medium no. 55: modified Linsmaier and Skoog medium, 10 µM 1-naphthaleneacetic acid, 1 µM kinetin, pH 5.7
Plant cell lines
Chemicals and stock solutions
(All stock solutions are stored at 4°C)
- MS salt mix - Murashige and Skoog Plant Salt Mixture, FUJIFILM Wako Pure Chemical Corporation (#392-00591) 
- Sucrose 
- LS_VT - Chemical - Concentration (mg/mL) - Thiamine·HCl - 0.16 - myo-Inositol - 40 
- NAA (1 mM) - Chemical - Concentration (mg/mL) - NAA·K - 0.224 - Potassium 1-naphthylacetate, FUJIFILM Wako Pure Chemical Corporation (#161-04021) 
- Kinetin (1 mM) - Chemical - Concentration (mg/mL) - Kinetin - 0.215 - Dissolve kinetin in small volume of KOH (1 N), and fill up with distilled water 
- KOH (1 N) 
Medium preparation
- Dissolve the following chemicals in approximately 800 mL of distilled water. - Chemical - Amount - MS salt mix - 1 bag (1 L) - Sucrose - 30 g 
- Add following stock solutions, and fill up to approximately 950 mL with distilled water. - Stock solution - Volume (mL) - LS_VT - 5 - NAA (1 mM) - 10 - Kinetin (1 mM) - 1 
- Adjust the pH of the solution to 5.7 with KOH (1 N), and fill up to 1 L with distilled water. 
- Autoclave the medium at 121°C for 20 min. 
Formulation
Chemical
Concentration (mg/L)
KNO3
1900
NH4NO3
1650
CaCl2·2H2O
440
MgSO4·7H2O
370
KH2PO4
170
H3BO3
6.2
MnSO4·4H2O
22.3
ZnSO4·7H2O
8.6
KI
0.83
Na2MoO4·2H2O
0.25
CuSO4·5H2O
0.025
CoCl2·6H2O
0.025
FeSO4·7H2O
27.8
Na2-EDTA
37.3
Thiamine·HCl
0.8
myo-Inositol
200
Sucrose
30000
NAA·K
2.24
Kinetin
0.215