| group | condition | fitness | t score | |
| stress | Formate 50 mM hypophosphite | -4.0 | -7.7 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.7 | -5.6 | compare |
| iron | Iron excess (2.5x) , H2 media | -3.7 | -5.1 | compare |
| rich t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 FREE | -3.7 | -6.9 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -3.6 | -6.0 | compare |
| stress | Formate 100 mM hypophosphite | -3.6 | -7.3 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.6 | -5.4 | compare |
| rich t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 FREE | -3.5 | -6.1 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.5 | -6.2 | compare |
| stress | Formate 50 mM hypophosphite | -3.4 | -9.1 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Casamino Acid FREE | -3.4 | -5.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -3.3 | -5.9 | compare |
| stress | Formate 50 mM hypophosphite | -3.3 | -7.2 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 Vitamin & Casamino Acid FREE | -3.2 | -3.2 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Vitamin FREE | -3.1 | -5.0 | compare |
| rich t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 FREE | -3.1 | -5.8 | compare |
| iron | Iron excess (2.5x) , H2 media | -3.0 | -6.4 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Vitamin FREE | -3.0 | -5.4 | compare |
| iron | control, 1x iron with casaminos and vitamins, H2 media | -3.0 | -6.7 | compare |
| nitrogen source | H2 N-free with 2g/L casaminos | -3.0 | -5.1 | compare |