The nexine is a conserved layer of the pollen wall in land plants. The authors show that the AHL family protein TRANSPOSABLE ELEMENT SILENCING VIA AT-HOOK (TEK) is necessary for nexine formation in Arabidopsis, acting downstream of the transcription factor ABORTED MICROSPORES (AMS).
- Yue Lou
- Xiao-Feng Xu
- Zhong-Nan Yang
