Table 1.
Comparison of defense-related genes between sequenced duckweeds and those of other model plant species. Genes encoding AMPs, PRRs containing LRR (LRR-RK, LRR-RP) or LysM (LysM-RK, LysM-RP) domains, and NLR proteins were curated for Sp9509 (Hoang et al., 2018), Sp7498 (Harkess et al., 2021), Wo. australiana 8730, and Wo. australiana 7733 (Michael et al., 2021). For comparison, B. distachyon, O. sativa, A. thaliana, and M. truncatula were analyzed with the same pipeline using proteomes from the Monocot and Dicot PLAZA 4.5 database (Van Bel et al., 2018). For a detailed methods description, see https://github.com/kenscripts/tpc_dw_review/.
| Defense-Related Gene Category | Gene Type | Sp. polyrhiza 9509 | Sp. polyrhiza 7498 | Wo. australiana 8730 | Wo. australiana 7733 | B. distachyon | O. sativa | A. thaliana | M. truncatula |
|---|---|---|---|---|---|---|---|---|---|
| NLRs | NB-ARC | 20 | 35 | 3 | 4 | 346 | 483 | 169 | 797 |
|
| |||||||||
| PRRs | LRR-RK | 56 | 36 | 95 | 78 | 401 | 375 | 356 | 434 |
| LRR-RP | 78 | 80 | 20 | 32 | 111 | 143 | 162 | 332 | |
| LysM-RK | 0 | 0 | 2 | 2 | 3 | 3 | 5 | 19 | |
| LysM-RP | 0 | 0 | 5 | 5 | 3 | 7 | 4 | 9 | |
|
| |||||||||
| AMPs | Cyclotide | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
| Defensin | 5 | 5 | 9 | 9 | 44 | 23 | 60 | 85 | |
| Hevein | 0 | 0 | 6 | 5 | 16 | 10 | 10 | 8 | |
| Knottins | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | |
| LTP | 25 | 26 | 28 | 28 | 67 | 79 | 61 | 91 | |
| Snakin | 9 | 8 | 12 | 13 | 15 | 15 | 19 | 28 | |
| Thionin | 2 | 1 | 0 | 0 | 12 | 12 | 4 | 1 | |
| Vicilin | 3 | 2 | 0 | 0 | 2 | 0 | 2 | 1 | |