Additional file 1: Table S1. of Geographical structure of endosymbiotic bacteria hosted by Bathymodiolus mussels at eastern Pacific hydrothermal vents

Primer sequences for 16S and six protein-coding genes of Bathymodiolus mussels’ symbionts. Table S2. Barcodes used for the amplification of (A) symbiont 16S rRNA encoding gene from 45 individual host mussels and (B) symbiont protein-coding genes from 72 individuals of host mussel. Table S3. Bacterial symbiont community in the gill tissues of host mussels, B. thermophilus and B. antarcticus, based on high-throughput data of 16S ribosomal RNA encoding gene from 45 individual host mussels. Table S4. Frequency distribution of Bathymodiolus symbiotic bacteria 16S phylotypes at seven vent localities. Table S5. Genetic diversity indices of symbiont 16S rRNA encoding gene from 45 individuals of host Bathymodiolus mussels in the EPR and PAR. Table S6. Summary table of synonymous and nonsynonymous substitutions of six protein-coding genes between two geographic groups, EPR + GAR and PAR. Table S7. Genetic diversity indices of symbiont protein-coding genes from 72 individuals of host Bathymodiolus mussels in the EPR, GAR, and PAR (based on 1% error correction criterion for the 454 pyrosequencing raw data). (DOCX 25 kb