Table of Contents
IN BRIEF
LARGE-SCALE BIOLOGY ARTICLE
Profiling of Accessible Chromatin Regions across Multiple Plant Species and Cell Types Reveals Common Gene Regulatory Principles and New Control ModulesA comparison of open chromatin landscapes reveals commonalities in transcriptional regulation across species and identifies a transcription factor cascade in the Arabidopsis root hair.
RESEARCH ARTICLES
Genomic Imprinting Was Evolutionarily Conserved during Wheat PolyploidizationGenes controlled by imprinting were evolutionarily conserved during wheat polyploidization.
Brassinosteroids Modulate Meristem Fate and Differentiation of Unique Inflorescence Morphology in Setaria viridisCharacterization of a novel mutant phenotype in Setaria viridis reveals a role for brassinosteroids in regulating meristem fate during inflorescence development.
MLK1 and MLK2 Coordinate RGA and CCA1 Activity to Regulate Hypocotyl Elongation in Arabidopsis thalianaMUT9p-LIKE PROTEIN1 (MLK1) and MLK2 mediate the interaction between gibberellins and the circadian clock, thereby regulating plant growth in Arabidopsis.
At-MINI ZINC FINGER2 and Sl-INHIBITOR OF MERISTEM ACTIVITY, a Conserved Missing Link in the Regulation of Floral Meristem Termination in Arabidopsis and TomatoThe adaptor proteins AtMIF2 and SlIMA regulate floral meristem termination in Arabidopsis and tomato by joining KNUCKLES, TOPLESS, and a histone deacetylase to repress WUSCHEL gene expression.
Far-Red Light Detection in the Shoot Regulates Lateral Root Development through the HY5 Transcription FactorPlants coordinate their response to above- and belowground competition when growing at high densities; a change in light quality detected by the shoot transmits a signal to adjust root development.
PWWP-DOMAIN INTERACTOR OF POLYCOMBS1 Interacts with Polycomb-Group Proteins and Histones and Regulates Arabidopsis Flowering and DevelopmentA so far uncharacterized gene family connects Polycomb-group proteins to nuclear organization and nucleosomal occupancy.
Canonical and Noncanonical Actions of Arabidopsis Histone Deacetylases in Ribosomal RNA ProcessingHistone deacetylases promote pre-rRNA processing by repressing the expression of key regulators and regulating rRNA methylation through direct binding to rRNA and snoRNAs.
Histone Deacetylases SRT1 and SRT2 Interact with ENAP1 to Mediate Ethylene-Induced Transcriptional RepressionHistone deacetylases STR1 and SRT2 interact with ENAP1, mediating transcriptional repression by regulating the levels of H3K9Ac in the ethylene response.
Structure of the Arabidopsis JMJ14-H3K4me3 Complex Provides Insight into the Substrate Specificity of KDM5 Subfamily Histone DemethylasesThe structure of the Arabidopsis JMJ14 catalytic domain in complex with H3K4me3 peptide reveals a conserved substrate binding mode shared by both plant and animal KDM5 subfamily histone demethylase.
Network-Guided Discovery of Extensive Epistasis between Transcription Factors Involved in Aliphatic Glucosinolate BiosynthesisA large effort was made to systemically test, identify, and study genetic interactions between regulatory genes for a plant defense metabolism network controlling fitness.
The Plastid Lipocalin LCNP Is Required for Sustained Photoprotective Energy Dissipation in ArabidopsisThe sustained photoprotective mechanism negatively regulated by SUPPRESSOR OF QUENCHING1 requires the plastid lipocalin and occurs in the peripheral antenna of photosystem II under stress conditions.
Reduced Expression of APUM24, Encoding a Novel rRNA Processing Factor, Induces Sugar-Dependent Nucleolar Stress and Altered Sugar Responses in Arabidopsis thalianaThe essential rRNA processing factor APUM24 functions in removal of internal transcribed spacer 2, and reduction of APUM24 causes sugar-dependent rRNA processing defects and nucleolar stress.
The E3 Ligase DROUGHT HYPERSENSITIVE Negatively Regulates Cuticular Wax Biosynthesis by Promoting the Degradation of Transcription Factor ROC4 in RiceThe RING-type E3 ligase DHS cooperates with its putative ubiquitination substrate, the HD-ZIP transcription factor ROC4, to fine-tune wax biosynthesis and the drought stress response in rice.
COMMENTARY