Loss of a conserved disulfide bond defines Penetration2-related immune myrosinases in Brassicaceae
Gopal Singh, Himani Agrawal, Mariola Piślewska‐Bednarek, Suthitar Singkaravanit‐Ogawa, Chujia Jin, Anna Piasecka, Monidipa Bose, Sylwia Kuczewska, Aleksander Strugała, Łukasz Marczak, Milosz Ruszkowski, Yoshitaka Takano, Paweł Bednarek
This study shows that loss of a conserved disulfide bond is essential for PEN2 activity in Arabidopsis, while related myrosinases can partially replace its function in pre-invasive immunity.
bioRxiv · Aug 11, 2026 · PreprintPlant Biology