Table 2.
Plant LRR-RLKs associated with plant-microbe interactions, innate immunity and defense
| Gene | Plant | Class | Type | Function | Perception | Putative ligands | References |
| CURL3 | Solanum esculentum | LRR | RD-kinase | Putatively systemin perception during wounding; possibly brassinosteroid perception *Orthologue of Sr160 | Nonself recognition: altered self | Systemin BL | 107 |
| DIPM1 to 4 | Malus x domestica | LRR | Non-RD-kinase | Disease resistance and plant-pathogen interaction signaling | Nonself recognition: different origins | DspA/E | 108 |
| EFR | Arabidopsis thaliana | LRR | Non-RD-kinase | Disease resistance and plant-pathogen interaction signaling | Nonself recognition: different origins | EF-Tu (elf18) | 29 |
| ERECTA | Arabidopsis thaliana | LRR | RD-kinase | Resistance to Ralstonia solanacearum | Nonself recognition: different origins | 109 | |
| FLS2 | Arabidopsis thaliana | LRR | Non-RD-kinase | Flagellin perception | Nonself recognition: different origins | flg22 | 28 |
| HAR1 | Lotus japonicas | LRR | RD-kinase | Nodule development during nitrogen fixation symbiosis *Orthologue of NARK | Symbiotic relationship, recognition of different origins | 110 | |
| LRPKm1 | Malus x domestica | LRR | RD-kinase | Disease resistance and plant-pathogen interaction signaling. Highly induced expression during incompatible reactions and lower induction during compatible interactions with Venturia inaequalis | Nonself recognition: different origins | 111 | |
| Nork | Medicago sativa | LRR | Non-RD-kinase | Bacterial symbiosis. root nodule and mycorrhiza formation *Orthologue of SYMRK | Symbiotic relationship, recognition of different origins | 112 | |
| PEPR1 | Arabidopsis thaliana | LRR | RD-kinase | Activation of defense and possible positive feedback loop mechanism to amplify PAMP-induced responses. | Nonself recognition: altered self | AtPep1 | 113 |
| SIRK | Arabidopsis thaliana | LRR | RD-kinase | Upregulated during senescence and pathogen challenge | Nonself recognition: different origins | 114 | |
| SR160 | Lycopersicon esculentum | LRR | RD-kinase | Putatively systemin perception during wounding; possibly brassinosteroid perception *Orthologue of CURL3 | Nonself recognition: altered self | Systemin BL | 115 |
| SYMRK | Lotus japonicus | LRR | RD-kinase | Bacterial symbiosis. root nodule and mycorrhiza formation *Orthologue of Nork | Symbiotic relationship, recognition of different origins | 116 | |
| Xa21 and Xa26 | Oryza sativa | LRR | Non-RD-kinase | Specific disease resistance to Xanthomonas oryzae pv oryzae | Nonself recognition: different origins | AvrXa21 elicitor | 117, 118 |