Filip Kolář

Autopolyploidization presents a transient and potential-rich window of increased transcriptional plasticity in Arabidopsis arenosa.

This study compares gene expression and network architecture in diploid, synthetic, and natural autotetraploid Arabidopsis arenosa under stress, showing synthetic tetraploids have higher expression variation and network plasticity.

Autopolyploidy exacerbates dominance masking under negative frequency-dependent selection: evidence from sporophytic self-incompatibility in Arabidopsis arenosa and A. lyrata

The paper shows autopolyploidy reduces heterozygosity at self-incompatibility loci under dominance masking, using Arabidopsis species data.

Centromeric variation is shared across ploidy barriers in Alnus glutinosa agg.

The paper examines centromeric variation across ploidy barriers in Alnus glutinosa agg., finding shared genomic regions of admixture that coincide with centromeres.

Transcriptomic insights into triploid seed failure in Arabidopsis arenosa natural populations

This study examines transcriptomic changes in failing triploid seeds of Arabidopsis arenosa, identifying imprinted genes and revealing pathogen defense-like responses linked to the triploid block.

A Global Genomic Resource for Outcrossing Arabidopsis lyrata and Arabidopsis arenosa

The paper presents a genomic resource with 1018 A. lyrata and 736 A. arenosa genomes, enabling studies of adaptation and genetic diversity through a searchable database and GWAS analysis of latitudinal clines.

Flow cytometry protocols, relative genome size and ploidy levels for 1104 species of non-apomictic angiosperms from the Eastern Alps - a community resource based on the screening of 45,000 samples

The paper provides genome size and ploidy level data for 1104 non-apomictic angiosperm species from the Eastern Alps using flow cytometry on silica-dried samples.

Different resource partitioning explains plant species richness patterns in tropical alpine ecosystems

The paper compares resource partitioning strategies in two tropical alpine ecosystems to explain differences in species richness.

Whole-genome duplication reshapes adaptation: autotetraploid Arabidopsis arenosa leverages its high genetic variation to compensate for selection constraints.

This study compares genomic adaptation in diploid and autotetraploid Arabidopsis arenosa populations, finding that tetraploids retain more genetic variation and use it to compensate for selection constraints.

Diploid origins and early genome stabilization in the allotetraploid Arabidopsis suecica

This study investigates the origin and early genome evolution of Arabidopsis suecica, identifying de novo adaptation and functional compensation between homeologous genes.

Independent colonisations of serpentine habitats highlight species-specific evolutionary histories of lineage diversification

The paper examines genomic and phenotypic differentiation in three plant species across serpentine and non-serpentine soils, finding species-specific evolutionary patterns and multiple colonizations of serpentine habitats.

Arabidopsis arenosa influences its microbiome as a serpentine soil adaptation strategy

This study investigates how Arabidopsis arenosa adapts to serpentine soils by shaping its associated microbiome, identifying specific microbial variants linked to plant adaptation.

Genomic basis of adaptation to serpentine soil in two Alyssum species shows convergence with Arabidopsis across 20 million years of divergence

This study identifies convergent genetic adaptations to serpentine soil in two Alyssum species and compares them to Arabidopsis arenosa to find shared pathways.

Overcoming ploidy barriers: the role of triploid bridges in the genetic introgression of Cardamine amara

This study shows triploid hybrids facilitate gene flow between diploid and tetraploid Cardamine amara populations, overcoming ploidy barriers through bidirectional introgression.

Varying importance of postzygotic isolation in polyploid speciation? A survey of the triploid block strength, its causal mechanisms, and evolutionary consequences

This study surveys variation in triploid block strength across angiosperms and finds no significant impact of assessed factors on triploid seed viability, suggesting mixed roles in interspecies gene flow.

Whole-genome duplication increases genetic diversity and load in outcrossing Arabidopsis

This study examines how whole-genome duplication affects genetic diversity and mutation load in Arabidopsis arenosa, showing increased diversity but modest load increases.

How environment and genetic architecture of unreduced gametes shape the establishment of autopolyploids

This paper challenges assumptions about polyploidy success by developing a theoretical model showing diploid adaptation, not tetraploid fixation, drives adaptation to new environments.

Multiple polyploidizations in Arabidopsis lyrata stabilized by long-range adaptive introgression across Eurasia

The paper identifies multiple origins of autotetraploidy in Arabidopsis lyrata across Eurasia and shows how adaptive introgression stabilizes these polyploid forms.

Parallelism in gene expression between foothill and alpine ecotypes in Arabidopsis arenosa

The paper identifies parallel gene expression changes across alpine and foothill ecotypes of Arabidopsis arenosa under different environmental treatments.