Table 1.

GC content of CDS across 7 Rosales species

Species	GC%	GC1%	GC2%	GC3%	GC3s%	The number of genes
Ziziphus jujuba	44.10	50.50	40.33	41.47	39.26	26,319
Fragaria vesca	44.91	50.99	40.29	43.45	41.26	30,405
Malus domestica	45.28	51.31	40.66	43.87	41.77	44,181
Prunus mume	44.57	51.01	40.44	42.24	40.06	22,850
Prunus persica	44.40	50.92	40.38	41.91	39.71	26,499
Pyrus bretschneideri	45.54	51.59	40.85	44.17	42.10	39,184
Morus notabilis	45.57	51.27	40.67	44.76	42.74	19,947
Average	44.91	51.08	40.52	43.12	40.99

Note: GC1, GC2 and GC3 represent the GC content of the first, second, third base of codon; GC3s represents the GC content of the third synonymous position