Rice BiP3 regulates immunity mediated by the PRRs XA3 and XA21 but not immunity mediated by the NB-LRR protein, Pi5Report as inadecuate



 Rice BiP3 regulates immunity mediated by the PRRs XA3 and XA21 but not immunity mediated by the NB-LRR protein, Pi5


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Plant innate immunity is mediated by pattern recognition receptors PRRs and intracellular NB-LRR nucleotide-binding domain and leucine-rich repeat proteins. Overexpression of the endoplasmic reticulum ER chaperone, luminal-binding protein 3 BiP3 compromises resistance to Xanthomonas oryzae pv. oryzae Xoo mediated by the rice PRR XA21 Park et al., PLoS ONE 52: e9262. Here we show that BiP3 overexpression also compromises resistance mediated by rice XA3, a PRR that provides broad-spectrum resistance to Xoo. In contrast, BiP3 overexpression has no effect on resistance mediated by rice Pi5, an NB-LRR protein that confers resistance to the fungal pathogen Magnaporthe oryzae M. oryzae. Our results suggest that rice BiP3 regulates membrane-resident PRR-mediated immunity.



Author: Chang-Jin Park; Min-Young Song; Chi-Yeol Kim; Jong-Seong Jeon; Pamela C. Ronald

Source: https://archive.org/



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