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 ResearchConceptsCell wallPlant cellsWild typeMost plant cellsPetal epidermal cellsDirect morphogenesisHelical bundlePetal cellsRemarkable diversityEpidermal cellsLarger macrofibrilsPectin compositionCell morphologyUniform handednessPolysaccharide componentsMorphogenesisMutantsConsistent chiralityHelical twistInteresting exceptionsRhamnogalacturonanCellsRight-handed helixEmergent propertiesPrimary determinant
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
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