D. Weigel

Cryptic Variation in Adaptive Phenotypes Revealed by Panspecific flc Mutants

The paper investigates how genetic background modulates the effects of FLC mutants on flowering and other traits in Arabidopsis thaliana, revealing cryptic variation and pleiotropy.

Selection constraints of plant adaptation can be relaxed by gene editing

This study shows that gene editing can relax selection constraints on plant traits by altering genetic correlations between flowering time and water use efficiency in Arabidopsis thaliana.

Transposon-triggered epigenetic chromatin dynamics modulate EFR-related pathogen response

This study shows how a transposon influences chromatin structure to regulate immune response genes in Arabidopsis, providing insights for crop improvement.

An atypical endomembrane localized CNL-type immune receptor with a conserved deletion in the N-terminal signaling domain functions in cell death and immunity

This study identifies an atypical plant immune receptor, PML5, with a conserved deletion in its signaling domain that mediates cell death and immunity.

The immune receptor SNC1 monitors helper NLRs targeted by a bacterial effector

The paper shows that SNC1, an immune receptor, guards ADR1-L1 and ADR1-L2 from bacterial effector suppression, enabling plant immunity through sequence diversification and a layered defense system.

The genetic and physiological basis of Arabidopsis thaliana tolerance to Pseudomonas viridiflava

This study investigates how Arabidopsis thaliana responds to Pseudomonas viridiflava infection, finding that the JA/ethylene pathway influences susceptibility and that immune responses vary between accessions.

miR472 deficiency enhances Arabidopsis thaliana defence without reducing seed production.

This study shows that miR472 deficiency in Arabidopsis thaliana enhances defense against a fungal pathogen without reducing seed production.

Report of mutation biases mirroring selection in Arabidopsis thaliana unlikely to be entirely due to variant calling errors

The paper shows mutation rate biases in Arabidopsis thaliana are not fully explained by variant calling errors and are supported by multiple data sets and mechanistic evidence.

Canalization of genome-wide transcriptional activity in Arabidopsis thaliana accessions by MET1-dependent CG methylation

This study shows that MET1-dependent CG methylation in Arabidopsis thaliana reduces epigenomic and transcriptomic diversity, canalizing gene expression while also increasing diversity for some genes.

Polymorphic Inverted Repeats near coding genes impact chromatin topology and phenotypic traits in Arabidopsis thaliana

The paper identifies IRs near genes in Arabidopsis thaliana that influence chromatin topology and gene expression, with phenotypic consequences.

PICLN modulates alternative splicing and ensures adaptation to light and temperature changes in plants

This study shows PICLN modulates alternative splicing and helps plants adapt to light and temperature changes by interacting with the methylosome complex and GEMIN2.

Drought selection on Arabidopsis populations and their microbiomes

This study identifies geography-dependent microbiome differences in Arabidopsis thaliana populations and links them to drought-associated host genetics.

Predictable and stable epimutations induced during clonal propagation with embryonic transcription factors

The paper investigates how epigenetic modifications during clonal propagation affect phenotypic variation in Arabidopsis thaliana, showing that tissue-specific DNA methylation imprints drive these changes.

Rapid weed adaptation and range expansion in response to agriculture over the last two centuries

The paper studies how modern agriculture has driven the evolution and range expansion of common waterhemp over the last two centuries through genome analysis of historical and present-day samples.

Monitoring rapid evolution of plant populations at scale with Pool-Sequencing

This paper validates pool-sequencing for tracking rapid plant population evolution and introduces tools to accelerate population genetic analysis.

MethylScore, a pipeline for accurate and context-aware identification of differentially methylated regions from population-scale plant WGBS data

MethylScore identifies differentially methylated regions in plant WGBS data using an unsupervised machine learning approach, improving statistical power and reducing false positives.

Standing genetic variation fuels rapid evolution of herbicide resistance in blackgrass

This study investigates the genetic basis of herbicide resistance in blackgrass, finding that target-site resistance primarily arises from standing genetic variation rather than de novo mutations.

Chromosome-level Thlaspi arvense genome provides new tools for translational research and for a newly domesticated cash cover crop of the cooler climates

The paper presents a chromosome-level genome assembly of Thlaspi arvense and uses it to analyze genetic variation and gene structure differences between accessions.

Repeated origins, gene flow, and allelic interactions of herbicide resistance mutations in a widespread agricultural weed

This study investigates the evolutionary history of herbicide resistance mutations in common waterhemp, finding parallel origins, gene flow, and allelic interactions shaping their spread and persistence.

Protective host-dependent antagonism among Pseudomonas in the Arabidopsis phyllosphere

The paper investigates strain-level interactions between commensal and pathogenic Pseudomonas in the Arabidopsis phyllosphere, showing host-mediated protection against pathogens.

Contrasting patterns of microbial dominance in the Arabidopsis thaliana phyllosphere

The paper compares the ecological roles of Sphingomonas and Pseudomonas in the phyllosphere of Arabidopsis thaliana, finding Sphingomonas to be more adaptable but a poor competitor in dead leaves.

Genotyping-by-sequencing-based identification of Arabidopsis pattern recognition receptor RLP32 recognizing proteobacterial translation initiation factor IF1

The paper identifies RLP32 as the Arabidopsis receptor for the bacterial pattern IF1, revealing its role in PTI and resistance to Pseudomonas syringae.

Rapid genomic convergent evolution in experimental populations of Trinidadian guppies (Poecilia reticulata)

This study identifies candidate loci for convergent evolution in guppies adapted to low predation environments using genome-wide sequencing and a novel multivariate approach.

Small proteins modulate ion channel-like ACD6 to regulate immunity in Arabidopsis thaliana

The paper identifies two small proteins, MHA1 and MHA1L, that modulate ACD6 activity in Arabidopsis thaliana, affecting growth and defense trade-offs through calcium influx regulation.

Homozygosity at its Limit: Inbreeding Depression in Wild Arabidopsis arenosa Populations

The paper investigates inbreeding depression in wild Arabidopsis arenosa populations by analyzing hybrid plants and finds that increased homozygosity, rather than outbreeding depression, is associated with deleterious phenotypes.

Fine-scale Population Structure of North American Arabidopsis thaliana Reveals Multiple Sources of Introduction from Across Eurasia

This study identifies multiple introduction sources of North American Arabidopsis thaliana from Eurasia using genomic data and finds evidence of admixture increasing haplotype diversity and immune-related selection.

Arabidopsis cell surface LRR immune receptor signaling through the EDS1-PAD4-ADR1 node

This study identifies the EDS1-PAD4-ADR1 node as a convergence point for immune signaling in Arabidopsis, linking surface and intracellular LRR receptors.

Drainage-structuring of ancestral variation and a common functional pathway shape limited genomic convergence in natural high- and low-predation guppies

The paper examines genomic convergence in guppies across different drainages, finding limited shared adaptive variation but repeated selection on cadherin signaling pathways and a common haplotype.

The genetic architecture and genomic context of glyphosate resistance in Amaranthus tuberculatus

This study identifies the genetic architecture of glyphosate resistance in Amaranthus tuberculatus, revealing polygenic resistance mechanisms beyond target-site mutations.

Improved reference genome uncovers novel sex-linked regions in the guppy (Poecilia reticulata)

The paper presents an improved guppy reference genome using long-read sequencing, revealing novel sex-linked regions and resolving previous contradictions in Y chromosome studies.