2025
Identification of F-box proteins in ABA- and GA-regulated seed germination: interaction of GASA1 signalling peptide and ABA-induced ubiquitination
Kasera M, Ceciliato P, Lopez B, Hauser F, Gendron J, Schroeder J. Identification of F-box proteins in ABA- and GA-regulated seed germination: interaction of GASA1 signalling peptide and ABA-induced ubiquitination. Philosophical Transactions Of The Royal Society B Biological Sciences 2025, 380: 20240233. PMID: 40439299, PMCID: PMC12121378, DOI: 10.1098/rstb.2024.0233.Peer-Reviewed Original ResearchConceptsSeed germinationSignal peptideGenetic screeningF-box proteinsForward genetic screensHomology-based gene silencingInhibition of seed germinationABA-insensitiveHomologous genesFunctional genomicsGene familyTriple mutantF-boxABA inhibitionProteasome pathwayAmiRNA linesGene silencingInteraction partnersGerminating seedsArtificial microRNAGenesABAGerminationMutantsUbiquitin
2018
The COP9 Signalosome regulates seed germination by facilitating protein degradation of RGL2 and ABI5
Jin D, Wu M, Li B, Bücker B, Keil P, Zhang S, Li J, Kang D, Liu J, Dong J, Deng XW, Irish V, Wei N. The COP9 Signalosome regulates seed germination by facilitating protein degradation of RGL2 and ABI5. PLOS Genetics 2018, 14: e1007237. PMID: 29462139, PMCID: PMC5834205, DOI: 10.1371/journal.pgen.1007237.Peer-Reviewed Original ResearchConceptsCOP9 signalosomeSeed germinationAbscisic acidSeed dormancySCF ubiquitin E3 ligaseMulti-subunit protein complexRepressor of GARetarded seed germinationImportant agricultural traitsStrong seed dormancyUbiquitin E3 ligasesUbiquitin E3 ligaseABA responsesCsn geneAgricultural traitsCSN complexGermination phenotypeSeed maturationPlant speciesProtein complexesE3 ligasesABI5Transcriptome analysisE3 ligaseViable mutants
2015
DOF AFFECTING GERMINATION 2 is a positive regulator of light-mediated seed germination and is repressed by DOF AFFECTING GERMINATION 1
Santopolo S, Boccaccini A, Lorrai R, Ruta V, Capauto D, Minutello E, Serino G, Costantino P, Vittorioso P. DOF AFFECTING GERMINATION 2 is a positive regulator of light-mediated seed germination and is repressed by DOF AFFECTING GERMINATION 1. BMC Plant Biology 2015, 15: 72. PMID: 25850831, PMCID: PMC4355143, DOI: 10.1186/s12870-015-0453-1.Peer-Reviewed Original ResearchConceptsSeed germination processPositive regulatorSeed germinationGermination processSeed germination phenotypesChromatin immuno-precipitation analysisImmuno-precipitation analysisGERMINATION 1Mutant seedsGermination phenotypePhytochrome BMaster repressorGibberellin biosynthesisGermination capabilityGermination potentialGerminationRepressorMutantsSeedsOpposite rolesRegulatorEnvironmental factorsDAG2ExpressionRed light
2014
Independent and interactive effects of DOF affecting germination 1 (DAG1) and the Della proteins GA insensitive (GAI) and Repressor of ga1-3(RGA) in embryo development and seed germination
Boccaccini A, Santopolo S, Capauto D, Lorrai R, Minutello E, Belcram K, Palauqui JC, Costantino P, Vittorioso P. Independent and interactive effects of DOF affecting germination 1 (DAG1) and the Della proteins GA insensitive (GAI) and Repressor of ga1-3(RGA) in embryo development and seed germination. BMC Plant Biology 2014, 14: 200. PMID: 25064446, PMCID: PMC4222566, DOI: 10.1186/s12870-014-0200-z.Peer-Reviewed Original ResearchConceptsGA INSENSITIVESeed germinationEmbryo developmentDouble mutantGai-t6GERMINATION 1Mutant seedsGa1-3Germination pathwaySingle mutantsRepressorUnexpected involvementMutantsDistinct rolesGerminationGermination propertiesIndependent branchInteractive effectsGERMINATION1DAG1DormancyGenesSeedsPathwayInactivation
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