Table 3.

Number of genes (and corresponding percentage to total number of genes) regulated by symbiont activity within each vent field, and commonly regulated by both symbiont quantity and its corresponding activity.

	Menez Gwen		Rainbow
Low ATP sulfurylase	97		91
		9%		6%
High ATP sulfurylase	195		114
Regulated by SOX and ATP sulfurylase	17	0.5%	17	0.5%
Low pmoA	28		180
		6%		10%
High pmoA	172		154
Regulated by MOX and pmoA	86	2.5%	96	2.8%