| group | condition | fitness | t score | |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -6.8 | -6.7 | compare |
| iron | Iron limitation (0.2x), formate media | -6.4 | -8.8 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -6.4 | -7.6 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -6.4 | -7.6 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 Vitamin & Casamino Acid FREE | -6.3 | -4.3 | compare |
| nutrient t1 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 Vitamin & Casamino Acid FREE | -6.2 | -9.5 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -6.2 | -9.4 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 Vitamin & Casamino Acid FREE | -6.2 | -7.3 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 Vitamin & Casamino Acid FREE | -6.1 | -4.2 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Vitamin FREE | -5.9 | -6.9 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 Vitamin & Casamino Acid FREE | -5.9 | -5.8 | compare |
| rich t2 | H2 McCas, 5g/L bicarb, 40 psi H2CO2 | -5.9 | -6.8 | compare |
| nitrogen source | H2 N-free with 2g/L casaminos | -5.9 | -10.5 | compare |
| iron | Iron excess (2.5x) , H2 media | -5.8 | -9.6 | compare |
| iron | Iron limitation (0.2x), formate media | -5.7 | -10.9 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 Vitamin & Casamino Acid FREE | -5.6 | -7.6 | compare |
| nutrient t1 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 Vitamin & Casamino Acid FREE | -5.5 | -11.2 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Vitamin FREE | -5.5 | -8.4 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Vitamin FREE | -5.5 | -8.7 | compare |
| nutrient t1 | formate McAA riboflavin dropout | -5.5 | -10.5 | compare |