Evolution of glutamate dehydrogenase genes: evidence for lateral gene transfer within and between prokaryotes and eukaryotes

Table 1 Distribution of GDH among the organismal groups for which at least one complete genome sequence is available

Domain^a	Group	#species^b	GDH-1	GDH-2	GDH-3	GDH-4
A	Crenarchaeota	4		+
A	Euryarchaeota	5		+
A	Euryarchaeota	4
B	Aquificales	1
B	Chlamydiales	3
B	Cyanobacteria	2		+
B	High G+C Gram +	1	+
B	High G+C Gram +	2				+
B	Low G+C Gram +	1	+	+
B	Low G+C Gram +	5	+
B	Low G+C Gram +	3		+
B	Low G+C Gram +	6
B	α-proteobacteria	1	+			+
B	α-proteobacteria	1		+		+
B	α-proteobacteria	5				+
B	β-proteobacteria	1	+	+
B	β-proteobacteria	1		+
B	γ-proteobacteria	4	+
B	γ-proteobacteria	1	+	+
B	γ-proteobacteria	1	+			+
B	γ-proteobacteria	2				+
B	γ-proteobacteria	1
B	ε-proteobacteria	1	+
B	ε-proteobacteria	1
B	Spirochaetales	2
B	Thermotogales	1		+
B	Thermus/Deinococcus	1	+	+
E	Fungi	2	+		+
E	Metazoa	3		+
E	Microsporidia	1
E	Viridiplantae	1	+	+

^a A, Archaea; B, Eubacteria; E, Eukaryotes. ^b The number of species in the group that show the distribution pattern.

ISSN: 2730-7182