Thorsten Schnurbusch, Helmy Youssef and colleagues show that VRS2, a transcription factor of the SHI family, regulates floral organ patterning and phase duration during spike development in barley. Their data establish a link between the SHI protein family and sucrose metabolism during organ growth and development.
- Helmy M Youssef
- Kai Eggert
- Thorsten Schnurbusch