Table 2.

Statistics of the S. incanum MM577 introgression lines (ILs) in the genetic background of S. melongena AN-S-26 using a 12 pseudomolecule eggplant genome (Italian Eggplant Genome Sequencing Consortium; Barchi et al., 2016), and a number of candidate genes for drought tolerance.

ILs	Chrom.	Donor parent (%)	IL size (Mb)	IL position (Mb)	Chrom. IL size (%)	Chrom. total ILs size (Mb)	Chrom. total ILs size (%)	Drought-tolerance related genesa
SMI_1.1	1	9.9	114	19–133	83.8	114	83.8	–
SMI_1.2		0.7	9	27–36	6.5			–
SMI_2.1	2	3.2	37	38–75	44.5	43	51.8	1
SMI_2.2		0.1	2	75–77	2.4			–
SMI_2.3		0.4	5	75–80	6.0			2
SMI_2.4		0.5	6	75–81	7.2			3
SMI_3.1	3	6.9	79	7–86	81.4	82	84.5	7
SMI_3.2		0.6	8	78–86	8.2			2
SMI_3.3		0.2	3	93–96	3.0			1
SMI_4.1	4	7.0	81	4–85	75.2	101	96.1	3
SMI_4.2		8.2	94	4–98	89.5			4
SMI_4.3		8.8	101	4–105	96.1			6
SMI_5.1	5	0.6	8	35–43	18.6	8	18.6	11
SMI_7.1	7	10.5	121	14–135	85.2	125	88.0	4
SMI_7.2		10.9	125	14–139	88.0			7
SMI_7.3		0.8	10	129–139	7.0			4
SMI_8.1	8	9.2	106	3–109	97.2	106	97.2	11
SMI_9.1	9	1.8	21	5–26	48.3	29	64.4	3
SMI_9.2		2.5	29	5–34	64.4			3
SMI_9.3		0.7	9	26–34	20.9			1
SMI_10.1	10	0.1	2	0–2	1.8	2	1.8	–
SMI_11.1	11	0.2	3	60–63	4.1	3	4.1	–
SMI_12.1	12	7.2	83	3–86	83.0	93	93.0	11
SMI_12.2		7.7	89	3–92	89.0			14
SMI_12.3		8.1	93	3–96	93.0			18
Mean		4.3	49.5		48.2	64	62.1	5.8
Total						706		68

The positions and size of the ILs are represented in megabases (Mb) according to the physical position in each chromosome (Chrom.).

^aOrthologous loci related to drought tolerance are reported in the Supplementary Table.