1. Cluster I

2. Cluster II

3. Cluster III

4. (contiued)

5. Cluster IV

6. (continued)

7. Cluster V

8. Cluster VI

9. (continued)

10. Cluster VI (continued)

11. Supplementary Fig. 1 Full expanded form of Fig. 3 Phylogenetic tree constructed using full length Dof protein sequences from Chlamydomonas reinhardtii (1), Selaginella moellendorfii (10), Physcomitrella patens(5), Pinus taeda (7), Arabidopsis thaliana (36), Oryza sativa Japonica (30), Sorghum bicolor (28), Glycine max (78), Hordeum vulgare (21), Nicotiana tobacum (17), Populus trichocarpa (43), Triticum asetivum (17), Zea mays (44), Brychypodium distactylon (25), Solanum lycopersicum (30), Solanum tuberosum (34), Jatropha curcas (23) and Cajanus cajan (38) using MEGA5.2.2 by NJ method.