1. tsn1tsn2 tsn1tsn2 WT TSN2 TSN1 28S A B Col C 3 kb RB LB LB RB tsn2 TSN1 TSN2 Figure 1  TSN  NMT 110kD 77kD D tsn1 tsn1tsn2 SN SN SN SN TUDOR SN

2. A Root length (cm) Col tsn1 tsn1tsn2 TSN1 EC tsn2 Ws tsn1tsn2 TSN2 EC *** Figure 2.  TSN  NMT B **

3. Figure 3 TSN1 DiSR pics here ( keep GUS for DiSR paper)  TSN Comassie Roots (10 dag) Leaves (10 dag) Rosette leaves (21 dag) Flower buds Open flowers Green siliques ( 5daf) Dry seeds A B TSN2

4. relative fresh weight (%) Col tsn1 tsn1tsn2 TSN1 EC tsn2 Ws TSN2 EC B ** A Figure 4. 100mM NaCl TSN1 EC tsn1tsn2 14/283/24  2 : 0,009 dans fig legend * ** * 150 mM NaCl

5. Germination % ABA (µM) NaCl (mM) ABA (µM) NaCl (mM) A ** (tsn1) * (tsn2) ** ** Figure 5 C Col tsn2 Ws tsn1 TSN1 EC tsn1tsn2 TSN2 EC tsn1tsn2 B D TSN1 EC tsn1tsn2 TSN2 EC tsn1tsn2 Col tsn2 Ws tsn1 Germination % 0 0.1 1 10

6. Figure 6 Col tsn1 tsn2 Ws Seed set (mg) *** TSN1 EC TSN2 EC tsn1tsn2 **

7. Figure 7 light ( copie d’écran)

8. Predicted signal peptide Other Reference mRNA pool N=3468 mRNA downregulated in tsn1tsn2 tsn1tsn2 / TSN1 EC, N=53 (* Pval < 0.05) Figure 8 C tsn1tsn2 / TSN1 EC tsn1tsn2 / TSN2 EC 37 16 12 tsn1tsn2 / TSN1 EC tsn1tsn2 / TSN2 EC A B  =23  =17  =53  =32 6 11 Downregulated Upregulated D 17% 83% 75% 25% E a.u. - T D – T D – T D At1g54000At5g28540 At4g29520At5g42020

9. Table 1