Novel candidate genes influencing natural variation in potato tuber cold sweetening identified by comparative proteomics and association mapping

Table 1 Proteins showing significant (ρ < 0.05) correlation between mean spot intensity and tuber sugar content in 40 cultivars

Spot No	PPMCC ¹	ρ-value	Protein identity	Accession	Locus ²PGSC0003DMG	Superscaffold PGSC0003DMB	Chromosome
1	0,428	0,006	Granule-bound starch synthase	1718316A	400012111	000000048	VIII
2	0,403	0,010	Granule-bound starch synthase	1718316A	400012111	000000048	VIII
3	-0,345	0,029	Miraculin; Precursor	P13087	- ³	- ³	?
4	-0,518	0,001	Putative Kunitz-type tuber invertase inhibitor precursor	AAL60242	400010146, 40001043, 400010139	000000159	III
5	-0,355	0,025	Proteinase inhibitor II	AAO88244	400004547 400004548	000000400	III

¹Pearson product–moment correlation coefficient.
²When proteins matched to multiple loci in the potato genome, they were ordered according to decreasing sequence similarity.
³No sequence similarity was detected.

ISSN: 1471-2229