# J745: MJYP2 MEDIUM


## Main sol. J745

1000	ml	**MJ(-N) synthetic seawater**	
0.5	g	NaNO3	
0.25	g	NH4Cl	
1	g	Yeast extract (BD-Difco)	
1	g	Tryptone (BD-Difco)	
10	ml	**Trace vitamins**	

1. Mix components, adjust pH to 7.0 and autoclave. Replace the gas phase with N2-O2 (99:1, v/v) gas mixture, and pressurize to 200 kPa with the same gas mixture.


## MJ(-N) synthetic seawater

30	g	NaCl	
0.14	g	K2HPO4	
0.14	g	CaCl2 x 2 H2O	
3.4	g	MgSO4 x 7 H2O	
4.18	g	MgCl2 x 6 H2O	
0.33	g	KCl	
0.5	mg	NiCl2 x 6 H2O	
0.5	mg	Na2SeO3 x 5 H2O	
0.01	g	Fe(NH4)2(SO4)2 x 6 H2O	
10	ml	**Modified Wolin's mineral solution**	
1000	ml	Distilled water	


## 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