Volume 182, Issue 2, February 2020

The Arabidopsis Small RNA Database is a user-friendly, web-based tool for exploring over 2,000 Arabidopsis sRNA-seq libraries.

Triple hemagglutinin tagging of a mitochondrial outer membrane protein enables single-step affinity purification of intact plant mitochondria in less than 20 minutes.

Generator of Root Anatomy in R (GRANAR) is a new open-source computational tool that can be used to rapidly generate digital versions of monocotyledon root anatomical networks.

Lack of the nuclear protein VENOSA4 (VEN4) affects chloroplast development and acclimation in Arabidopsis, presumably through altered dNTP levels.

The Ricinus communis stearoyl-ACP desaturase is capable of dioxygenase chemistry, converting oleoly-ACP to the natural product erythro-9,10-dihydroxystearoyl-ACP.

Engineering leaves to accumulate oils induced unexpected changes to fatty acid flux through the leaf lipid metabolic network.

Non-catalytic subunits of the heteromeric acetyl-CoA carboxylase facilitate the assembly of an activate enzyme and hence accelerate the ability to generate the key precursor of fatty acid biosynthesis, malonyl-CoA.

Transcriptome and metabolite profiles of key chlorophyll breakdown mutants reveal complex interplay between speed of chlorophyll degradation and jasmonic acid signaling.

Initiator methionine acetylation by NatB is evolutionary conserved and critical for abiotic stress responses in Arabidopsis thaliana.

Cyanobacterial Rubisco large subunits form functional hybrids with tobacco small subunits and procarboxysome microcompartments via the linker protein CcmM35 in the absence of cognate small subunits.

The successful nitrogen availability-mediated transition of Nannochloropsis from quiescence to autotrophy relies on its high flexibility of lipid metabolism, which at least in part involves microlipophagy.

Intra-cluster and mutual regulation of jasmonate-responsive transcription factor gene clusters is evident in the biosynthesis of many plant specialized metabolites.

The Arabidopsis acetate or polyketide pathway operates at the interface of central and lipid metabolism as well as supporting the much better studied phenylpropanoid pathway of flavonoid biosynthesis.

Arabidopsis accessions carrying polymorphisms in the GRANULE BOUND STARCH SYNTHASE gene vary widely in the amylose content of leaf starch, and some produce amylose-free starch.

The phloem-limited Gram-negative bacterium Candidatus Liberibacter asiaticus interacts with the phloem membranes of citrus species and can change its form to move through the phloem pores.

Exogenous auxin triggers transverse patterning of cortical microtubule arrays through the TIR1/AFB receptor pathway.

Two large deletions upstream from FLOWERING LOCUS T occurred independently in Eurasian and East-Asian cucumber populations and are associated with higher expression of this gene and earlier flowering.

ERBB-3 BINDING PROTEIN 1 acts downstream of TARGET OF RAPAMYCIN regulating multiple aspects of protein synthesis in the meristem and counteracts RETINOBLASTOMA RELATED to sustain cell growth.

Misregulation of either MADS78 or MADS79 results in seed abnormalities, due to a mistimed developmental transition of the endosperm and downstream effects on grain quality.

Senescence in Arabidopsis causes a massive transcriptional down-regulation of the machinery safeguarding the integrity and maintenance of the chromatin, the senescent methylome however, remains stable.

PTC2, an AT-hook DNA binding protein, is required for tapetal programmed cell death and pollen wall patterning in rice.

Comparisons between root system architecture-associated genes identified from maize and sorghum via GWAS enabled by high-throughput phenotyping reveal conserved functional roles of syntenic orthologs.

An apple malate transporter lacking a conserved C-terminal domain causes low fruit acidity.

The chloroplast proteins depress H₂O₂ accumulation in guard cells and drought resistance through OST1-dependent and OST1-independent pathways.

Reproducing seasonal change in laboratory settings uncovers integration and contribution of vernalization, cold acclimation, and plant morphology to cold adaptation in the model grass B. distachyon.

A structure-function analysis identifies a conserved domain of the Arabidopsis LAZY1 protein that reverses the direction of stem gravitropism by switching the causal auxin gradient.

Arabidopsis CCC1 functions in strengthening plant structural and chemical barriers and mediates plant resistance against Pseudomonas syringae.

A key transcription factor antagonizes JA-activated plant defense responses by suppressing the expression of defensin and glucosinolate biosynthesis genes.

A gene family that is required for synthesis of polyunsaturated fatty acids also contributes to aphid resistance in tomato.

Protein complexes at the nuclear envelope—known to connect the nucleus to the cytoskeleton—affect stomatal opening and closing in response to a variety of signals.

Phytochromes activate sugar and storage oil metabolism to support the transition from heterotrophic to photoautotrophic growth and chloroplast development during de-etiolation.

The physical interaction between naturally occurring mutant variants of Arabidopsis circadian clock components contributes to temperature compensation in the Cape Verde Islands.

Two isoforms of SnRK2-interacting calcium sensor are expressed in Arabidopsis;they differ in calcium binding properties, but both inhibit SnRK2s and subsequently fine tune abscisic acid signaling.

PP2A-B′γ interacts with CALCIUM-DEPENDENT PROTEIN KINASE1 and age-dependently controls salicylic acid-related signaling in plant immunity and developmental leaf senescence.