The pollen grain then germinates into a tube that guides the male reproductive cells to the depths of the ovary, picking up signals along the way that reveal the location of an ovule. Blocking signals ...

This precise orchestration ensures successful fertilization and efficient seed production, which is essential for producing our food. There's another barrier when the pollen tube releases the ...

A research team has uncovered a surprising new role for DICER-LIKE 1 (DCL1), a key enzyme in microRNA (miRNA) production.

A research team reveals a critical cellular mechanism that enables this navigation: the dynamic remodeling of actin filaments at the tip of pollen tubes.

Seeds provide most of the calories humanity eats, yet the cells that decide how big each seed becomes have remained a mystery ...

Aug. 10, 2023 — Rapid alkalinization factors (RALFs) are required for pollen tube germination and elongation, an essential process in plant fertilization. But their role in monocot plants ...