Table of Contents
IN BRIEF
LARGE-SCALE BIOLOGY ARTICLES
Identification and Mode of Inheritance of Quantitative Trait Loci for Secondary Metabolite Abundance in TomatoMetabolite QTL for secondary metabolism in a Solanum pennelli introgression line population show different modes of inheritance and network properties linking the traits.
RNA Sequencing of Laser-Capture Microdissected Compartments of the Maize Kernel Identifies Regulatory Modules Associated with Endosperm Cell DifferentiationRNA profiling of maize kernel compartments revealed coexpression modules for each major cell type in the endosperm, including a module regulating differentiation of the basal endosperm transfer layer.
RESEARCH ARTICLES
Genome-Wide Characterization of cis-Acting DNA Targets Reveals the Transcriptional Regulatory Framework of Opaque2 in MaizeThe identification of Opaque2 DNA binding targets clarified its direct target genes and revealed its broad transcriptional regulation during endosperm development.
Evolutionary Patterns and Coevolutionary Consequences of MIRNA Genes and MicroRNA Targets Triggered by Multiple Mechanisms of Genomic Duplications in SoybeanA genome-wide analysis and interspecific comparison of MIRNA genes revealed the patterns of MIRNA gene evolution subsequent to the recent whole-genome duplication event in soybean.
Coordinated Rates of Evolution between Interacting Plastid and Nuclear Genes in GeraniaceaeEvolutionary analysis in Geraniaceae reveals correlation of rates between plastid- and nuclear-encoded genes, providing a plausible mechanism for plastome-genome incompatibility in this family.
Cleavage of INDOLE-3-ACETIC ACID INDUCIBLE28 mRNA by MicroRNA847 Upregulates Auxin Signaling to Modulate Cell Proliferation and Lateral Organ Growth in ArabidopsisA microRNA-auxin/indole acetic acid repressor module regulates the extent of cell competence, thereby affecting the duration of cell proliferation and the development of lateral organs.
The Calcium-Dependent Protein Kinase CPK28 Regulates Development by Inducing Growth Phase-Specific, Spatially Restricted Alterations in Jasmonic Acid Levels Independent of Defense Responses in ArabidopsisA calcium-dependent protein kinase plays dual roles, maintaining tissue-specific phytohormone levels in adult plants without affecting defense responses and regulating defense signaling in seedlings.
A Cascade of Sequentially Expressed Sucrose Transporters in the Seed Coat and Endosperm Provides Nutrition for the Arabidopsis EmbryoTriple mutants of three sucrose-transporting SWEETs show reduced seed yield, indicating that multiple sucrose translocation pathways move sugar from the maternal to the filial tissues.
Transcription Factors SOD7/NGAL2 and DPA4/NGAL3 Act Redundantly to Regulate Seed Size by Directly Repressing KLU Expression in Arabidopsis thalianaTwo transcription factors, SOD7/NGAL2 and DPA4/NGAL3, regulate seed and organ size by repressing the expression of KLU, suggesting that they are promising targets for crop improvement.
Punctual Transcriptional Regulation by the Rice Circadian Clock under Fluctuating Field ConditionsExpression of circadian clock genes in rice, individually responding to given field conditions, coordinately encode punctual internal time irrespective of weather, daylength, or developmental stage.
The Ubiquitin Receptors DA1, DAR1, and DAR2 Redundantly Regulate Endoreduplication by Modulating the Stability of TCP14/15 in ArabidopsisA genetic and molecular mechanism involving the ubiquitin receptors DA1, DAR1, and DAR2 and the transcription factors TCP14 and TCP15 links cell and organ growth with the regulation of endoreduplication.
Phosphatidylinositol 4-Phosphate Negatively Regulates Chloroplast Division in ArabidopsisPhosphatidylinositol 4-phosphate binds specifically to PDV1 and PDV2, the components of the chloroplast division apparatus, and plays an important role as a negative regulator of chloroplast division.
Binding of SEC11 Indicates Its Role in SNARE Recycling after Vesicle Fusion and Identifies Two Pathways for Vesicular Traffic to the Plasma MembraneA protein that regulates secretion targets one of two homologous and functionally overlapping SNARE (vesicle trafficking) proteins in Arabidopsis to drive traffic and is important for recycling of the SNARE complex.
Small Glycosylated Lignin Oligomers Are Stored in Arabidopsis Leaf VacuolesWhile combinatorial coupling of monolignols to oligolignols is known to occur in the apoplast, this process also occurs in the cytoplasm, followed by glycosylation and import into the vacuole.
The Rice CK2 Kinase Regulates Trafficking of Phosphate Transporters in Response to Phosphate LevelsA kinase complex regulates phosphate transporter trafficking in response to phosphate, inhibiting interaction with the factor regulating exit from the endoplasmic reticulum to the plasma membrane.
Arabidopsis Chloroplast Mini-Ribonuclease III Participates in rRNA Maturation and Intron RecyclingUsing RNA-Seq and end-mapping, we showed that two Arabidopsis Mini-III proteins, which are putative double-stranded plastid endonucleases, process rRNA, introns, and a plastid noncoding RNA.
DENEDDYLASE1 Deconjugates NEDD8 from Non-Cullin Protein Substrates in Arabidopsis thalianaMutants of an Arabidopsis DENEDDYLASE1 accumulate a broad range of NEDD8 conjugates, including AUXIN RESISTANT1, thus showing the existence of many NEDD8 conjugates in addition to the cullins.
Determining the Subcellular Location of Synthesis and Assembly of the Cell Wall Polysaccharide (1,3; 1,4)-β-d-Glucan in GrassesDespite the paradigm that noncellulosic cell wall polysaccharides are synthesized in the Golgi, compelling evidence suggests that (1,3;1,4)-β-d-glucans are assembled at the plasma membrane.
An Upstream Open Reading Frame Is Essential for Feedback Regulation of Ascorbate Biosynthesis in ArabidopsisFeedback regulation of the key gene in the ascorbate biosynthesis pathway, GDP Galactose Phosphorylase, is controlled at the level of translation by an upstream open reading frame with a noncanonical initiation codon.
The bHLH Transcription Factor bHLH104 Interacts with IAA-LEUCINE RESISTANT3 and Modulates Iron Homeostasis in ArabidopsisThe IVc subgroup bHLH transcription factor bHLH104 interacts with ILR3 to regulate the Arabidopsis Fe deficiency responses via targeting the Ib subgroup bHLH genes and PYE expression.
The Small GTPase ROP10 of Medicago truncatula Is Required for Both Tip Growth of Root Hairs and Nod Factor-Induced Root Hair DeformationThe small GTPase ROP10 regulates the reestablishment of cell polarity, leading to root hair deformation in legumes during root nodule symbiosis.
Activation of Symbiosis Signaling by Arbuscular Mycorrhizal Fungi in Legumes and RiceArbuscular mycorrhizal fungi produce a variety of signaling molecules that are shown to promote symbiosis signaling in a range of plant species.
Phosphorylation of Trihelix Transcriptional Repressor ASR3 by MAP KINASE4 Negatively Regulates Arabidopsis ImmunityA trihelix transcription factor downstream of a MAP kinase cascade negatively regulates plant immune gene expression.
ENHANCED DISEASE RESISTANCE4 Associates with CLATHRIN HEAVY CHAIN2 and Modulates Plant Immunity by Regulating Relocation of EDR1 in ArabidopsisArabidopsis EDR4 interacts with CLATHRIN HEAVY CHAIN2 and EDR1 and negatively affects plant immunity by regulating the relocation of EDR1 to the penetration site of powdery mildew infection.
In Planta Variation of Volatile Biosynthesis: An Alternative Biosynthetic Route to the Formation of the Pathogen-Induced Volatile Homoterpene DMNT via Triterpene Degradation in Arabidopsis RootsAn alternative, tissue-specific pathway yielding a common homoterpene volatile in roots is implicated in defense against soil borne pathogens, revealing plasticity in volatile homoterpene biosynthesis and function.
The Cyst Nematode Effector Protein 10A07 Targets and Recruits Host Posttranslational Machinery to Mediate Its Nuclear Trafficking and to Promote Parasitism in ArabidopsisAn Arabidopsis kinase interacts with and phosphorylates a cyst nematode effector protein, which then translocates to the nucleus and interacts with a transcription factor to enhance pathogenicity.
A Chaperone Function of NO CATALASE ACTIVITY1 Is Required to Maintain Catalase Activity and for Multiple Stress Responses in ArabidopsisArabidopsis protein NCA1 interacts with catalases in the cytosol and increases catalase activity through maintaining catalase folding state, which is required for stress responses.
Tudor Staphylococcal Nuclease Links Formation of Stress Granules and Processing Bodies with mRNA Catabolism in ArabidopsisEvolutionarily conserved Tudor Staphylococcal Nuclease is essential for maintaining the integrity of stress granules and processing bodies and for stress-induced mRNA decapping.
