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Table 1 List of used media and conditions

From: Resilient microorganisms in dust samples of the International Space Station—survival of the adaptation specialists

Medium

Phase

pH

Incubation temperature

Gasphase

Abbreviation

Target organisms

Medium reference

R2A agar pH 5

Solid

5

30 °C

Aerobic (ambient)

pH 5

Acidophiles

–

R2A agar pH 9

Solid

9

30 °C

Aerobic (ambient)

pH 9

Alkaliphiles

–

R2A agar pH 7

Solid

7

30 °C

Aerobic (ambient)

pH 7F

Heterotrophs

–

RAVAN pH 7 for oligotrophs

Solid

7

30 °C

Aerobic (ambient)

RAV

Oligotrophs

[72] (modifieda)

DSMZ_Medium97 for halophiles

Liquid

7.5

40 °C

Aerobic (ambient)

Halo

Halophiles

DSM 97 (www.dsmz.de)

R2A pH 7 liquid

Liquid

7

30 °C

N2

pH 7an

Anaerobes

–

Medium for methanogens

Liquid

7

40 °C

H2CO2 (80:20)

MS

Methanogens

[73]

MS supplemented with 0.1% yeast extract and 0.1% acetate

Liquid

7

40 °C

H2CO2 (80:20)

MS_sup

Methanogens

–

Archaea-supporting liquid medium

Liquid

7

30 °C

N2

ASM

Archaea

[74]b

ASM supplemented with 0.1% yeast extract and 0.1% acetate

Liquid

7

30 °C

N2

ASM_sup

Archaea

–

Autotrophic all-rounder liquid medium

Liquid

7

30 °C

N2CO2 (80:20)

AAM

Autotrophs

[74]b

Autotrophic homoacetogen liquid medium

Liquid

7.5

30 °C

H2CO2 (80:20)

AHM

Autotrophs

[74]b

  1. a1:100 diluted, final concentration of 50 mg/l sodium pyruvate instead of 20 mg/l pyruvic acid
  2. bWithout addition of antibiotics