Table 1.
Comparison of genes orthologous encoding key enzymes in TAG biosynthetic pathway
| Enzyme name | Gene copy number | |||
|---|---|---|---|---|
| Arabidopsis1 | Cocoa1 | Shea2 | ||
| ACC2 | Homomeric Acetyl-CoA Carboxylase | 1 | 1 | 1 |
| CAC2 | Homomeric Acetyl-CoA Carboxylase BC subunit | 1 | 1 | 1 |
| BCCP(CAC1A) | Homomeric Acetyl-CoA Carboxylase BCCP subunit | 2 | 3 | 1 |
| CAC3 | Homomeric Acetyl-CoA Carboxylase alpha-CT subunit | 1 | 2 | 2 |
| ACCD | Homomeric Acetyl-CoA Carboxylase beta-CT subunit | 1 | 1 | 1 |
| MAT | Plastidial malonyl-CoA: ACP Malonyltransferase | 1 | 1 | 1 |
| KAS I | Ketoacyl-ACP synthase I | 1 | 2 | 4 |
| KAS II | Ketoacyl-ACP synthase II | 1 | 3 | 4 |
| KAS III | Ketoacyl-ACP synthase III | 1 | 1 | 2 |
| KAR | Plastidial ketoacyl-ACP Reductase | 5 | 3 | 5 |
| HAD | Plastidial Hydroxyacyl-ACP Dehydrase | 2 | 1 | 2 |
| ENR1 | Plastidial Enoyl-ACP Reductase | 1 | 2 | 2 |
| FAB2 | Stearoyl-ACP Desaturase | 7 | 8 | 2 |
| ACP | Plastidial Acyl Carrier Protein | 5 | 3 | 3 |
| ACP | Mitochondrial Acyl Carrier Protein | 3 | 4 | 5 |
| FATA | Acyl-ACP Thioesterase Fat A | 2 | 1 | 2 |
| FATB | Acyl-ACP Thioesterase Fat B | 1 | 5 | 3 |
| FAD2 | ER Oleate Desaturase | 1 | 2 | 2 |
| FAD3 | ER Linoleate Desaturase | 1 | 1 | 2 |
| FAD4 | Phosphatidylglycerol Desaturase | 1 | 1 | 1 |
| FAD5 | Monogalactosyldiacylglycerol Desaturase | 1 | 3 | 2 |
| FAD6 | Plastidial Oleate Desaturase | 1 | 1 | 1 |
| FAD7/8 | Platidial Linoleate Desaturase | 2 | 2 | 2 |
| KCS | beta-Ketoacyl-CoA synthase | 21 | 20 | 5 |
| KCR | Ketoacyl-CoA Reductase | 2 | 2 | 2 |
| ECR | Enoyl-CoA Reductase | 1 | 1 | 1 |
| LACS | Long Chain Acyl-CoA Synthetase | 2 | 7 | 5 |
| GPAT | glycerol-3-phosphate acyltransferase | 10 | 13 | 4 |
| LPAT | lysophosphatidic acid acyltransferase | 9 | 10 | 8 |
| PAP | Phosphatidic acid phosphatase | 2 | 2 | 2 |
| DGAT | Acyl-CoA:Diacylglycerol acyltransferase | 3 | 2 | 3 |