Volume 169, Issue 2, October 2015

Seed-specific expression of a rice TPP in maize promotes yield in the field.

Leaf senescence is a highly dynamic process that has a major impact on crop production and quality.

Genome editing and gene insertion in maize is advanced with Cas9-guide RNA technology.

Optical topometry is a powerful, nondestructive method for rapid, quantitative, high resolution imaging of the plant epidermis, requiring no sample preparation.

High-frequency and heritable targeted mutagenesis, transgene integration, and endogenous gene editing in soybean is realized using CRISPR Cas9-gRNA.

A CRISPR/Cas9 toolbox enables multiplex genome editing and transcriptional regulation of genes in plants.

Electron currents mediated by a soybean cytochrome b561 protein are detected and functionally characterized using a classical electrophysiological approach.

Reanalysis of published mass spectrometry data on Tyr-phosphorylated chloroplast proteins indicates that the majority of peptide spectrum matches reporting Tyr phosphorylation are ambiguous.

Evidence for Trp-independent IAA synthesis is critically reevaluated in the light of tryptophan synthase proteome data, local IAA synthesis and Trp, indole-3-pyruvate, and IAA turnover.

Analysis of the mechanisms, regulation, and consequences of protein SUMOylation in plants and other eukaryotes highlights the conservation and importance of this process across taxa.

Plant-parasitic nematodes produce a diverse arsenal of effector proteins that interfere with defined cellular processes in host plants to promote successful parasitism.

A salt-related transcription factor regulates abscisic acid synthesis and signaling genes in germinating Arabidopsis seeds under saline conditions.

A glycolate oxidase metabolizes l-lactate to pyruvate in vivo and may ensure the maintenance of low levels of l-lactate after its formation under normoxia.

Endogenous target mimecry of an miRNA affects nicotine biosynthesis.

Salt treatment of maize increased the sugar sensing metabolite trehalose-6-phosphate, as well as sucrose and hexose sugars, leading to reductions in spikelet growth, silk growth and kernel set.

Two novel flavone synthase enzymes from maize and Arabidopsis integrate flavone metabolism with hormone and biotic stress responses.

Overexpression of ceramide synthases has strongly divergent physiological and metabolic effects with implications for improved plant performance.

Methylated cytokinins contribute to pathogenesis as hormone-mimics.

A subset of multifunctional O-methyltransferases is involved in the formation of the tetra-O-methylated benzylisoquinoline alkaloid glaucine.

Coexpression of the receptor and ligand that function in crucifer self-incompatibility inhibits receptor signaling and abrogates the ability of stigma epidermal cells to arrest self pollen.

Two C2 domain proteins regulate light-mediated movements of plastids and nuclei in both mesophyll and pavement cells.

Intracellular targeting of guard cell carbonic anhydrases is characterized and modeled in relation to their roles in CO₂ control of stomatal movements.

An actin nucleation protein affects rice panicle development as well as root growth.

A digital reconstruction method models the effect of photoinhibition on daily canopy photosynthesis in three contrasting wheat canopies.

Blue light responses of stomata occur in a wide lineage of plants except the fern species of Polypodiopsida.

The functional characterization of two Arabidopsis floral repressors unravels their role and regulation at low ambient temperatures.

An actin nucleation protein affects water loss by regulating stomatal density.

The comparative study of the gene targets of the KANADI1 transcription factor indicates that it is part of a basic growth-promoting module.

Several species from an ancient legume lineage independently evolved a novel class of cysteine-rich peptides to impose a differentiation process on their endosymbionts.

Addressing RNAs to the 3′-to-5′ exoribonuclease of the cytoplasmic exosome counteracts posttranscriptional transgene silencing.

A protein phosphatase negatively regulates Arabidopsis leaf senescence through dephosphorylating a senescence-promoting receptor-like kinase.

A thylakoid membrane protein shares functional similarity and physical interactions with the homologous protein insertase, despite sequence-level divergence in a critical C-terminal domain.

The lack of lipid phosphatidylglycerol inhibits chlorophyll biosynthesis and induces accumulation of an aberrant protein complex containing monomeric PSI and CP43 antenna of PSII.

Characterization of spinach grana membranes by contact mode atomic force microscopy in aqueous medium distinguishes molecular features and the distribution of the lumen-exposed domains of PSII.

Overexpression of a cell death suppressor modulates sphingolipid and protein composition of plasma membrane microdomains, leading to enhanced tolerance to stress.

Phosphorylation of the presequence of an RNA editing factor by cytosolic kinases and its dephosphorylation by an outer mitochondrial membrane phosphatase contribute to mitochondrial import of the factor protein.

Transcriptional profiling of common bean roots exposed to rhizobial molecules uncovers unique aspects of root nodule symbiosis, including early modulation of genes encoding circadian clock components.

The glutathione precursor γ-glutamylcysteine modulates plant growth inhibition by the jasmonate hormone.

Drought inhibits cell division and expansion in the maize leaf growth zone by reducing antioxidant levels and increases photosynthetic capacity to allow for enhanced growth upon recovery.

Nitrate sensed by the NRT1.1/NPF6.3 nitrate transceptor activates a PLC activity which causes an increase in the concentration of cytoplasmic Ca^{2  +}  and stimulates expression of nitrate responsive genes.

An E3 ubiquitin ligase involved in abscisic acid signaling modulates the stability of a central jasmonate signaling component.