Classification and organization of resistance gene analogues (<i>RGAs</i>) with a nucleotide-binding site (NBS) domain in different plant genomes.

aNBS-LRR class includes: NBS-LRR (NL) and CC-NBS-LRR (CNL). Percentage (%) of this class relative to the total number of RGAsis reported in brackets. bTIR-NBS class includes: TIR-NBS-LRR (TNL), NBS-LRR-TIR (NLT), TIR-CC-NBS-LRR (TCNL), TIR-CC-NBS (TCN), and TIR-NBS (TN). Percentage (%) of this class relative to the total number of RGAsis reported in brackets. cClass of other RGAs includes: NBS (N) and CC-NBS (CN). Percentage (%) of this class relative to the total number of RGAsis reported in brackets. nd: not declared by the authors.