a) Growth of pollen tube towards the ovule. Sperm cells exist at the tip of the tube. Pollen tube contents (PTC) are the liquid part of the pollen tube, shown in yellow. b) Upon pollination to the ...

Pollen tube guidance towards the ovule is an important step for fertilization in flowering plants. In order for this to happen, a pollen tube attractant peptide LURE guides the pollen tube precisely ...

New insight on how an enzyme ensures the correct growth of pollen tubes in flowering plants has just been published. New insight on how an enzyme ensures the correct growth of pollen tubes in ...

In the flowering plant world, reproduction means an intricate succession of events. It begins when a pollen grain that carries the sperm cells lands on the top of the pistil, the female reproductive ...

Flowering seed plants (angiosperms) have evolved unique ways to protect their gametes from pathogen attack and from drying out. The female gametes (egg and central cell) are deeply embedded in the ...

Pollination happens when either an organism or abiotic factor aids in the transport of pollen to the stigma of a plant. In order to reach the ovary to fertilize the ovules (eggs), the pollen grows ...