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
2017
Rhamnose-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
Temporal 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