Genome-Wide Identification of Genes Probably Relevant to the Uniqueness of Tea Plant (Camellia sinensis) and Its Cultivars

Table 2

Profiles of the expression patterns of gene families (C. sinensis (LJ43) versus C. azalea) including genes involved in the pathways synthesizing flavonoid, theanine, and caffeine.

Secondary metabolic pathway	Gene name	Number of members of the family	Fold change ()	value	adj.
Flavonoid biosynthesis	Phenylalanine ammonia lyase	4	1.73	0.01	0.04
	Cinnamate 4-hydroxylase	1	0.82	0.21	0.40
	4-Coumarate CoA ligase	3		0.98	0.99
	Flavanone 3-hydroxylase	1		0.92	0.97
	Flavonol synthase	3	1.98	0.003	0.02
	Leucoanthocyanidin reductase	2		0.0006	0.004
	Glutamine synthetase	6	1.15	0.08	0.20
Theanine biosynthesis	Gamma-glutamyl transpeptidase	1		0.76	0.87
	Alanine aminotransferase	1	2.06	0.002	0.01
	S-Adenosylmethionine decarboxylase	3		0.88	0.94
Caffeine biosynthesis	GMP synthase	1	0.65	0.32	0.53
	-Nucleotidase	1	1.56	0.02	0.07
	Adenylosuccinate synthase	1	2.29	0.0008	0.005
	AMP deaminase	1	0.002	1	1
	S-Adenosylmethionine synthase	4	0.76	0.25	0.44