Pollination is the process of transferring pollen from the anther to the stigma of flowering plants. Pollination results in the stimulation of pollen to produce pollen tubes.

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  • News & Views |

    Plants have developed a variety of molecular ways to express self-incompatibility (SI) that promote outcrossing by preventing self-fertilization. A new study reveals that Citrus uses the S-RNase as the key molecule for expressing SI, giving us further evidence that the S-RNase system is widespread and evolved in an early branch of angiosperms.

    • Sota Fujii
    •  & Seiji Takayama
    Nature Plants 6, 53-54
  • News & Views |

    The stigma has tightly regulated recognition mechanisms at several levels to prevent unwanted pollen from achieving fertilization. Knowledge about barriers controlling interspecific incompatibility is scarce. New evidence reveals a novel gene involved in regulating interspecies incompatibility in self-compatible Arabidopsis thaliana.

    • Noni Franklin-Tong
    Nature Plants 5, 650-651