Restriction enzyme sites at both ends of enhancers
ABRC stock number✶
1 × Enhancer
2 × Enhancer
✶ All vectors were delivered to ABRC (http://www.arabidopsis.org/). All vectors contain recombination sites of attL3 and attL4 and have the chloramphenicol selection marker in E. coli. All the sequences are showed in Additional file 1.