| group | condition | fitness | t score | |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -5.4 | -3.7 | compare |
| iron | Iron excess (2.5x) , H2 media | -5.3 | -5.2 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Casamino Acid FREE | -5.1 | -3.5 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -5.0 | -3.5 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -5.0 | -3.4 | compare |
| hydrogen no stress control | H2 no stress control | -5.0 | -8.3 | compare |
| biofilm | Formate pooled triplicate biofilm cells | -4.9 | -6.7 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -4.9 | -4.8 | compare |
| formate no stress control | Formate no stress control | -4.9 | -8.7 | compare |
| stress | Formate 50 mM hypophosphite | -4.9 | -9.3 | compare |
| stress | Formate 50 mM hypophosphite | -4.8 | -8.7 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -4.8 | -5.7 | compare |
| nitrogen source | H2 N-free with 10mM Ammonium chloride | -4.7 | -6.4 | compare |
| iron | Iron excess (2.5x) , H2 media | -4.7 | -6.8 | compare |
| stress | Formate 50 mM hypophosphite | -4.7 | -8.4 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -4.6 | -4.5 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -4.5 | -6.2 | compare |
| nitrogen source | H2 N-free with 2g/L casaminos | -4.4 | -7.4 | compare |
| rich t2 | H2 McCas, 5g/L bicarb, 40 psi H2CO2 | -4.4 | -3.8 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -4.4 | -6.1 | compare |