Table 2 Top 20 KEGG pathways of significantly enriched DEGs in four watermelon cultivars (COS, LSW177, 97103, and Dumara) sorted by –Log10 P value (Fisher's exact test) and compared with a wild species (PI296341-FR)
Pathway | Cultivars | Wild | Pathway ID | ||
|---|---|---|---|---|---|
Gene number | –Log10 P | Gene number | –Log10 P | ||
Phenylpropanoid biosynthesis | 15 | 4.8 a | 5 | 0.9 | ko00940 |
Galactose metabolism | 6 | 2.6 a | 1 | 0.2 | ko00052 |
Other glycan degradation | 3 | 2.1 a | - | - | ko00511 |
Carotenoid biosynthesis | 4 | 2.0 a | 3 | 1.8 a | ko00906 |
Arginine biosynthesis | 4 | 1.8 a | 4 | 2.5 a | ko00220 |
Monobactam biosynthesis | 2 | 1.7 a | - | - | ko00261 |
Brassinosteroid biosynthesis | 2 | 1.6 a | - | - | ko00905 |
Pentose and glucuronate interconversions | 7 | 1.5 a | 2 | 0.2 | ko00040 |
Plant hormone signal transduction | 12 | 1.4 a | 8 | 1.2 | ko04075 |
Alanine, aspartate and glutamate metabolism | 4 | 1.3 a | 5 | 2.8 a | ko00250 |
Lysine biosynthesis | 2 | 1.2 | - | - | ko00300 |
Cysteine and methionine metabolism | 5 | 1.1 | 2 | 0.4 | ko00270 |
Tryptophan metabolism | 3 | 1.1 | - | - | ko00380 |
Biosynthesis of amino acids | 9 | 1.0 | 4 | 0.3 | ko01230 |
Plant-pathogen interaction | 10 | 1.0 | 3 | 0.1 | ko04626 |
Carbon fixation in photosynthetic organisms | 4 | 1.0 | 1 | 0.2 | ko00710 |
Glycine, serine and threonine metabolism | 4 | 1.0 | - | - | ko00260 |
Alpha-linolenic acid metabolism | 3 | 0.9 | 2 | 0.7 | ko00592 |
Carbon metabolism | 9 | 0.9 | 3 | 0.1 | ko01200 |
Linoleic acid metabolism | 2 | 0.8 | - | - | ko00591 |