Table 2.

Classification of NBS-LRRs in genomes of five Rosaceae fruit species

	F. vesca	M. domestica	P. bretschneideri	P. persica	P. mume
Number of single gene	97	232	172	121	182
Number of multi-gene	47	516	297	233	170
Number of gene family	12	107	86	53	49
Average members per family	3.92	4.82	3.45	4.40	3.47
Proportion of multi-gene	32.64%	68.98%	63.33%	65.82%	48.30%
Number of TNL multi-gene	9	147	137	95	82
Number of TNL gene family	1	30	43	19	23
Proportion of TNL multi-gene	39.13%	67.12%	61.99%	74.22%	53.59%
Number of non-TNL multi-gene	38	369	160	138	88
Number of non-TNL gene family	11	77	43	34	26
Proportion of non-TNL multi-gene	31.40%	69.75%	64.52%	61.06%	44.22%