Table 2 Relationships between transcripts, metabolite abundance and sensorial attributes in SM

Solyc10g054440-Arginine decarboxylase

Arginine degradation

L-Arginine

(+) Sourness; (−) Flavor;

(−) Solyc01g110440

(+) Sourness; (+) Saltiness

Solyc01g110440-Arginine decarboxylase

Arginine degradation

L-Arginine

(−) Sourness; (−) Arginine;

(−) Solyc10g05444

(+) Flavor; (+) Sweetness;

(−) Arginine

Solyc08g079750^a

TCA cycle variation 4

L-Aspartate

(−) Saltiness;(−) Sweetness;

(−) Sweetness

Solyc04g025530-Glutamate decarboxylase

Glutamate degradation

L-Glutamate

(−) Flavor; (+) Saltiness

(+) Flavor

(+) Glutamic acid

Solyc06g035960-4-Coumarate-CoA ligase-like protein

Suberin/Flavonoid biosynthesis

Caffeate

4-Coumarate

Ferulate

(−) Caffeate; (−) Ferulate;

(−) Glycosylated coumaric acid; (+) Skin resistance; (+) Hardness; (+) Color uniformity; (+) Turgidity

(−) Skin resistance;(−) Turgidity;(+) Caffeate; (−) Color uniformity

Solyc08g068690-N-Acetyltransferase

Hydroxycinnamic acid/Tyramine amides biosynthesis

Tyramine

(−) Tyramine; (−) Juiciness;

(+) Hardness; (+) Turgidity;

(+) Skin resistance

(+) Hardness; (+) Turgidity;(+) Juiciness;

(−) Tyramine

Solyc03g007960

β-Carotene hydroxylase2

Zeaxanthin biosynthesis

β-carotene

(−) Red color; (−) β-carotene