Ligands Switch Model for Pollen-Tube Integrity and Burst

Hong-Ju Li¹, Wei-Cai Yang²

Affiliations

¹ State Key Laboratory of Molecular Developmental Biology, and University of Chinese Academy of Sciences, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China. Electronic address: hjli@genetics.ac.cn.
² State Key Laboratory of Molecular Developmental Biology, and University of Chinese Academy of Sciences, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China. Electronic address: wcyang@genetics.ac.cn.

PMID: 29571836
DOI: 10.1016/j.tplants.2018.03.005

Comment

Ligands Switch Model for Pollen-Tube Integrity and Burst

Hong-Ju Li et al. Trends Plant Sci. 2018 May.

. 2018 May;23(5):369-372.

doi: 10.1016/j.tplants.2018.03.005. Epub 2018 Mar 20.

Authors

Hong-Ju Li¹, Wei-Cai Yang²

Affiliations

¹ State Key Laboratory of Molecular Developmental Biology, and University of Chinese Academy of Sciences, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China. Electronic address: hjli@genetics.ac.cn.
² State Key Laboratory of Molecular Developmental Biology, and University of Chinese Academy of Sciences, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China. Electronic address: wcyang@genetics.ac.cn.

PMID: 29571836
DOI: 10.1016/j.tplants.2018.03.005

Abstract

In flowering plants, pollen tubes deliver and release the immotile sperms to the female gametes for fertilization, but mechanisms remain unclear. New results show that the RALF family peptides control pollen-tube integrity and burst by binding to CrRLK1L family receptors and cell wall leucine-rich repeat extensins.

Keywords: CrRLK1L; LRX; RALF; burst; pollen-tube integrity.

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RALF4/19 peptides interact with LRX proteins to control pollen tube growth in Arabidopsis.
Mecchia MA, Santos-Fernandez G, Duss NN, Somoza SC, Boisson-Dernier A, Gagliardini V, Martínez-Bernardini A, Fabrice TN, Ringli C, Muschietti JP, Grossniklaus U. Mecchia MA, et al. Science. 2017 Dec 22;358(6370):1600-1603. doi: 10.1126/science.aao5467. Epub 2017 Dec 14. Science. 2017. PMID: 29242232
Arabidopsis pollen tube integrity and sperm release are regulated by RALF-mediated signaling.
Ge Z, Bergonci T, Zhao Y, Zou Y, Du S, Liu MC, Luo X, Ruan H, García-Valencia LE, Zhong S, Hou S, Huang Q, Lai L, Moura DS, Gu H, Dong J, Wu HM, Dresselhaus T, Xiao J, Cheung AY, Qu LJ. Ge Z, et al. Science. 2017 Dec 22;358(6370):1596-1600. doi: 10.1126/science.aao3642. Epub 2017 Dec 14. Science. 2017. PMID: 29242234 Free PMC article.

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Ligands Switch Model for Pollen-Tube Integrity and Burst

Affiliations

Ligands Switch Model for Pollen-Tube Integrity and Burst

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