Table 1 Summary of WOX protein expression domains and function
Protein | Alternative name (if any) in species listed | Clade | Expression domain | Function | Species |
|---|---|---|---|---|---|
WUS | Â | WUS clade | SAM, ovule, anther | Stem-cell maintenance, anther and ovule development | A. thaliana, snapdragon, petunia |
WOX1 | Â | WUS clade | Lateral organ primordia | Lateral organ formation | A. thaliana, petunia |
WOX2 | Â | WUS clade | Apical embryo domain | Embryo patterning | A. thaliana |
WOX3 | PRS1 (in maize NS1 and NS2) | WUS clade | SAM, peripheral zone | Promotes cell proliferation, lateral organ formation | A. thaliana, maize, petunia, rice |
WOX4 | Â | WUS clade | Unknown | Unknown | Â |
WOX5 | Â | WUS clade | RAM | Stem-cell maintenance | A. thaliana, rice |
WOX6 | PFS2, hos9 | WUS clade | Female gametophyte | Prevents differentiation, cold-stress response | A. thaliana |
WOX7 | Â | WUS clade | Â | Â | A. thaliana |
WOX8 | Â | Intermediate clade | Basal embryo domain | Embryo patterning | A. thaliana |
WOX9 | STIMPY | Intermediate clade | Basal embryo domain | Embryo patterning, promote cell proliferation | A. thaliana, tomato, petunia |
WOX10 | Â | Ancient clade | Unknown | Unknown | A. thaliana |
WOX11 | Â | Intermediate clade | SAM and RAM | Crown root development | Rice |
WOX12 | Â | Intermediate clade | Unknown | Unknown | A. thaliana |
WOX13 | Â | Ancient clade | Root, inflorescence | Floral transition, root development | A. thaliana |
WOX14 | Â | Ancient clade | Root, inflorescence | Floral transition, root development | A. thaliana |