Fig. 2.

Agrobacterium-mediated T-DNA transfer and plant innate immunity. A Model for Agrobacterium-mediated T-DNA transfer: T-DNA and other virulence proteins getting out from Agrobacterium via T4SS. VirE2 enters in plant cell via clathrin-mediated endocytosis. T-complex associates with several host protein and trafficked via myosin XI-K system towards nucleus. After entering to the nucleus, T-DNA get stripped off with the help of VirF and then integrated to the genome. Other virulence factors is degraded by proteasomal degradation, B Model for PAPMs perception and plant immune response during Agrobacterium infection: flg22^Atum and elf18 PAMPs of Agrobacterium recognised by cell surface PRRs, FLS2^XL and EFR, respectively. VirB2 peptide also recognised by RTNLB4. The downstream MAP-Kinase cascade activation of FLS2^XL and EFR induces several transcription factors which then enters to the nucleus and activates defence response