Fig. 1. Domain organization of cytoplasmic RXLR effectors. Schematic drawings of PiAVR3a of Phytophthora infestans (Bos et al., 2006), PiAvrblb1 and PiAvrblb2 of P. infestans (Vleeshouwers et al., 2008; Oh et al., 2009; Oh et al., 2010), Avr1b-1 of P. sojae (Shan et al., 2004), and HpATR13 of Hyaloperonsopora parasitica (Allen et al., 2004). The numbers under the sequences indicate the amino-acid positions. The highlighted RXLR domain includes the RXLR sequence itself and the downstream dEER sequence. The gray colors distinguish the regions of the effector proteins that are involved in secretion and targeting from those involved in effector activity (Modified from Morgan and Kamoun, 2007; Oh et al., 2010).
Fig. 2. The 34-amino acid C-terminal region of AVRblb2 (Avrblb247-81) is sufficient for activation of Rpi-blb2–mediated hypersensitive cell death (HCD). Various AVRblb2-deletion constructs were co‐expressed with Rpi-blb2 by agro‐infiltration in Nicotiana benthamiana to determine the AVRblb2 domains required for the induction of the Rpi-blb2‐mediated HCD. A schematic view of the various deletion constructs is shown on the left. Symptoms of infiltration sites co‐expressing the AVRblb2 constructs with Rpi-blb2 are shown on the right (Modified from Oh et al., 2009). Photographs of symptoms were taken 5 days post-infiltration. SP, signal peptide.
참고문헌
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