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Main sol. 1723a

Internal Solution-ID: S5983

1 Prepare 1l artificial sea water in milliQ water using:
Compound Amount Unit Conc. [g/L] Conc. [mM]
Artificial Sea Salt , ~ 18 mS/cm = ~ 12 psu at 25°C
(hw Marinemix 21010, Wiegandt GmbH, Sterkenhofweg 13, 47807 Krefeld, Germany)
12.4 g/l 12.4 -
2 Then add the following components:
NaNO3
(75 g/l stock solution)
1.0 ml/l 0.075 0.882
NaH2PO4 x H2O
(5 g/l stock solution)
1.0 ml/l 0.005 0.042
f/2 Trace Metal Mix 1.0 ml - -
3 Autoclave for 20 min at 121°C.
4 After cooling, add the following filter sterilized (0.2 µm) components to complete the medium:
Vitamin 3 Mix 1.0 ml - -
5 The strain is cultivated in 25 cm2 plastic tissue culture flasks with filter screw caps (T25, distributor: TPP, order number: 90026). The T25 flasks are routinely filled with 20 ml of culture. Each T25 culture is supplemented with a sterilized wheat grain as carbon source for ambient bacteria from the sampling site.
Wheat Grains
(sterilized by autoclaving at 121°C for 20 min)
trace - -
1723a Enriched Artificial Seawater Medium f/2 suppl. with Wheat Grains