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A plant-specific DYRK kinase DYRKP coordinates cell morphology in Marchantia polymorpha.

Furuya, T., et al. · 2021 · Journal of Plant Research   research

doi:10.1007/s10265-021-01345-w   PMID:34549353   PMC8514375

Linked genes (4)  1 core 3 peripheral

Gene ID Name Evidence / Role Function (this paper)
Mp3g19940 MpDYRKP missing experimental subject Main subject; the single plant-specific DYRKP ortholog in M. polymorpha studied by CRISPR/Cas9 loss-of-function mutants and complementation. Mpdyrkp mutants show shrunken, less-flattened thalli with waved margins, disordered epidermis, lower cell circularity, and defective antheridiophores. Citrine fusion localizes the kinase as diffuse cytosolic puncta around apical notches; cell proliferation remains largely normal.
Mp8g00080 MpAN experimental comparator Compared as a cross-species/functional partner: Mpan mutants show twisted thalli and suppressed growth, with cortical microtubule defects partially overlapping but opposite in cell-circularity effect to Mpdyrkp.
MpDYRK2 missing sequence background Phylogenetic reference defining a separate DYRK subgroup, used for kinase-domain comparison illustrating DYRK family diversity.
MpTAR1 missing sequence background Phylogenetic reference; the M. polymorpha YAK1 homolog placed in the DYRK2 subgroup, distinct from DYRKP.