A pistil peptide toxin-pollen antidote system for reproductive barrier
Hiroki Miura, Kazuki Hirano, Takuya T. Nagae, Yoshinobu Kato, Taku Sasaki, Kenta Shirasawa, Shun Sakuraba, Tsukasa Matsuura, Sachiyo Soneda, Seiji Takayama, Sota Fujii
The paper identifies a toxin-antidote system in Arabidopsis thaliana where a pistil peptide inhibits pollen tube growth and a pollen protein counteracts this effect, contributing to reproductive barriers.
bioRxiv · Jan 23, 2026 · PreprintPlant Biology