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Showing 1–4 of 4 results
Advanced filters: Author: Steven Dreissig Clear advanced filters

  • Drive mechanisms in B chromosome systems remain unclear. Here, the authors assemble the rye B chromosome pseudomolecule, identify candidate trans-acting, drive-controlling factors of the B chromosomal drive, and show a microtubule-associated protein could derive from a functional A chromosomal ancestor.

    • Jianyong Chen
    • Jan Bartoš
    • Andreas Houben
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-18

  • The heterochromatic knob (hk4S) on Arabidopsis chromosome 4 prevents the recombination between accessions with and without hk4S. Here, via egg-cell specific expression of the Cas9 nuclease, the authors demonstrate targeted reversal of the 1.1 Mb long hk4S-inversion in Col-0 and restore the crossovers with Ler-1.

    • Carla Schmidt
    • Paul Fransz
    • Holger Puchta
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-8

  • Takayoshi Ishii et al. report that two functional centromere-specific histone H3 (CENH3) paralogs with different centromere occupancy among different tissue types present in diploid cowpea. They demonstrate that CENH3.1 of cowpea is essential for normal plant growth and reproduction, while CENH3.2 is a gene likely to be undergoing early pseudogenization.

    • Takayoshi Ishii
    • Martina Juranić
    • Andreas Houben
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-12