medium no. 71: modified Linsmaier and Skoog medium, 0.2 mg/L 2,4-dichlorophenoxyacetic acid, 0.4% (w/v) gellan gum, pH 5.8

Plant cell lines

• rpc00111: Arabidopsis thaliana YG1-c callus culture

• rpc00112: Arabidopsis thaliana At tom-c transgenic callus culture

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

• BY2_P

  Chemical	Concentration (mg/mL)
  KH2PO4	80

• LS_VT_modified

  Chemical	Concentration (mg/mL)
  Thiamine·HCl	0.4
  myo-Inositol	40

• 2,4-D (0.2 mg/mL)

  Chemical	Concentration (mg/mL)
  2,4-D sodium monohydrate	0.236

  (2,4-Dichlorophenoxy)acetic acid sodium salt monohydrate, Sigma-Aldrich (D6679)

• Gellan gum

  Gellan gum, FUJIFILM Wako Pure Chemical Corporation (#073-03071)

• KOH (1 N)

Medium preparation

1. Dissolve the following chemicals in approximately 800 mL of distilled water.

   Chemical	Amount
   MS salt mix	1 bag (1 L)
   Sucrose	30 g

2. Add following stock solutions, and fill up to approximately 950 mL with distilled water.

   Stock solution	Volume (mL)
   BY2_P	2.5
   LS_VT_modified	2.5
   2,4-D (0.2 mg/mL)	1

3. Adjust the pH of the solution to 5.8 with KOH (1 N), and fill up to 1 L with distilled water.

4. Add 4 g of gellan gum to the medium.

5. 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	370
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	1
myo-Inositol	100
Sucrose	30000
2,4-D sodium monohydrate	0.236
Gellan gum	4000