Table 2.

DNA sequence diversity of Bathymodiolus endosymbionts

Locus		Sample localities
		11°N	9°N	GARa	7°S	11°S	17°S	23°S	32°S	38°S
16S rRNA encoding gene (300 bp)	N b	-	13,310	-	2008	7531	6688	1899	6400	3046
	h c	-	7	-	3	6	6	3	4	5
	H d	-	0.030	-	0.157	0.020	0.029	0.026	0.009	0.029
	π e	-	1.0E-04	-	5.3E-04	6.6E-05	9.5E-05	8.7E-05	3.0E-05	9.8E-05
COI Cytochrome C oxidase subunit I (443 bp)	N	3294	3692	1583	2246	2157	2545	1029	2332	737
	h	36	24	40	8	11	59	17	33	19
	H	0.80	0.70	0.72	0.77	0.68	0.86	0.84	0.67	0.73
	π	0.003	0.002	0.003	0.003	0.002	0.003	0.004	0.002	0.003
dnaK Chaperone protein (469 bp)	N	2465	3100	2995	2362	2671	1876	1967	2367	2300
	h	5	39	23	22	19	45	4	33	43
	H	0.42	0.78	0.62	0.80	0.67	0.65	0.45	0.82	0.83
	π	0.001	0.003	0.002	0.003	0.002	0.002	0.001	0.003	0.003
pgi Glucose-6-phosphate isomerase (441 bp)	N	1966	2986	2466	1972	1918	2668	1339	3747	1528
	h	35	30	57	16	16	70	11	151	103
	H	0.82	0.85	0.85	0.67	0.70	0.87	0.46	0.91	0.91
	π	0.004	0.004	0.004	0.003	0.003	0.004	0.002	0.008	0.006
pykF Pyruvate kinase (404 bp)	N	2234	3051	3475	2770	3020	2629	1602	3150	1934
	h	39	37	57	32	65	43	21	87	39
	H	0.75	0.81	0.77	0.74	0.90	0.79	0.79	0.88	0.78
	π	0.003	0.006	0.005	0.006	0.006	0.003	0.004	0.006	0.003
rpoD RNA polymerase, sigma D factor (388 bp)	N	3326	4328	3901	3650	4090	3717	2403	4797	2199
	h	30	26	25	26	22	42	27	18	42
	H	0.84	0.76	0.81	0.80	0.80	0.64	0.70	0.65	0.68
	π	0.004	0.003	0.004	0.004	0.004	0.002	0.004	0.002	0.003
soxA Sulfur oxidation protein A (361 bp)	N	4196	5036	4085	3763	4652	3370	2715	3879	4105
	h	6	9	12	7	3	5	8	4	6
	H	0.45	0.70	0.70	0.47	<0.01	0.34	0.03	0.03	0.17
	π	0.001	0.001	0.002	0.001	<0.001	0.001	<0.001	<0.001	<0.001

^aGalápagos Rift

^bNumber of sequence reads

^cNumber of distinct DNA sequences estimated from the data with 1% of error-correction

^dDiversity of sequences estimated from the data with 1% of error-correction

^eNucleotide diversity estimated from the data with 1% of error-correction