2024
An epigenetic timer regulates the transition from cell division to cell expansion during Arabidopsis petal organogenesis
Huang R, Irish V. An epigenetic timer regulates the transition from cell division to cell expansion during Arabidopsis petal organogenesis. PLOS Genetics 2024, 20: e1011203. PMID: 38442104, PMCID: PMC10942257, DOI: 10.1371/journal.pgen.1011203.Peer-Reviewed Original ResearchConceptsCell division to cell expansionCell divisionCell expansionRemodeling of chromatin accessibilityResponse to environmental changesRNA polymerase activityPlant developmental timingRegulate developmental eventsMultiple cell divisionsDownstream direct targetsCorepressor TOPLESSArabidopsis petalsChromatin accessibilityHistone modificationsPetal developmentEpigenetic stateTranscriptional repressorPetal organogenesisPolymerase activityEpigenetic memoryPetal primordiaPlant organogenesisCell cycleEpigenetic factorsControl organogenesis
2023
Cellulose assembles into helical bundles of uniform handedness in cell walls with abnormal pectin composition
Saffer A, Baskin T, Verma A, Stanislas T, Oldenbourg R, Irish V. Cellulose assembles into helical bundles of uniform handedness in cell walls with abnormal pectin composition. The Plant Journal 2023, 116: 855-870. PMID: 37548081, PMCID: PMC10592269, DOI: 10.1111/tpj.16414.Peer-Reviewed Original ResearchMeSH KeywordsArabidopsisCell WallCelluloseFunctional LateralityPectinsPolysaccharidesRhamnogalacturonansConceptsCell wallPlant cellsWild typeMost plant cellsPetal epidermal cellsDirect morphogenesisHelical bundlePetal cellsRemarkable diversityEpidermal cellsLarger macrofibrilsPectin compositionCell morphologyUniform handednessPolysaccharide componentsMorphogenesisMutantsConsistent chiralityHelical twistInteresting exceptionsRhamnogalacturonanCellsRight-handed helixEmergent propertiesPrimary determinantMy favourite flowering image: Arabidopsis conical petal epidermal cells
Irish V. My favourite flowering image: Arabidopsis conical petal epidermal cells. Journal Of Experimental Botany 2023, 74: 2940-2943. PMID: 36932972, DOI: 10.1093/jxb/erad106.Peer-Reviewed Original Research
2017
Increased efficiency of targeted mutagenesis by CRISPR/Cas9 in plants using heat stress
LeBlanc C, Zhang F, Mendez J, Lozano Y, Chatpar K, Irish V, Jacob Y. Increased efficiency of targeted mutagenesis by CRISPR/Cas9 in plants using heat stress. The Plant Journal 2017, 93: 377-386. PMID: 29161464, DOI: 10.1111/tpj.13782.Peer-Reviewed Original ResearchConceptsCRISPR/Green fluorescent protein (GFP) reporter geneCRISPR/Cas9 systemFluorescent protein reporter geneCRISPR/Cas9Off-target mutationsArabidopsis plantsEukaryotic genomesDifferent organismsSomatic tissuesCitrus plantsCas9 systemDNA breaksReporter geneTarget mutagenesisTargeted mutationsMutation rateMutagenesisImportance of temperatureArabidopsisHeat stressPlantsMutationsQuantitative assayEukaryotesRhamnose-Containing Cell Wall Polymers Suppress Helical Plant Growth Independently of Microtubule Orientation
Saffer AM, Carpita NC, Irish VF. Rhamnose-Containing Cell Wall Polymers Suppress Helical Plant Growth Independently of Microtubule Orientation. Current Biology 2017, 27: 2248-2259.e4. PMID: 28736166, DOI: 10.1016/j.cub.2017.06.032.Peer-Reviewed Original ResearchConceptsCell wall polymersPlant growthWall polymersMicrotubule orientationPectic polysaccharide rhamnogalacturonanHelical growthMost plant organsEpidermal cell expansionCell wall compositionCortical microtubule arraysPetal epidermal cellsMutant rootsPlant cellsPlant speciesRhamnose synthasePlant organsWall compositionMicrotubule arraysEpidermal cellsCell expansionImportant functionsMutantsNovel sourceMutationsSpecific organs
2015
Gene networks controlling petal organogenesis
Huang T, Irish VF. Gene networks controlling petal organogenesis. Journal Of Experimental Botany 2015, 67: 61-68. PMID: 26428062, DOI: 10.1093/jxb/erv444.Peer-Reviewed Original ResearchConceptsPetal organogenesisGene networksNumber of genesOrgan initiationSuch genesDevelopmental biologyPetal growthBiggest unanswered questionsEnvironmental perturbationsOrgan morphologyGrowth controlPetalsOrganogenesisModel systemGenesRecent studiesGrowthOrgan systemsBiologyUnanswered questionsPlantsTemporal Control of Plant Organ Growth by TCP Transcription Factors
Huang T, Irish VF. Temporal Control of Plant Organ Growth by TCP Transcription Factors. Current Biology 2015, 25: 1765-1770. PMID: 26073137, DOI: 10.1016/j.cub.2015.05.024.Peer-Reviewed Original ResearchConceptsPost-mitotic cell expansionCell divisionArabidopsis petalsPetal developmentCell expansionCIN-TCP genesTCP transcription factorsZinc finger transcriptional repressorPlant organ growthCell cycle progressionPetal organogenesisTranscriptional repressorOrgan formRepression resultsTranscription factorsPetal initiationOrgan growthDevelopmental eventsLamina growthExcellent modelTemporal controlCell proliferationPetalsDivisionTurn act
2012
RBE controls microRNA164 expression to effect floral organogenesis
Huang T, López-Giráldez F, Townsend JP, Irish VF. RBE controls microRNA164 expression to effect floral organogenesis. Development 2012, 139: 2161-2169. PMID: 22573623, DOI: 10.1242/dev.075069.Peer-Reviewed Original ResearchConceptsCUP-SHAPED COTYLEDON1Zinc finger transcriptional repressorKey transcriptional regulatorMiR164 expressionPetal organogenesisArabidopsis flowersPetal developmentPlant developmentEffector genesTranscriptional regulatorsTranscriptional repressorFloral organogenesisGene productsDevelopmental eventsConcomitant regulationGenesOrgan boundariesOrganogenesisExpressionMiR164cCUC2RepressorBoundary specificationPromoterFlowers
2010
The Arabidopsis Floral Homeotic Proteins APETALA3 and PISTILLATA Negatively Regulate the BANQUO Genes Implicated in Light Signaling
Mara CD, Huang T, Irish VF. The Arabidopsis Floral Homeotic Proteins APETALA3 and PISTILLATA Negatively Regulate the BANQUO Genes Implicated in Light Signaling. The Plant Cell 2010, 22: 690-702. PMID: 20305124, PMCID: PMC2861465, DOI: 10.1105/tpc.109.065946.Peer-Reviewed Original ResearchConceptsPetal identityBHLH transcription factorsDevelopmental signaling pathwaysSecond whorl organsBHLH proteinsLight signalingHelix proteinsAPETALA3Light responseTranscription factorsGene productsPistillataChlorophyll levelsSignaling pathwaysGenesRegulatory processesProteinAppropriate regulationHFR1ArabidopsisPhotomorphogenesisMutantsSepalsCarpelsPhytochrome
2008
An Arabidopsis F-box protein acts as a transcriptional co-factor to regulate floral development
Chae E, Tan Q, Hill TA, Irish VF. An Arabidopsis F-box protein acts as a transcriptional co-factor to regulate floral development. Development 2008, 135: 1235-1245. PMID: 18287201, DOI: 10.1242/dev.015842.Peer-Reviewed Original ResearchConceptsUNUSUAL FLORAL ORGANSAP3 promoterLFY activityTranscription factorsProtein degradationFloral homeotic gene expressionLEAFY transcription factorFloral homeotic genesHomeotic gene expressionTranscriptional repressor domainF-box proteinsSCF ubiquitin ligaseF-box componentAPETALA3 (AP3) geneHomeotic genesRepressor domainFloral organsFlower developmentPlant speciesTranscriptional complexPlants flowerProtein actsFloral developmentUbiquitin ligaseEndogenous signals
2000
Variations on a theme: flower development and evolution
Irish V. Variations on a theme: flower development and evolution. Genome Biology 2000, 1: reviews1015.1. PMID: 11178237, PMCID: PMC138852, DOI: 10.1186/gb-2000-1-2-reviews1015.Peer-Reviewed Original Research
1999
Copying out our ABCs: the role of gene redundancy in interpreting genetic hierarchies
Martienssen R, Irish V. Copying out our ABCs: the role of gene redundancy in interpreting genetic hierarchies. Trends In Genetics 1999, 15: 435-437. PMID: 10529802, DOI: 10.1016/s0168-9525(99)01833-8.Peer-Reviewed Original ResearchCYP78A5 encodes a cytochrome P450 that marks the shoot apical meristem boundary in Arabidopsis
Zondlo S, Irish V. CYP78A5 encodes a cytochrome P450 that marks the shoot apical meristem boundary in Arabidopsis. The Plant Journal 1999, 19: 259-268. PMID: 10476073, DOI: 10.1046/j.1365-313x.1999.00523.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceArabidopsisBase SequenceCloning, MolecularCytochrome P-450 Enzyme SystemDNA, PlantGene Expression Regulation, DevelopmentalGene Expression Regulation, PlantGenes, PlantIn Situ HybridizationMeristemMicroscopy, Electron, ScanningMolecular Sequence DataMutationPhenotypePlants, Genetically ModifiedConceptsShoot apical meristemApical meristemMeristem functionFloral developmentReproductive shoot apical meristemPutative cytochrome P450 monooxygenaseCytochrome P450 monooxygenaseDifferentiation of cellsSHOOT MERISTEMLESSMultiple cell typesMutant backgroundOrgan primordiaCYP78A5Shoot structureMeristematic zoneP450 monooxygenaseMeristemGenesCell typesNormal developmentArabidopsisFirst memberCytochrome P450ExpressionDynamic patternsPatterning the Flower
Irish V. Patterning the Flower. Developmental Biology 1999, 209: 211-220. PMID: 10328916, DOI: 10.1006/dbio.1999.9226.Peer-Reviewed Original ResearchEvolution of genetic mechanisms controlling petal development
Kramer E, Irish V. Evolution of genetic mechanisms controlling petal development. Nature 1999, 399: 144-148. PMID: 10335842, DOI: 10.1038/20172.Peer-Reviewed Original ResearchConceptsGenetic mechanismsB-class genes APETALA3Expression patternsOrgan identity genesClasses of genesPI homologuesStamen identityMolecular genetic studiesOrgan identityArabidopsis thalianaPetal developmentFloral organsHigher eudicotsFlowering plantsAPETALA3Angiosperm petalsGenetic studiesGenesOrthologuesAngiospermsPetalsExpressionEudicotsThalianaHomologues
1998
5 Petal and Stamen Development
Irish V. 5 Petal and Stamen Development. Current Topics In Developmental Biology 1998, 41: 133-161. PMID: 9784975, DOI: 10.1016/s0070-2153(08)60272-0.Peer-Reviewed Original ResearchConceptsOrgan identityStamen developmentFloral homeotic genesMolecular genetic processesSpecies-specific patternsSpecific differentiation processesField of cellsPlasticity of responseHomeotic genesEpigenetic informationEnvironmental signalsDevelopmental plasticityGene expressionDifferentiated tissuesGenetic processesDifferentiation processOrgan typeIndividual cellsCell proliferationGenesPetalsCellsGrowth dynamicsWide arrayPlasticity
1996
Cellular Interactions Mediated by the HomeoticPISTILLATAGene Determine Cell Fate in theArabidopsisFlower
Bouhidel K, Irish V. Cellular Interactions Mediated by the HomeoticPISTILLATAGene Determine Cell Fate in theArabidopsisFlower. Developmental Biology 1996, 174: 22-31. PMID: 8626018, DOI: 10.1006/dbio.1996.0048.Peer-Reviewed Original ResearchConceptsMeristematic cellsShoot apical meristem cellsShoot apical meristemDetermines cell fateCell-cell communicationApical meristem cellsDifferentiation of cellsArabidopsis plantsInner tissue layersArabidopsis flowersCoordinated divisionFloral organsPISTILLATA genesCell fateApical meristemFate mapMeristem cellsFloral primordiaChromosomal deletionsCellular interactionsFlowersEpidermal tissueInternal tissuesCellsPistillata