Table 1 PA variables used in this study and their description
PA traits | Skin/Seeda | Definition | Biological/biochemical significance |
|---|---|---|---|
Total content | |||
concP | +/+ | mg/g fresh tissue | Biosynthesis intensity per gram of tissue |
concB | +/+ | mg/berry | Taking berry size into account |
concK | +/+ | mg/Kg berries | Taking yield related-trait into account |
Subunit percentage |  | 100·(subunit content)/(total content)b | Assessment of partitioning efficiency of |
catEx | +/+ | (+)-catechin Extension subunit | PA biosynthesis among different subunits |
epiEx | +/+ | (-)-epicatechin Extension subunit | Â |
galEx | +/+ | (-)-epicatechin-3-O-gallate Extension subunit | Â |
egcEx | +/- | (-)-epigallocatechin Extension subunit | Â |
catT | +/+ | (+)-catechin Terminal subunit/monomer | Â |
epiT | +/+ | (-)-epicatechin Terminal subunit/monomer | Â |
galT | +/- | (-)-epicatechin-3-O-gallate Terminal subunit/monomer | Â |
Composite variables | |||
mDP | +/+ | mean Degree of Polymerisation(Total number of extension and terminal/monomer subunits)/(Number of terminal subunit/monomer) | Assessment of PA polymer size |
F3pr35c | +/- | (catEx + epiEx + galEx + catT + epiT)/(egcEx) | Assessment of flux between B-ring di-OH and tri-OH subunits |
Ftranscis_Exc | +/+ | Skin:catEx/(epiEx + galEx + egcEx) Seed: catEx/(epiEx + galEx) | Assessment of flux between 2,3-trans subunit and 2,3-cis subunit in extension part |
Ftranscis_Tc | +/+ | Skin: catT/epiT Seed: catT/(epiT + galT) | Assessment of flux between 2,3-trans subunit and 2,3-cis subunit in terminal part |
Ftrancis_allc | +/+ | Skin: (catEx + catT)/(epiEx + galEx + egcEx + epiT) Seed: (catEx + catT)/(epiEx + galEx + epiT + galT) | Global assessment of flux between 2,3-trans subunit and 2,3-cis subunit(extension + terminal/monomer) |