Table 3.

Classification of recent ABC transporter gene duplication events

Species	n. ABC genes	a ABC-A	ABC-B	ABC-C	ABC-D	ABC-E	ABC-F	ABC-G	ABC-I
A. thaliana	35	5	11	6	-	-	2	9	2
O. sativa	29	2	8	4	-	-	-	15	-
S. lycopersicum	29	2	8	2	-	-	-	20	-
S. tuberosum	56	-	13	9	-	-	-	34	-
V. vinifera	52	-	4	14	-	-	2	32	-
V. carteri	2	-	-	-	-	-	2	-	-
Total	205	9	44	35	-	-	6	110	2

^aNumber of duplicate ABC transporter genes for each considered subfamily.