Table 2 Number of genes (and corresponding percentage to total number of genes) regulated by symbiont content within each vent field, commonly regulated by the two types of symbiont within vent field and by each type of symbiont across vent field.

128

286

8%

16%

36

1.1%

133

259

180

359

14%

20%

102

3%

285

311

35

1%

192

5.6%

2

0.1%