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Science｜Professor Qu Lijia made another major textbook-level discovery

 Last Update: 2022-02-20
 Source: Internet
 Author: User

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On January 20, 2022, the research paper " RALF peptide signaling controls the polytubey block in Arabidopsis " by Professor Qu Lijia's laboratory in the School of Life Sciences of Peking University was published online in the internationally renowned journal Science in the form of a long article .

During the fertilization process of animals, it is often encountered that multiple sperm swim to the vicinity of the egg at the same time.

To complicate matters, the control mechanism that prevents "multiple pollen tubes" from targeting the ovule also involves another very important biological phenomenon - "fertilization compensation"

Professor Qu Lijia's team first identified three receptors FERONIA, ANJEA and HERK1 expressed at the stylopathic septum of the pistil.

Prof.

In addition to preventing "polyspermia", the establishment of a barrier to prevent polypollen tubes from penetrating at the septum of the stylar canal also has important significance in plant evolution

Based on their experimental results, Prof.

Prof.

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