Table 6.
Candidate genes identified in the QTL regions for leaf, peel and pulp color in guava related to lycopene and anthocyanin biosynthetic pathways.
| Trait | QTL name | Chromosome no. | Description | Functions | E value |
|---|---|---|---|---|---|
| Leaf color | qLC1.1 qLL1.1 |
8 | Homeobox-leucine zipper protein MERISTEM L1-like | Regulation of flavonoid biosynthesis | 9E-47 |
| Leaf L* | qLL10.1 | 11 | BZIP domain-containing protein | Regulation of Chlorophyll degradation | 0 |
| Peel color | qSC1.1 qPEL1.1 qPEA1.1 |
8 | Homeobox-leucine zipper protein MERISTEM L1-like | Regulation of flavonoid biosynthesis | 7E-50 |
| Peel L* | qPEL2.1 | 10 | Phytoene synthase | Key enzyme in Carotenoid biosynthesis | 2E-157 |
| HTH Myb-type domain-containing protein | Regulation of flavonoid and carotenoid biosynthesis | 8E-117 | |||
| NAC domain-containing protein | Regulation of anthocyanin and carotenoid accumulation | 0 | |||
| 4-hydroxyphenylpyruvate dioxygenase | Key enzyme in Shikimate pathway | 0 | |||
| Peel a* | qPEA1.2 | 8 | Homeobox-leucine zipper protein MERISTEM L1-like | Regulation of flavonoid biosynthesis | |
| Peel b* | qPEB2.1 | 10 | bHLH domain-containing protein | Regulation of flavonoid biosynthesis | 0 |
| NB-ARC domain-containing protein | Regulation of signaling pathways, flavonoid and carotenoid biosynthesis | 0.7 | |||
| WD repeat-containing protein 26 homolog | Regulation of flavonoid biosynthesis | 0 | |||
| Homeobox-leucine zipper protein MERISTEM L1-like | Regulation of flavonoid biosynthesis | 9.00E-45 | |||
| Peel b* | qPEB9.1 | 10 | S-acyltransferase, 2.3.1.225, Palmitoyltransferase | Regulation of protein localization, stability, and activity | 0 |
| Glycosyltransferase | Plant growth regulation and development | 3E-22 | |||
| Peel b* | qPEB7.1 | 2 | Pentatricopeptide-repeat region of PRORP domain-containing protein | Fruit ripening and flesh color development | 0 |
| Pulp color | qPC2.1 | 10 | AP2/ERF domain-containing protein | Regulation of Chlorophyll degradation | 4.00E-23 |
| Pulp L* | qPUL2.1 | 10 | Myb-like domain-containing protein | Regulation of flavonoid and carotenoid biosynthesis | 0.002 |
| 4-hydroxyphenylpyruvate dioxygenase | Key enzyme in Shikimate pathway | 0 | |||
| NAC domain-containing protein | Regulation of anthocyanin and carotenoid accumulation | 0 | |||
| Pulp a* | qPUA2.1 | 10 | NAC domain-containing protein | Regulation of anthocyanin and carotenoid accumulation | 0 |
| HTH Myb-type domain-containing protein | Regulation of flavonoid and carotenoid biosynthesis | 4E-109 | |||
| Glucan endo-1,3-beta-D-glucosidase | Fruit ripening | 1E-91 | |||
| Pulp b* | qPUB10.1 | 11 | Zinc finger protein STAMENLESS 1-like | Regulation of flavonoid biosynthesis | 0 |
| BZIP domain-containing protein | Regulation of Chlorophyll degradation | 0 | |||
| Cytochrome P450 | Regulation of flavonoid biosynthesis | 0 | |||
| Pulp b* | qPUB2.1 | 10 | Homeobox-leucine zipper protein MERISTEM L1-like | Regulation of flavonoid biosynthesis | 0 |
| AP2/ERF domain-containing protein | Regulation of Chlorophyll degradation | 0 |