# J1301: SPIROCHAETEA NS MEDIUM ## Main sol. J1301 1. Mix components thoroughly, adjust pH to 8.0, bring to a boil for a few seconds and cool down under a stream of N2. Distribute the medium into culture vessels (e.g., 10 ml in Hungate tubes) under a N2 gas stream, seal with butyl rubber stoppers and autoclave. After cooling, aseptically and anaerobically add per liter the following solutions from sterile anaerobic stocks (autoclaved or *filter-sterilized): 1 g NaNO3 0.2 g K2HPO4 0.25 g NH4Cl 0.4 g MgSO4 x 7 H2O 0.5 g FeSO4 x 7 H2O 0.11 g CaCl2 x 2 H2O 1 ml **Trace mineral solution** 1 mg Resazurin 1000 ml Distilled water 20 ml **Trace vitamins** (*) 10 ml Maltose (1.0 M) 5 ml Na2S x 9 H2O (5%) ## Trace mineral solution 1000 ml **Trace minerals** 0.03 g NiCl2 x 6 H2O 0.3 mg Na2SeO3 x 5 H2O 0.4 mg Na2WO4 x 2 H2O ## Trace vitamins 2 mg Biotin 2 mg Folic acid 10 mg Pyridoxine hydrochloride 5 mg Thiamine HCl 5 mg Riboflavin 5 mg Nicotinic acid 5 mg Calcium pantothenate 0.1 mg Vitamin B12 5 mg p-Aminobenzoic acid 5 mg Lipoic acid 1000 ml Distilled water