As the plant root grows, a root cap protects its fragile tip. Every few hours, the old cap is lost and a new one replaces it. Researchers have now, for the first time, observed regular cycles of root ...

Biologists have discovered a cellular transporter that links two of the most powerful hormones in plant development -- auxin and cytokinin -- and shows how they regulate root initiation and ...

The interaction between Hertwig's epithelial root sheath (HERS) and surrounding mesenchymal cells is crucial for root dentin formation. HERS influences tooth root development and odontoblast ...