TABLE 3.

Net production and consumption of oxidized and reduced chemical species during growth of Thiobacillus sp. RG5 on S₂O₃²⁻ with O₂ or NO₃⁻ at 5 and 15°C

Temp and oxidant	Change in concna (mM)				Reaction stoichiometryb
	NO2−	NO3−	SO42−	S2O32−	S2O32−	Oxidant	SO42−
5°C
O2			10.9	−6.0	1.0		1.8
NO3−		−4.0	7.0	−3.0	1.0	1.3	2.3
NO2−	−4.5		4.2	−1.8	1.0	2.5	2.4
15°C
O2			13.5	−6.5	1.0		2.1
NO3−		−4.6	7.0	−3.9	1.0	1.2	1.8
NO2−	NAc		NA	NA	NA	NA	NA

^aThe data presented represent the difference in the average of triplicate measurements taken from triplicate biological controls.

^bThe stoichiometry of the production or consumption of a given chemical species is based on measured values and was normalized to net S₂O₃²⁻ consumption.

^cNA, not available.