The Nuclear Immune Receptor RPS4 Is Required for RRS1SLH1-Dependent Constitutive Defense Activation in Arabidopsis thaliana.

ABSTRACT: Plant nucleotide-binding leucine-rich repeat (NB-LRR) disease resistance (R) proteins recognize specific M-bM-^@M-^\avirulentM-bM-^@M-^] pathogen effectors and activate immune responses. NB-LRR proteins structurally and functionally resemble mammalian Nod-like receptors (NLRs). How NB-LRR and NLR proteins activate defense is poorly understood. The divergently transcribed Arabidopsis R genes, RPS4 (resistance to Pseudomonas syringae 4) and RRS1 (resistance to Ralstonia solanacearum 1), function together to confer recognition of Pseudomonas AvrRps4 and Ralstonia PopP2. RRS1 is the only known recessive NB-LRR R gene and encodes a WRKY DNA binding domain, prompting suggestions that it acts downstream of RPS4 for transcriptional activation of defense genes. We define here the early RRS1-depende

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Ghanasyam Rallapalli 

PROVIDER: E-GEOD-51116 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress