Nonlinear phenotypic variation uncovers the emergence of heterosis in Arabidopsis thaliana
François Vasseur , Louise Fouqueau, Dominique de Vienne, Thibault Nidelet, Cyrille Violle, Detlef Weigel
PLoS Biology https://doi.org/10.1371/journal.pbio.3000214
Heterosis describes the phenotypic superiority of hybrids over their parents in traits … Read the rest
Other new members this year include Michelle Obama & gender theorist Judith Butler
Detlef has been elected to the American Academy of Arts and Sciences. This year, more than 200 individuals with compelling achievements in academia, business, government, and public … Read the rest
Patricia Lang and Giovanna Capovilla both won HFSP support!
Congratulations to Patricia Lang, who will work on “Evolutionary genetics of stomata-related climate change-adaptation through space and time”, and Giovanna Capovilla, who will work on “Prochlorococcus cyanophage: lysogenic potential … Read the rest
A first: Two PhD defenses on one day!
Both Anna-Lena and Darya investigated the amazing diversity of NLR genes in Arabidopsis thaliana:
Anan-Lena’s PhD thesis is entitled “The pan-NLR’ome of Arabidopsis thalianaGenome-Wide Analysis of Nucleotide-Binding Domain Leucine-Rich Repeat (NLR) Variation … Read the rest
RPW8/HR Repeats Predict NLR-dependent Hybrid Performance
Barragan et al., bioRxiv, posted Feb 24, 2019
Hybrid offspring can look very different from their parents, including having greatly increased or decreased fitness. In many plant species, conflicts between divergent elements of the … Read the rest
The Arabidopsis thaliana pan-NLRome
1000s of NLR genes in 65 diverse accessions
Van de Weyer et al., bioRxiv 537001, posted January 31, 2019
Disease is both among the most important selection pressures in nature and among the main causes … Read the rest
Multiple modes of convergent adaptation in the spread of glyphosate-resistant Amaranthus tuberculatus
Julia M. Kreiner, Darci Giacomini, Felix Bemm, Bridgit Waithaka, Julian Regalado, Christa Lanz, Julia Hildebrandt, Peter H. Sikkema, Patrick J. Tranel, Detlef Weigel, John R. Stinchcombe, Stephen I. … Read the rest
Fine-Grained Analysis of Spontaneous Mutation Spectrum and Frequency in Arabidopsis thaliana
Mao-Lun Weng, Claude Becker, Julia Hildebrandt, Matthew T. Rutter, Ruth G. Shaw, Detlef Weigel and Charles B. Fenster
Mutations are the ultimate source of all genetic variation.
Long-term balancing selection drives evolution of immunity genes in Capsella
Daniel Koenig et al. bioRxiv https://doi.org/10.1101/477612
Genetic drift is expected to remove polymorphism from populations over long periods of time, with the rate of polymorphism loss being accelerated when species … Read the rest
German plant scientists: gene technology law is outdated
Leading German plant scientists agree that the gene technology law, which has been interpreted by the European Court of Justice to include genome edited organisms, is outdated and must be changed. They … Read the rest
