MT-ND4 and infection: Meanwhile, the expression peaks of endonucleases during host infection were identified (Figure 5C), such as the high expression of mag3 (a GIY-YIG endonuclease, located within the intergenic region between atp6 and rns) and mag33 (a LAGLIDADG endonuclease, located within the intergenic region between nad4 and rps3) at 10-h after rice infection.