tRNA functional signatures classify plastids as late-branching cyanobacteria

Table 1 Summary statistics on genomes and tRNA genes of cyanobacterial and plastid clades and grades

Clade/Grade	Genomes (G)	Genes (T)	T/G	Bases (N)	N/T	%A	%T	%G	%C
Cyanobacteria
A	11	555	50.45	40,362	72.72	20.1	23.3	31.2	25.4
B1	27	1,395	51.67	101,640	72.86	19.7	23.3	31.6	25.4
B2+3	30	1,314	43.80	95,685	72.82	19.5	23.0	32.0	25.5
C1	29	1,205	41.55	87,856	72.91	18.8	21.8	32.7	26.7
C2	2	90	45.00	6,550	72.78	19.5	21.9	32.2	26.4
C3	3	142	47.33	10,346	72.86	19.1	22.8	32.3	25.7
D	2	116	58.00	8,430	72.67	19.7	23.3	31.7	25.3
E	5	266	53.20	19,378	72.85	19.3	22.8	32.1	25.8
F	4	211	52.75	15,339	72.70	20.1	23.4	31.3	25.2
G	4	182	45.50	13,218	72.63	18.7	21.7	32.8	26.8
G. lithophora	1	44	44	3,194	72.59	18.8	22.7	32.3	26.2
Plastids/Chromatophores
Charophyta	10	352	35.20	25,513	72.48	21.1	24.2	30.1	24.6
Chlorophyta	7	226	32.29	16,436	72.73	21.9	25.4	29.1	23.6
Cryptophyta	4	117	29.25	8,512	72.75	20.9	24.2	29.9	25.0
Heterokonta	33	992	30.06	72,229	72.81	21.2	25.1	29.6	24.1
Eudicots	191	6,593	34.52	478,337	72.55	21.4	25.2	29.7	23.7
Euglenaceae	10	276	27.60	20,070	72.72	22.3	27.1	28.4	22.3
Monilophytes	8	270	33.75	19,641	72.74	21.2	24.5	30.0	24.3
Gymnospermae	26	824	31.69	59,867	72.65	21.9	24.6	29.6	23.9
Haptophyta	4	111	27.75	8,079	72.78	21.0	25.1	29.7	24.2
Monocots	112	3930	35.10	285,302	72.60	21.7	25.2	29.5	23.7
Magnoliids	9	315	35.00	22,856	72.56	21.3	24.9	29.7	24.0
Nymphaeales	2	68	34.00	4,934	72.56	21.4	25.1	29.8	23.7
Rhodophyta	20	624	31.20	45,438	72.82	21.9	25.2	29.1	23.8
Bryophyta	3	108	36.00	7,845	72.64	22.2	25.4	29.0	23.4
Glaucocystophyta	1	35	35	2,543	72.66	20.4	23.7	30.9	25.0
P. chromatophora	1	42	42	3,060	72.86	19.1	21.7	32.7	26.5

ISSN: 2730-7182