bioRxiv with Yanovsky lab: Light, temperature and alternative splicing

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

Julieta L. Mateos et al. (2022) bioRxiv 496170 doi.org/10.1101/2022.06.14.496170

Plants undergo transcriptome reprogramming to adapt to daily and seasonal fluctuations in light and temperature conditions. While … Read the rest

bioRxiv with MoiLab: Improved pool-sequencing

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

Lucas Czech et al. (2022) bioRxiv 477408 doi.org/10.1101/2022.02.02.477408

The change in allele frequencies within a population over time represents a fundamental process of evolution. By monitoring allele frequencies, we can … Read the rest

bioRxiv: Drought selects on plants and also their microbiomes

Drought selection on Arabidopsis populations and their microbiomes

Talia L. Karasov (2022) bioRxiv 487684 doi.org/10.1101/2022.04.08.487684

Microbes affect plant health, stress tolerance1 and life history2. In different regions of the globe, plants are colonized by distinct pathogenic and commensal microbiomes, but … Read the rest

Prestigious HFSP Long-Term Fellowship for Gal Ofir

Gal Ofir is joining us from the lab of Rotem Sorek at the Weizmann Institute, where he has helped to discover and characterize new immunity systems that bacteria use to defend themselves against phages. Check out Gal’s impressive publication record … Read the rest

bioRxiv: Stable epimutations after regeneration

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

Wibowo et al. (2022) bioRxiv 2022.03.15.484412

Read the Twitter thread here

Although clonal propagation is frequently used in commercial plant breeding and plant biotechnology programs because it minimizes … Read the rest

Systematic transcriptomic study of heterosis

Pervasive under-dominance in gene expression as unifying principle of biomass heterosis in Arabidopsis

Yuan et al. (2022) bioRxiv 2022.03.03.482808

Heterosis, the generally superior performance in hybrids compared to their inbred parents, is one of the most enigmatic biological phenomena. Many … Read the rest

PATHOCOM sampling underway

Under Aim 1 of our ERC-SyG project PATHOCOM, we are generating foundational data, by characterizing the intra- and interspecific diversity as well as abundance of pathobiota and commensal microbiota across multiple populations of A. thaliana in three regions in Read the rest

Commensal Pseudomonas can protect against pathogens

Commensal Pseudomonas strains facilitate protective response against pathogens in the host plant

Or Shalev et al., Nature Ecology & Evolution (published online February 24, 2022)

The community structure in the plant-associated microbiome depends collectively on host–microbe, microbe–microbe and host–microbe–microbe interactions. … Read the rest

Assembling Arabidopsis centromeres with HiFi reads

Collaboration with Ian Henderson (Cambridge):

Pushing the limits of HiFi assemblies reveals centromere diversity between two Arabidopsis thaliana genomes

Fernando Rabanal et al. bioRxiv 480579 doi 10.1101/2022.02.15.480579 (posted February 16, 2022)

Although long-read sequencing can often enable chromosome-level reconstruction of … Read the rest

eLife: Repeated origin of gylphosate resistance in waterhemp

Repeated origins, widespread gene flow, and allelic interactions of target-site herbicide resistance mutations

Julia Kreiner et al., eLife 11:e70242 (2022). doi: 10.7554/eLife.70242

Causal mutations and their frequency in agricultural fields are well-characterized for herbicide resistance. However, we still lack understanding … Read the rest