Table 1. Overview of performed single and combined stress tests with strain MASE-LG-1.

Single stress	Conditions
Desiccation	≤ 6 month
X-rays	≤ 1000 Gy
Nutrient limitation	Dilution of medium and nutrients (1:10 / 1:50)
Perchlorates	15 min, ≤ 3 M
Osmotic stress (NaCl)	15 min, ≤ 6 M
H2O2	15 min, ≤ 1 M
Temperature	-86°C—+90°C
Combined stresses	Conditions
Desiccation and vacuum	≤ 1 month
Desiccation and Mars atmosphere	≤ 1 month
Desiccation and X-rays	1 day; ≤ 800 Gy
X-rays and oxygen	≤ 800 Gy; 21% O2
X-rays and desiccation	≤ 800 Gy; 1 day
Nutrient limitation and desiccation	1:10 / 1:50; 1day
Nutrient limitation and X-rays	1:10 / 1:50; ≤ 600 Gy
Perchlorate and desiccation	0.5% / 1%; 1 day
Perchlorate and X-rays	0.5% / 1%; ≤ 700 Gy
NaCl and desiccation	≤ 6 M (15 min); 1 day