1
|
Mizuta Y, Sakakibara D, Nagahara S, Kaneshiro I, Nagae TT, Kurihara D, Higashiyama T. Deep imaging reveals dynamics and signaling in one-to-one pollen tube guidance. EMBO Rep 2024; 25:2529-2549. [PMID: 38773320 PMCID: PMC11169409 DOI: 10.1038/s44319-024-00151-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 04/09/2024] [Accepted: 04/18/2024] [Indexed: 05/23/2024] Open
Abstract
In the pistil of flowering plants, each ovule usually associates with a single pollen tube for fertilization. This one-to-one pollen tube guidance, which contributes to polyspermy blocking and efficient seed production, is largely different from animal chemotaxis of many sperms to one egg. However, the functional mechanisms underlying the directional cues and polytubey blocks in the depths of the pistil remain unknown. Here, we develop a two-photon live imaging method to directly observe pollen tube guidance in the pistil of Arabidopsis thaliana, clarifying signaling and cellular behaviors in the one-to-one guidance. Ovules are suggested to emit multiple signals for pollen tubes, including an integument-dependent directional signal that reaches the inner surface of the septum and adhesion signals for emerged pollen tubes on the septum. Not only FERONIA in the septum but ovular gametophytic FERONIA and LORELEI, as well as FERONIA- and LORELEI-independent repulsion signal, are involved in polytubey blocks on the ovular funiculus. However, these funicular blocks are not strictly maintained in the first 45 min, explaining previous reports of polyspermy in flowering plants.
Collapse
Affiliation(s)
- Yoko Mizuta
- Institute for Advanced Research (IAR), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, Japan.
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, Japan.
| | - Daigo Sakakibara
- Division of Biological Sciences, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8602, Japan
| | - Shiori Nagahara
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, Japan
| | - Ikuma Kaneshiro
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, Japan
- Department of Physics, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8602, Japan
- Research Center for Computational Science, Institute for Molecular Science, National Institutes of Natural Sciences, 38 Nishigo-Naka, Myodaiji, Okazaki, 444-8585, Japan
| | - Takuya T Nagae
- Division of Biological Sciences, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8602, Japan
| | - Daisuke Kurihara
- Institute for Advanced Research (IAR), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, Japan
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, Japan
| | - Tetsuya Higashiyama
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8601, Japan
- Division of Biological Sciences, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8602, Japan
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bukyo-ku, Tokyo, 113-0033, Japan
| |
Collapse
|
2
|
Meng JG, Li SZ, Li HJ. Central cell: the key to determine persistent pollen tube attraction or termination. SCIENCE CHINA. LIFE SCIENCES 2024:10.1007/s11427-023-2534-2. [PMID: 38733514 DOI: 10.1007/s11427-023-2534-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 01/25/2024] [Indexed: 05/13/2024]
Affiliation(s)
- Jiang-Guo Meng
- Center for Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, 400715, China
| | - Shi-Zhen Li
- Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- Center for Molecular Agrobiology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Hong-Ju Li
- Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
- Center for Molecular Agrobiology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
| |
Collapse
|
3
|
Xu YJ, Luo T, Zhou PM, Wang WQ, Yang WC, Li HJ. Pollen-expressed RLCKs control pollen tube burst. PLANT COMMUNICATIONS 2024:100934. [PMID: 38689493 DOI: 10.1016/j.xplc.2024.100934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 02/13/2024] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
In angiosperms, the pollen tube enters the receptive synergid cell, where it ruptures to release its cytoplasm along with two sperm cells. This interaction is complex, and the exact signal transducers that trigger the bursting of pollen tubes are not well understood. In this study, we identify three homologous receptor-like cytoplasmic kinases (RLCKs) expressed in pollen tubes of Arabidopsis, Delayed Burst 1/2/3 (DEB1/2/3), which play a crucial role in this process. These genes produce proteins localized on the plasma membrane, and their knockout causes delayed pollen tube burst and entrance of additional pollen tubes into the embryo sac due to fertilization recovery. We show that DEBs interact with the Ca2+ pump ACA9, influencing the dynamics of cytoplasmic Ca2+ in pollen tubes through phosphorylation. These results highlight the importance of DEBs as key signal transducers and the critical function of the DEB-ACA9 axis in timely pollen tube burst in synergids.
Collapse
Affiliation(s)
- Yin-Jiao Xu
- Center for Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Ting Luo
- Center for Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Peng-Min Zhou
- Center for Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Wei-Qi Wang
- Center for Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Wei-Cai Yang
- Center for Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Hong-Ju Li
- Center for Molecular Agrobiology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.
| |
Collapse
|
4
|
Zhong S, Zhao P, Peng X, Li HJ, Duan Q, Cheung AY. From gametes to zygote: Mechanistic advances and emerging possibilities in plant reproduction. PLANT PHYSIOLOGY 2024; 195:4-35. [PMID: 38431529 PMCID: PMC11060694 DOI: 10.1093/plphys/kiae125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/13/2024] [Accepted: 02/13/2024] [Indexed: 03/05/2024]
Affiliation(s)
- Sheng Zhong
- State Key Laboratory for Protein and Plant Gene Research, Peking-Tsinghua Center for Life Sciences, New Cornerstone Science Laboratory, College of Life Sciences, Peking University, Beijing 100871, China
| | - Peng Zhao
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Xiongbo Peng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Hong-Ju Li
- Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Center for Molecular Agrobiology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Qiaohong Duan
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, Shandong 271018, China
| | - Alice Y Cheung
- Department of Biochemistry and Molecular Biology, Molecular and Cellular Biology Program, Plant Biology Graduate Program, University of Massachusetts, Amherst, MA 01003, USA
| |
Collapse
|
5
|
Zhu L, Li F, Xie T, Li Z, Tian T, An X, Wei X, Long Y, Jiao Z, Wan X. Receptor-like kinases and their signaling cascades for plant male fertility: loyal messengers. THE NEW PHYTOLOGIST 2024; 241:1421-1434. [PMID: 38174365 DOI: 10.1111/nph.19527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024]
Abstract
Receptor-like kinases (RLKs) are evolved for plant cell-cell communications. The typical RLK protein contains an extracellular and hypervariable N-terminus to perceive various signals, a transmembrane domain to anchor into plasma membrane, and a cytoplasmic, highly conserved kinase domain to phosphorylate target proteins. To date, RLKs have manifested their significance in a myriad of biological processes during plant reproductive growth, especially in male fertility. This review first summarizes a recent update on RLKs and their interacting protein partners controlling anther and pollen development, pollen release from dehisced anther, and pollen function during pollination and fertilization. Then, regulatory networks of RLK signaling pathways are proposed. In addition, we predict RLKs in maize and rice genome, obtain homologs of well-studied RLKs from phylogeny of three subfamilies and then analyze their expression patterns in developing anthers of maize and rice to excavate potential RLKs regulating male fertility in crops. Finally, current challenges and future prospects regarding RLKs are discussed. This review will contribute to a better understanding of plant male fertility control by RLKs, creating potential male sterile lines, and inspiring innovative crop breeding methods.
Collapse
Affiliation(s)
- Lei Zhu
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
- Industry Research Institute of Biotechnology Breeding, Yili Normal University, Yining, 835000, China
| | - Fan Li
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
| | - Tianle Xie
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
| | - Ziwen Li
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
- Industry Research Institute of Biotechnology Breeding, Yili Normal University, Yining, 835000, China
| | - Tian Tian
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xueli An
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
- Industry Research Institute of Biotechnology Breeding, Yili Normal University, Yining, 835000, China
- Beijing Engineering Laboratory of Main Crop Bio-Tech Breeding, Beijing International Science and Technology Cooperation Base of Bio-Tech Breeding, Beijing Solidwill Sci-Tech Co. Ltd, Beijing, 100192, China
| | - Xun Wei
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
- Industry Research Institute of Biotechnology Breeding, Yili Normal University, Yining, 835000, China
- Beijing Engineering Laboratory of Main Crop Bio-Tech Breeding, Beijing International Science and Technology Cooperation Base of Bio-Tech Breeding, Beijing Solidwill Sci-Tech Co. Ltd, Beijing, 100192, China
| | - Yan Long
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
- Industry Research Institute of Biotechnology Breeding, Yili Normal University, Yining, 835000, China
- Beijing Engineering Laboratory of Main Crop Bio-Tech Breeding, Beijing International Science and Technology Cooperation Base of Bio-Tech Breeding, Beijing Solidwill Sci-Tech Co. Ltd, Beijing, 100192, China
| | - Ziwei Jiao
- Industry Research Institute of Biotechnology Breeding, Yili Normal University, Yining, 835000, China
| | - Xiangyuan Wan
- Research Institute of Biology and Agriculture, Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, University of Science and Technology Beijing, Beijing, 100083, China
- Industry Research Institute of Biotechnology Breeding, Yili Normal University, Yining, 835000, China
- Beijing Engineering Laboratory of Main Crop Bio-Tech Breeding, Beijing International Science and Technology Cooperation Base of Bio-Tech Breeding, Beijing Solidwill Sci-Tech Co. Ltd, Beijing, 100192, China
| |
Collapse
|
6
|
Dresselhaus T, van der Linde K. Plant reproduction: Fertilization SALvaged by the central cell. Curr Biol 2023; 33:R1013-R1015. [PMID: 37816321 DOI: 10.1016/j.cub.2023.08.078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
Flowering plants evolved glandular synergid cells assisting female gametes to attract pollen tubes carrying sperm cells. A recent study shows how central cells serve as a back-up to ensure pollen tube attraction and reproductive success in the absence of the assistants.
Collapse
Affiliation(s)
- Thomas Dresselhaus
- Cell Biology and Plant Biochemistry, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany.
| | - Karina van der Linde
- Cell Biology and Plant Biochemistry, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany.
| |
Collapse
|