J Integr Plant Biol ›› 2022, Vol. 64 ›› Issue (11): 2039-2046.DOI: 10.1111/jipb.13370

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  • 收稿日期:2022-09-13 接受日期:2022-09-23 出版日期:2022-11-01 发布日期:2022-11-16

The egg cell is preferentially fertilized in Arabidopsis double fertilization

Ling Li1†, Saiying Hou1†, Wei Xiang1†, Zihan Song1, Yuan Wang1, Li Zhang1, Jing Li1,2, Hongya Gu1,3, Juan Dong4, Thomas Dresselhaus5, Sheng Zhong1* and Li-Jia Qu1,3*   

  1. 1 State Key Laboratory for Protein and Plant Gene Research, Peking‐Tsinghua Center for Life Sciences at College of Life Sciences, Peking University, Beijing 100871, China
    2 Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, College of Bioscience and Resources Environment, Beijing University of Agriculture, Beijing 102206, China
    3 The National Plant Gene Research Center, Beijing 100101, China
    4 The Waksman Institute of Microbiology, Rutgers the State University of New Jersey, Piscataway, NJ"2" 08854, USA
    5 Cell Biology and Plant Biochemistry, University of Regensburg, Regensburg 93053, Germany

    † These authors contributed to this work equally.
    * Correspondences: Sheng Zhong (shengshengzz@pku.edu.cn); Li-Jia Qu (qulj@pku.edu.cn, Dr. Qu is fully responsible for the distributions of all materials associated with this article)
  • Received:2022-09-13 Accepted:2022-09-23 Online:2022-11-01 Published:2022-11-16

Abstract: Each cyclin-dependent kinase a;1 mutant pollen grain contains a single sperm-like cell that can fertilize egg cells, similar to sperm cells. Pollination assays with mutant pollen demonstrated that the egg cell is preferentially fertilized in Arabidopsis.

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