| group | condition | fitness | t score | |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -4.9 | -2.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -4.9 | -2.7 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Casamino Acid FREE | -4.8 | -1.9 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -4.6 | -1.9 | compare |
| stress | McCas_formate_complete Rifampicin 0.25 mM | -4.5 | -1.3 | compare |
| rich t2 | H2 McCas, 5g/L bicarb, 40 psi H2CO2 | -4.4 | -1.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -4.3 | -3.4 | compare |
| attachment assay; attached sample | McCas-formate glass attached | -4.3 | -2.4 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -4.2 | -3.3 | compare |
| stress | McCas_formate_complete selenate 31.25 mM | -4.2 | -1.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -4.2 | -2.9 | compare |
| stress | McCas_formate_complete deta nonoate 0.025 mM | -4.1 | -2.3 | compare |
| stress | McCas_formate_complete 3-nitroxypropanol 0.00078125 mM | -4.1 | -2.0 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -4.0 | -2.8 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -4.0 | -2.7 | compare |
| stress | McCas_formate_complete deta nonoate 0.025 mM | -4.0 | -1.7 | compare |
| stress | McCas_formate_complete sulfate 125 mM | -4.0 | -0.9 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Casamino Acid FREE | -3.8 | -2.1 | compare |
| no stress control | McCas_formate_complete no stress control | -3.7 | -1.7 | compare |
| iron | Iron excess (2.5x) , H2 media | -3.7 | -2.0 | compare |