The mitochondrial genome of Phallusia mammillata and Phallusia fumigata (Tunicata, Ascidiacea): high genome plasticity at intra-genus level

Table 4 Compositional features of tunicate mitochondrial genomes

	G+C%		T/G ratio		%T		%G		%A		%C		GC-skew		AT-skew
	All^a	P3^b	All	P3	All	P3	All	P3	All	P3	All	P3	All	P3	All	P3
Ascidiacea
Phallusia mammillata	47.1	50.7	1.18	1.12	33.3	32.1	28.2	28.6	19.5	17.2	18.9	22.1	0.20	0.13	-0.26	-0.30
Phallusia fumigata	46.8	52.2	1.07	0.86	33.3	30.7	31.1	35.5	19.9	17.1	15.7	16.7	0.33	0.36	-0.25	-0.29
Ciona intestinalis sp. A	21.4	10.5	3.72	8.18	44.4	49.3	11.9	6.0	34.2	40.2	9.5	4.4	0.12	0.15	-0.13	-0.10
Ciona intestinalis sp. B	23.5	15.5	3.47	5.95	43.5	46.9	12.5	7.9	33.1	37.6	10.9	7.7	0.07	0.01	-0.14	-0.11
Ciona savignyi	22.7	13.0	3.22	4.99	45.3	51.9	14.1	10.4	32.0	35.2	8.7	2.6	0.24	0.61	-0.17	-0.19
Halocynthia roretzi	31.7	24.1	1.90	2.38	44.0	50.0	23.2	21.0	24.3	26.0	8.5	3.1	0.46	0.74	-0.29	-0.32
Thaliacea
Doliolum nationalis	39.0	39.4	1.64	1.74	32.8	30.9	20.0	17.8	28.3	29.7	19.0	21.7	0.03	-0.10	-0.07	-0.02

ISSN: 2730-7182