qin L, Lee S, Fu X, Richards D, Cao D, et al. Gibberellin regulates Arabidopsis floral development via suppression of DELLA protein function. Development. 2004;131:1055-64 pubmed..GA thus promotes Arabidopsis petal, stamen and anther development by opposing the function of the DELLA proteins RGA, RGL1 and RGL2. ..
- Ali S, Chee S, Yuen G, Olivo M. Hypericin induced death receptor-mediated apoptosis in photoactivated tumor cells. Int J Mol Med. 2002;9:601-16 pubmed
- Chan S, Tan K, Zhang L, Yee K, Ronca F, Chan M, et al. F1Aalpha, a death receptor-binding protein homologous to the Caenorhabditis elegans sex-determining protein, FEM-1, is a caspase substrate that mediates apoptosis. J Biol Chem. 1999;274:32461-8 pubmed..F1Aalpha is therefore a member of a growing family of death receptor-associated proteins that mediates apoptosis. ..
- Jullien P, Mosquna A, Ingouff M, Sakata T, Ohad N, Berger F. Retinoblastoma and its binding partner MSI1 control imprinting in Arabidopsis. PLoS Biol. 2008;6:e194 pubmed publisher..We have thus identified a new mechanism required for imprinting establishment, outlining a new role for the Retinoblastoma pathway, which may be conserved in mammals. ..
- Gu X, Le C, Wang Y, Li Z, Jiang D, Wang Y, et al. Arabidopsis FLC clade members form flowering-repressor complexes coordinating responses to endogenous and environmental cues. Nat Commun. 2013;4:1947 pubmed publisher..Our results collectively suggest that the FLOWERING LOCUS C clade members act as part of several MADS-domain complexes with partial redundancy, which integrate responses to endogenous and environmental cues to control flowering. ..
- Jullien P, Berger F. Parental genome dosage imbalance deregulates imprinting in Arabidopsis. PLoS Genet. 2010;6:e1000885 pubmed publisher..The complexity of the network of regulations between expressed and silenced alleles of imprinted genes activated in response to parental dosage imbalance does not support simple models derived from the parental conflict hypothesis. ..
- Wang M, Soyano T, Machida S, Yang J, Jung C, Chua N, et al. Molecular insights into plant cell proliferation disturbance by Agrobacterium protein 6b. Genes Dev. 2011;25:64-76 pubmed publisher..Our work provides molecular insights, suggesting that 6b regulates plant cell growth by the disturbance of the miRNA pathway through its ADP ribosylation activity. ..
- Guo H, Xie Q, Fei J, Chua N. MicroRNA directs mRNA cleavage of the transcription factor NAC1 to downregulate auxin signals for arabidopsis lateral root development. Plant Cell. 2005;17:1376-86 pubmed..Moreover, the cleavage-resistant form of NAC1 mRNA was unaffected by auxin treatment. Our results indicate that auxin induction of miR164 provides a homeostatic mechanism to clear NAC1 mRNA to downregulate auxin signals. ..
- Ng K, Yu H, Ito T. AGAMOUS controls GIANT KILLER, a multifunctional chromatin modifier in reproductive organ patterning and differentiation. PLoS Biol. 2009;7:e1000251 pubmed publisher..We propose that GIK acts as a molecular node downstream of the homeotic protein AG, regulating patterning and differentiation of reproductive organs through chromatin organization. ..
- Xie Q, Guo H, Dallman G, Fang S, Weissman A, Chua N. SINAT5 promotes ubiquitin-related degradation of NAC1 to attenuate auxin signals. Nature. 2002;419:167-70 pubmed..Low expression of NAC1 in roots can be increased by treatment with a proteasome inhibitor, which indicates that SINAT5 targets NAC1 for ubiquitin-mediated proteolysis to downregulate auxin signals in plant cells. ..
- 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..Taken together, we propose that phosphorylation-dependent prolyl cis/trans isomerization of key transcription factors is an important flowering regulatory mechanism. ..
- Stamm P, Ravindran P, Mohanty B, Tan E, Yu H, Kumar P. Insights into the molecular mechanism of RGL2-mediated inhibition of seed germination in Arabidopsis thaliana. BMC Plant Biol. 2012;12:179 pubmed publisher..Collectively, our data indicate that gibberellins, acting via RGL2, control several aspects of seed germination. ..
- Yang S, Xie L, Mao H, Puah C, Yang W, Jiang L, et al. Tapetum determinant1 is required for cell specialization in the Arabidopsis anther. Plant Cell. 2003;15:2792-804 pubmed..These data suggest that the TPD1 product plays an important role in the differentiation of tapetal cells, possibly in coordination with the EMS1/EXS gene product, a Leu-rich repeat receptor protein kinase. ..
- Xi W, Yu H. MOTHER OF FT AND TFL1 regulates seed germination and fertility relevant to the brassinosteroid signaling pathway. Plant Signal Behav. 2010;5:1315-7 pubmed..Therefore, these results suggest that MFT affects seed germination and fertility relevant to the BR signaling pathway. ..
- FitzGerald J, Luo M, Chaudhury A, Berger F. DNA methylation causes predominant maternal controls of plant embryo growth. PLoS ONE. 2008;3:e2298 pubmed publisher..We conclude that the regulation of embryo growth by MET1 results from a combination of predominant maternal controls, and that DNA methylation maintained by MET1 does not orchestrate a parental conflict. ..
- 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..These observations suggest that during floral transition, a positive-feedback loop conferred by direct transcriptional regulation between AGL24 and SOC1 at the shoot apex integrates flowering signals. ..
- 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
- Aw S, Hamamura Y, Chen Z, Schnittger A, Berger F. Sperm entry is sufficient to trigger division of the central cell but the paternal genome is required for endosperm development in Arabidopsis. Development. 2010;137:2683-90 pubmed publisher..However, sperm entry was sufficient to trigger central cell mitotic division, suggesting the existence of signaling events associated with sperm cell fusion with female gametes. ..
- Griffith M, Mayer U, Capron A, Ngo Q, Surendrarao A, McClinton R, et al. The TORMOZ gene encodes a nucleolar protein required for regulated division planes and embryo development in Arabidopsis. Plant Cell. 2007;19:2246-63 pubmed..Our study suggests that in plant cells, nucleolar functions might interact with the processes of regulated cell divisions and influence the selection of longitudinal division planes during embryogenesis. ..
- Lee L, Hou X, Fang L, Fan S, Kumar P, Yu H. STUNTED mediates the control of cell proliferation by GA in Arabidopsis. Development. 2012;139:1568-76 pubmed publisher..Taken together, our results suggest that STU acts downstream of RGA and promotes cell proliferation in the GA pathway. ..
- Jullien P, Kinoshita T, Ohad N, Berger F. Maintenance of DNA methylation during the Arabidopsis life cycle is essential for parental imprinting. Plant Cell. 2006;18:1360-72 pubmed..We propose that imprinting has evolved under constraints linked to the evolution of plant reproduction and not by the selection of a specific molecular mechanism. ..
- Jullien P, Katz A, Oliva M, Ohad N, Berger F. Polycomb group complexes self-regulate imprinting of the Polycomb group gene MEDEA in Arabidopsis. Curr Biol. 2006;16:486-92 pubmed..This feedback loop ensures a complete maternal control of MEA expression from both parental alleles and might have provided a template for evolution of imprinting in plants. ..
- Fitz Gerald J, Hui P, Berger F. Polycomb group-dependent imprinting of the actin regulator AtFH5 regulates morphogenesis in Arabidopsis thaliana. Development. 2009;136:3399-404 pubmed publisher..AtFH5 thus appears to be a new, maternally expressed imprinted gene. We further demonstrate that AtFH5 is responsible for morphological defects caused by the loss of PcG activity in the seed. ..
- Liu C, Teo Z, Bi Y, Song S, Xi W, Yang X, et al. A conserved genetic pathway determines inflorescence architecture in Arabidopsis and rice. Dev Cell. 2013;24:612-22 pubmed publisher..Our findings reveal a conserved regulatory pathway that determines inflorescence architecture in flowering plants. ..
- Xia G, Ramachandran S, Hong Y, Chan Y, Simanis V, Chua N. Identification of plant cytoskeletal, cell cycle-related and polarity-related proteins using Schizosaccharomyces pombe. Plant J. 1996;10:761-9 pubmed..Approximately 30% of the clones encode novel sequences. The results suggest that S. pombe phenotypic screening can be used to identify plant proteins involved in cell shape maintenance and regulation during cell cycle and development. ..
- Hou X, Hu W, Shen L, Lee L, Tao Z, Han J, et al. Global identification of DELLA target genes during Arabidopsis flower development. Plant Physiol. 2008;147:1126-42 pubmed publisher..These results suggest that DELLA regulation of floral organ development is modulated by multiple phytohormones and stress signaling pathways. ..
- Chu Z, Chen H, Zhang Y, Zhang Z, Zheng N, Yin B, et al. Knockout of the AtCESA2 gene affects microtubule orientation and causes abnormal cell expansion in Arabidopsis. Plant Physiol. 2007;143:213-24 pubmed..We also demonstrated that the zinc finger-like domain of AtCESA2 could homodimerize, possibly contributing to rosette assemblies of cellulose synthase A within plasma membranes. ..
- Shen L, Yu H. J3 regulation of flowering time is mainly contributed by its activity in leaves. Plant Signal Behav. 2011;6:601-3 pubmed..Furthermore, we reveal that endogenous expression of J3 requires the cis-element(s) located within J3 coding regions or introns. ..
- Liu L, Liu C, Hou X, Xi W, Shen L, Tao Z, et al. FTIP1 is an essential regulator required for florigen transport. PLoS Biol. 2012;10:e1001313 pubmed publisher..Our results provide a mechanistic understanding of florigen transport, demonstrating that FT moves in a regulated manner and that FTIP1 mediates FT transport to induce flowering. ..
- Gu X, Jiang D, Wang Y, Bachmair A, He Y. Repression of the floral transition via histone H2B monoubiquitination. Plant J. 2009;57:522-33 pubmed publisher..These findings are consistent with a model in which HUB1 and HUB2 specifically interact with and direct UBC1 and UBC2 to monoubiquitinate H2B in developmental genes, and thus regulate developmental processes in plants. ..
- Sun B, Looi L, Guo S, He Z, Gan E, Huang J, et al. Timing mechanism dependent on cell division is invoked by Polycomb eviction in plant stem cells. Science. 2014;343:1248559 pubmed publisher..These analyses demonstrate that floral stem cells measure developmental timing by a division-dependent epigenetic timer triggered by Polycomb eviction. ..
- Ito T, Ng K, Lim T, Yu H, Meyerowitz E. The homeotic protein AGAMOUS controls late stamen development by regulating a jasmonate biosynthetic gene in Arabidopsis. Plant Cell. 2007;19:3516-29 pubmed
- 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..Taken together, these findings revealed 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. ..
- Vasudevan D, Fu A, Luan S, Swaminathan K. Crystal structure of Arabidopsis cyclophilin38 reveals a previously uncharacterized immunophilin fold and a possible autoinhibitory mechanism. Plant Cell. 2012;24:2666-74 pubmed publisher..Together, this study provides the structure of a plant cyclophilin and explains a possible mechanism for autoinhibition of its function through an intramolecular interaction. ..
- Hussain A, Cao D, Peng J. Identification of conserved tyrosine residues important for gibberellin sensitivity of Arabidopsis RGL2 protein. Planta. 2007;226:475-83 pubmed
- Jiang L, Yang S, Xie L, Puah C, Zhang X, Yang W, et al. VANGUARD1 encodes a pectin methylesterase that enhances pollen tube growth in the Arabidopsis style and transmitting tract. Plant Cell. 2005;17:584-96 pubmed..Our study suggests that the VGD1 product is required for growth of the pollen tube, possibly via modifying the cell wall and enhancing the interaction of the pollen tube with the female style and transmitting tract tissues. ..
- Chua L, Shan X, Wang J, Peng W, Zhang G, Xie D. Proteomics study of COI1-regulated proteins in Arabidopsis flower. J Integr Plant Biol. 2010;52:410-9 pubmed publisher..Further function analyses of these genes would provide new insights into the molecular basis of COI1-regulated male fertility. ..
- Andreuzza S, Li J, Guitton A, Faure J, Casanova S, Park J, et al. DNA LIGASE I exerts a maternal effect on seed development in Arabidopsis thaliana. Development. 2010;137:73-81 pubmed publisher..The removal of methylated cytosine residues by DME involves the creation of DNA single-strand breaks and our results suggest that AtLIG1 repairs these breaks. ..
- Cheng H, Song S, Xiao L, Soo H, Cheng Z, Xie D, et al. Gibberellin acts through jasmonate to control the expression of MYB21, MYB24, and MYB57 to promote stamen filament growth in Arabidopsis. PLoS Genet. 2009;5:e1000440 pubmed publisher..Therefore, we have established a hierarchical relationship between GA and JA in that modulation of JA pathway by GA is one of the prerequisites for GA to regulate the normal stamen development in Arabidopsis. ..
- Stamm P, Kumar P. Auxin and gibberellin responsive Arabidopsis SMALL AUXIN UP RNA36 regulates hypocotyl elongation in the light. Plant Cell Rep. 2013;32:759-69 pubmed publisher..Therefore, we propose that it could act as one of the converging points of auxin and gibberellin signal integration in controlling key plant developmental events. Hence, we named the gene RESPONSE TO AUXINS AND GIBBERELLINS 1 (RAG1). ..
- Cao D, Hussain A, Cheng H, Peng J. Loss of function of four DELLA genes leads to light- and gibberellin-independent seed germination in Arabidopsis. Planta. 2005;223:105-13 pubmed..Therefore, DELLA proteins likely act as integrators of environmental and endogenous cues to regulate seed germination. ..
- Lim T, Chitra T, Han P, Pua E, Yu H. Cloning and characterization of Arabidopsis and Brassica juncea flavin-containing amine oxidases. J Exp Bot. 2006;57:4155-69 pubmed..Furthermore, it was found that the effect of FAO activity on shoot regeneration was exerted downstream of the Enhancer of Shoot Regeneration (ESR1) gene, which may function in a branch of the cytokinin signalling pathway. ..
- Xie Q, Frugis G, Colgan D, Chua N. Arabidopsis NAC1 transduces auxin signal downstream of TIR1 to promote lateral root development. Genes Dev. 2000;14:3024-36 pubmed..Finally, TIR1-induced lateral root development is blocked by expression of antisense NAC1 cDNA, and NAC1 overexpression can restore lateral root formation in the auxin-response mutant tir1, indicating that NAC1 acts downstream of TIR1. ..
- Hu Y, Xie Q, Chua N. The Arabidopsis auxin-inducible gene ARGOS controls lateral organ size. Plant Cell. 2003;15:1951-61 pubmed..These results suggest that ARGOS may transduce auxin signals downstream of AXR1 to regulate cell proliferation and organ growth through ANT during organogenesis. ..
- Gu X, Wang Y, He Y. Photoperiodic regulation of flowering time through periodic histone deacetylation of the florigen gene FT. PLoS Biol. 2013;11:e1001649 pubmed publisher..These results collectively reveal a periodic histone deacetylation mechanism for the day-length control of flowering time in higher plants. ..
- Li J, Nie X, Tan J, Berger F. Integration of epigenetic and genetic controls of seed size by cytokinin in Arabidopsis. Proc Natl Acad Sci U S A. 2013;110:15479-84 pubmed publisher..In angiosperms, cytokinins are highly active in endosperm, and we propose that IKU effectors coordinate environmental and physiological factors, resulting in modulation of seed size...
- Chen Z, Higgins J, Hui J, Li J, Franklin F, Berger F. Retinoblastoma protein is essential for early meiotic events in Arabidopsis. EMBO J. 2011;30:744-55 pubmed publisher..Our results indicate that RBR has an important role in meiosis affecting different aspects of this complex process. ..
- Hou X, Lee L, Xia K, Yan Y, Yu H. DELLAs modulate jasmonate signaling via competitive binding to JAZs. Dev Cell. 2010;19:884-94 pubmed publisher..Because DELLAs serve as central regulators that mediate the crosstalk of various phytohormones, our model also suggests a candidate mechanism by which JA signaling may be fine-tuned by other signaling pathways through DELLAs. ..
- Yang W, Ye D, Xu J, Sundaresan V. The SPOROCYTELESS gene of Arabidopsis is required for initiation of sporogenesis and encodes a novel nuclear protein. Genes Dev. 1999;13:2108-17 pubmed..These data suggest that the SPL gene product is a transcriptional regulator of sporocyte development in Arabidopsis. ..
- Gu X, Jiang D, Yang W, Jacob Y, Michaels S, He Y. Arabidopsis homologs of retinoblastoma-associated protein 46/48 associate with a histone deacetylase to act redundantly in chromatin silencing. PLoS Genet. 2011;7:e1002366 pubmed publisher..This reveals an important functional divergence of the plant RbAp46/48 relatives from animal counterparts. ..
- Ingouff M, Jullien P, Berger F. The female gametophyte and the endosperm control cell proliferation and differentiation of the seed coat in Arabidopsis. Plant Cell. 2006;18:3491-501 pubmed
- Yang S, Jiang L, Puah C, Xie L, Zhang X, Chen L, et al. Overexpression of TAPETUM DETERMINANT1 alters the cell fates in the Arabidopsis carpel and tapetum via genetic interaction with excess microsporocytes1/extra sporogenous cells. Plant Physiol. 2005;139:186-91 pubmed..Moreover, overexpression of TPD1 in tapetal cells also delayed the degeneration of tapetum. The TPD1 may function not only in the specialization of tapetal cells but also in the maintenance of tapetal cell fate. ..
- Jiang D, Yang W, He Y, Amasino R. Arabidopsis relatives of the human lysine-specific Demethylase1 repress the expression of FWA and FLOWERING LOCUS C and thus promote the floral transition. Plant Cell. 2007;19:2975-87 pubmed..Loss of function of LDL1 and LDL2 affects DNA methylation on FWA, whereas FLC repression does not appear to involve DNA methylation; thus, members of the LDL family can participate in a range of silencing mechanisms. ..
- Hong J, Seah S, Xu J. The root of ABA action in environmental stress response. Plant Cell Rep. 2013;32:971-83 pubmed publisher..We also review literature findings showing that, in response to environmental stresses, ABA affects the root system architecture in other plant species, such as rice. ..
- Lee S, Cheng H, King K, Wang W, He Y, Hussain A, et al. Gibberellin regulates Arabidopsis seed germination via RGL2, a GAI/RGA-like gene whose expression is up-regulated following imbibition. Genes Dev. 2002;16:646-58 pubmed..Furthermore, as RGL2 expression is imbibition inducible, RGL2 may function as an integrator of environmental and endogenous cues to control seed germination. ..
- Wang Y, Gu X, Yuan W, Schmitz R, He Y. Photoperiodic control of the floral transition through a distinct polycomb repressive complex. Dev Cell. 2014;28:727-36 pubmed publisher..Our study reveals that the vascular EMF1c integrates inputs from several flowering-regulatory pathways to synchronize flowering time to environmental cues. ..
- Machida S, Chen H, Adam Yuan Y. Molecular insights into miRNA processing by Arabidopsis thaliana SERRATE. Nucleic Acids Res. 2011;39:7828-36 pubmed publisher..SE presumably works as a scaffold-like protein capable of binding both protein and RNA to guide the positioning of miRNA precursor toward DCL1 catalytic site within miRNA processing machinery in plant. ..
- Liu L, Zhu Y, Shen L, Yu H. Emerging insights into florigen transport. Curr Opin Plant Biol. 2013;16:607-13 pubmed publisher..This review summarizes the recent advances in understanding florigen transport and discusses the proven and potential regulators required for this process. ..
- Sun B, Xu Y, Ng K, Ito T. A timing mechanism for stem cell maintenance and differentiation in the Arabidopsis floral meristem. Genes Dev. 2009;23:1791-804 pubmed publisher..This study provides a mechanistic link between transcriptional feedback and epigenetic regulation in plant stem cell proliferation. ..
- Jiang D, Gu X, He Y. Establishment of the winter-annual growth habit via FRIGIDA-mediated histone methylation at FLOWERING LOCUS C in Arabidopsis. Plant Cell. 2009;21:1733-46 pubmed publisher..Our findings suggest that FRI is involved in the enrichment of a WDR5a-containing COMPASS-like complex at FLC chromatin that methylates H3K4, leading to FLC upregulation and thus the establishment of the winter-annual growth habit. ..
- Hussain A, Cao D, Cheng H, Wen Z, Peng J. Identification of the conserved serine/threonine residues important for gibberellin-sensitivity of Arabidopsis RGL2 protein. Plant J. 2005;44:88-99 pubmed..However, expression of GA 20-oxidase in BY2 cells expressing these mutant proteins is still responsive to GA, suggesting that the stabilization of RGL2 protein is not the only pathway for regulating its bioactivity. ..
- Liu C, Thong Z, Yu H. Coming into bloom: the specification of floral meristems. Development. 2009;136:3379-91 pubmed publisher..This review provides an overview of the molecular mechanisms that underlie floral meristem specification in Arabidopsis thaliana and, where appropriate, discusses the conservation and divergence of these mechanisms across plant species. ..