| group | condition | fitness | t score | |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -4.0 | -11.7 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -4.0 | -12.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.8 | -11.7 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -3.8 | -13.0 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -3.8 | -11.5 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -3.7 | -12.1 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.5 | -10.8 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.5 | -11.7 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -3.3 | -11.6 | compare |
| rich t2 | H2 McCas, 5g/L bicarb, 40 psi H2CO2 | -3.1 | -9.3 | compare |
| nitrogen source | H2 N-free with 2g/L casaminos 10mM Ammonium chloride | -2.8 | -11.7 | compare |
| iron | Iron excess (2.5x) , H2 media | -2.5 | -10.1 | compare |
| iron | control, 1x iron with casaminos and vitamins, H2 media | -2.4 | -11.7 | compare |
| nitrogen source | Formate N-free with 2mM Adenosine | -2.3 | -7.2 | compare |
| iron | control, 1x iron with casaminos and vitamins, H2 media | -2.2 | -9.1 | compare |
| nitrogen source | H2 N-free with 2g/L casaminos 10mM Ammonium chloride | -2.1 | -9.7 | compare |
| nitrogen source | H2 N-free with 2g/L casaminos 10mM Ammonium chloride | -2.1 | -9.5 | compare |
| biofilm | H2 pooled triplicate biofilm cells | -2.0 | -9.5 | compare |
| iron | control, 1x iron with casaminos and vitamins, H2 media | -2.0 | -8.4 | compare |
| nitrogen source | H2 N-free with 2g/L casaminos | -2.0 | -6.4 | compare |