Table 3.

The expression levels of key enzymes involved in energy-producing metabolisms between basal and distal blade of kelp

Pathway	Rate-limiting enzyme	Gene ID	Fold change
			ApD vs ApB	MyD vs MyB	JuD vs JuB
TCA cycle	Citrate synthase	GENE_007839	−2.29	−2.11	−11.25
	Oxoglutarate dehydrogense	GENE_002415	−1.78	−2.93	−3.95
		GENE_002283	−1.75	−1.36	− 1.86
		XLOC_013477	1.38	−1.73	−2.86
Glyoxylate cycle	Isocitrate lyase	GENE_025653	−7.81	−46.48	−19.09
	Malate synthase	GENE_024070	−2.58	−9.05	−14.19
Glycolysis	Glucokinase	GENE_019969	3.24	12.18	7.35
		GENE_027705	7.38	9.60	5.18
	Pyrophosphate- phosphofructose kinase	GENE_017153	7.63	13.50	5.19
		XLOC_033414	3.65	6.02	4.30
		GENE_023282	1.18	1.34	0.84
	Pyruvate kinase	GENE_006234	1.13	1.63	1.68
Gluconeogenesis	Fructose-1,6-bisphosphatase	GENE_010339	2.90	2.40	2.85
		GENE_004642	1.60	1.14	1.27
	Phosphoenolpyruvate carboxykinase (ATP)	XLOC_018117	46.29	38.48	18.73
		GENE_015129	28.30	30.78	22.01
Oxidative phosphorylation	ATP synthase	GENE_008643	1.75	2.32	0.69
		GENE_004216	4.77	9.00	3.29
		GENE_020559	1.85	2.24	0.94
		GENE_025468	2.63	2.36	1.47
		GENE_024356	3.00	1.44	0.57