1
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Peng Y, Ji K, Mao Y, Wang Y, Korbei B, Luschnig C, Shen J, Benková E, Friml J, Tan S. Polarly localized Bro1 domain proteins regulate PIN-FORMED abundance and root gravitropic growth in Arabidopsis. Commun Biol 2024; 7:1085. [PMID: 39232040 PMCID: PMC11374797 DOI: 10.1038/s42003-024-06747-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 08/18/2024] [Indexed: 09/06/2024] Open
Abstract
The developmental plasticity of the root system plays an essential role in the adaptation of plants to the environment. Among many other signals, auxin and its directional, intercellular transport are critical in regulating root growth and development. In particular, the PIN-FORMED2 (PIN2) auxin exporter acts as a key regulator of root gravitropic growth. Multiple regulators have been reported to be involved in PIN2-mediated root growth; however, our information remains incomplete. Here, we identified ROWY Bro1-domain proteins as important regulators of PIN2 sorting control. Genetic analysis revealed that Arabidopsis rowy1 single mutants and higher-order rowy1 rowy2 rowy3 triple mutants presented a wavy root growth phenotype. Cell biological experiments revealed that ROWY1 and PIN2 colocalized to the apical side of the plasma membrane in the root epidermis and that ROWYs are required for correct PM targeting of PIN2. In addition, ROWYs also affected PIN3 protein abundance in the stele, suggesting the potential involvement of additional PIN transporters as well as other proteins. A global transcriptome analysis revealed that ROWY genes are involved in the Fe2+ availability perception pathway. This work establishes ROWYs as important novel regulators of root gravitropic growth by connecting micronutrient availability to the proper subcellular targeting of PIN auxin transporters.
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Affiliation(s)
- Yakun Peng
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Hefei National Laboratory for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Kangkang Ji
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Hefei National Laboratory for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yanbo Mao
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Hefei National Laboratory for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yiqun Wang
- Institute of Science and Technology Austria (ISTA), Am Campus 1, Klosterneuburg, Austria
| | - Barbara Korbei
- Department of Applied Genetics and Cell Biology, Institute of Molecular Plant Biology, University of Natural Resources and Life Sciences, Vienna (BOKU), Muthgasse 18, Wien, Austria
| | - Christian Luschnig
- Department of Applied Genetics and Cell Biology, Institute of Molecular Plant Biology, University of Natural Resources and Life Sciences, Vienna (BOKU), Muthgasse 18, Wien, Austria
| | - Jinbo Shen
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China
| | - Eva Benková
- Institute of Science and Technology Austria (ISTA), Am Campus 1, Klosterneuburg, Austria
| | - Jiří Friml
- Institute of Science and Technology Austria (ISTA), Am Campus 1, Klosterneuburg, Austria
| | - Shutang Tan
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Hefei National Laboratory for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
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2
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de Roij M, Borst JW, Weijers D. Protein degradation in auxin response. THE PLANT CELL 2024; 36:3025-3035. [PMID: 38652687 PMCID: PMC11371164 DOI: 10.1093/plcell/koae125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 02/14/2024] [Accepted: 03/01/2024] [Indexed: 04/25/2024]
Abstract
The signaling molecule auxin sits at the nexus of plant biology where it coordinates essentially all growth and developmental processes. Auxin molecules are transported throughout plant tissues and are capable of evoking highly specific physiological responses by inducing various molecular pathways. In many of these pathways, proteolysis plays a crucial role for correct physiological responses. This review provides a chronology of the discovery and characterization of the auxin receptor, which is a fascinating example of separate research trajectories ultimately converging on the discovery of a core auxin signaling hub that relies on degradation of a family of transcriptional inhibitor proteins-the Aux/IAAs. Beyond describing the "classical" proteolysis-driven auxin response system, we explore more recent examples of the interconnection of proteolytic systems, which target a range of other auxin signaling proteins, and auxin response. By highlighting these emerging concepts, we provide potential future directions to further investigate the role of protein degradation within the framework of auxin response.
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Affiliation(s)
- Martijn de Roij
- Laboratory of Biochemistry, Wageningen University, Wageningen 6708WE, The Netherlands
| | - Jan Willem Borst
- Laboratory of Biochemistry, Wageningen University, Wageningen 6708WE, The Netherlands
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University, Wageningen 6708WE, The Netherlands
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3
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Li B, Zhou Q, Cai L, Li L, Xie C, Li D, Zhu F, Li X, Zhao X, Liu X, Shen L, Xu T, He C. TMK4-mediated FIP37 phosphorylation regulates auxin-triggered N 6-methyladenosine modification of auxin biosynthetic genes in Arabidopsis. Cell Rep 2024; 43:114597. [PMID: 39106180 DOI: 10.1016/j.celrep.2024.114597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 03/20/2024] [Accepted: 07/23/2024] [Indexed: 08/09/2024] Open
Abstract
The dynamics of N6-methyladenosine (m6A) mRNA modification are tightly controlled by the m6A methyltransferase complex and demethylases. Here, we find that auxin treatment alters m6A modification on auxin-responsive genes. Mechanically, TRANSMEMBRANE KINASE 4 (TMK4), a component of the auxin signaling pathway, interacts with and phosphorylates FKBP12-INTERACTING PROTEIN 37 (FIP37), a core component of the m6A methyltransferase complex, in an auxin-dependent manner. Phosphorylation of FIP37 enhances its interaction with RNA, thereby increasing m6A modification on its target genes, such as NITRILASE 1 (NIT1), a gene involved in indole-3-acetic acid (IAA) biosynthesis. 1-Naphthalacetic acid (NAA) treatment accelerates the mRNA decay of NIT1, in a TMK4- and FIP37-dependent manner, which leads to inhibition of auxin biosynthesis. Our findings identify a regulatory mechanism by which auxin modulates m6A modification through the phosphorylation of FIP37, ultimately affecting mRNA stability and auxin biosynthesis in plants.
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Affiliation(s)
- Bin Li
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China; State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha, Hunan 410082, China
| | - Qiting Zhou
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Linjun Cai
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Lan Li
- School of Pharmacy, Xiangnan University, Chenzhou, Hunan 423000, China
| | - Chong Xie
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Donghao Li
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Fan Zhu
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Xiushan Li
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Xiaoying Zhao
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Xuanming Liu
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China
| | - Lisha Shen
- Temasek Life Sciences Laboratory, National University of Singapore, Singapore 117604, Singapore
| | - Tongda Xu
- FAFU-Joint Center, Horticulture and Metabolic Biology Center, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Chongsheng He
- College of Biology, Hunan Key Laboratory of Plant Functional Genomics and Developmental Regulation, Hunan University, Changsha, Hunan 410082, China.
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4
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Zheng K, Lyu JC, Thomas EL, Schuster M, Sanguankiattichai N, Ninck S, Kaschani F, Kaiser M, van der Hoorn RAL. The proteome of Nicotiana benthamiana is shaped by extensive protein processing. THE NEW PHYTOLOGIST 2024; 243:1034-1049. [PMID: 38853453 DOI: 10.1111/nph.19891] [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: 02/12/2024] [Accepted: 04/29/2024] [Indexed: 06/11/2024]
Abstract
Processing by proteases irreversibly regulates the fate of plant proteins and hampers the production of recombinant proteins in plants, yet only few processing events have been described in agroinfiltrated Nicotiana benthamiana, which has emerged as the main transient protein expression platform in plant science and molecular pharming. Here, we used in-gel digests and mass spectrometry to monitor the migration and topography of 5040 plant proteins within a protein gel. By plotting the peptides over the gel slices, we generated peptographs that reveal where which part of each protein was detected within the protein gel. These data uncovered that 60% of the detected proteins have proteoforms that migrate at lower than predicted molecular weights, implicating extensive proteolytic processing. This analysis confirms the proteolytic removal and degradation of autoinhibitory prodomains of most but not all proteases, and revealed differential processing within pectinemethylesterase and lipase families. This analysis also uncovered intricate processing of glycosidases and uncovered that ectodomain shedding might be common for a diverse range of receptor-like kinases. Transient expression of double-tagged candidate proteins confirmed processing events in vivo. This large proteomic dataset implicates an elaborate proteolytic machinery shaping the proteome of N. benthamiana.
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Affiliation(s)
- Kaijie Zheng
- Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130102, China
- The Plant Chemetics Laboratory, Department of Biology, University of Oxford, Oxford, OX1 3RD, UK
| | - Joy C Lyu
- The Plant Chemetics Laboratory, Department of Biology, University of Oxford, Oxford, OX1 3RD, UK
| | - Emma L Thomas
- The Plant Chemetics Laboratory, Department of Biology, University of Oxford, Oxford, OX1 3RD, UK
| | - Mariana Schuster
- The Plant Chemetics Laboratory, Department of Biology, University of Oxford, Oxford, OX1 3RD, UK
| | | | - Sabrina Ninck
- Chemical Biology, Center of Medical Biotechnology (ZMB), Faculty of Biology, University of Duisburg-Essen, Essen, 45141, Germany
| | - Farnusch Kaschani
- Chemical Biology, Center of Medical Biotechnology (ZMB), Faculty of Biology, University of Duisburg-Essen, Essen, 45141, Germany
| | - Markus Kaiser
- Chemical Biology, Center of Medical Biotechnology (ZMB), Faculty of Biology, University of Duisburg-Essen, Essen, 45141, Germany
| | - Renier A L van der Hoorn
- The Plant Chemetics Laboratory, Department of Biology, University of Oxford, Oxford, OX1 3RD, UK
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5
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Zhao Z, Tu H, Wang Y, Yang J, Hao G, Wu J. Chemical Driving the Subtype Selectivity of Phytohormone Receptors Is Beneficial for Crop Productivity. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:16583-16593. [PMID: 39013833 DOI: 10.1021/acs.jafc.4c04446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
Chemicals that modulate phytohormones serve as a research tool in plant science and as products to improve crop productivity. Subtype selectivity refers to a ligand to selectively bind to specific subtypes of a receptor rather than binding to all possible subtypes indiscriminately. It allows for precise and specific control of cellular functions and is widely used in medicine. However, subtype selectivity is rarely mentioned in the realm of plant science, and it requires integrated knowledge from chemistry and biology, including structural features of small molecules as ligands, the redundancy of target proteins, and the response of signaling factors. Here, we present a comprehensive review and evaluation of phytohormone receptor subtype selectivity, leveraging the chemical characteristics of phytohormones and their analogues as clues. This work endeavors to provide a valuable research strategy that integrates knowledge from chemistry and biology to advance research efforts geared toward enhancing crop productivity.
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Affiliation(s)
- Zhichao Zhao
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Hong Tu
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Ya Wang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Jianrong Yang
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Gefei Hao
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
| | - Jian Wu
- State Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Center for R&D of Fine Chemicals of Guizhou University, Guiyang 550025, China
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6
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Jaiswal S, Tripathi DK, Wang Y, Singh VP, Gupta R. ABLs and transmembrane kinases shape extracellular auxin perception. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00180-8. [PMID: 39048470 DOI: 10.1016/j.tplants.2024.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 07/04/2024] [Accepted: 07/10/2024] [Indexed: 07/27/2024]
Abstract
Auxin is a key phytohormone, but the mechanism underlying apoplastic auxin perception has remained elusive. Yu et al. recently demonstrated that the interaction of two novel apoplast-localized auxin-binding protein 1 (ABP1)-like proteins, ABL1 and ABL2, with transmembrane kinases (TMKs) shapes extracellular auxin perception in both an overlapping and an ABP1-independent manner.
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Affiliation(s)
- Saumya Jaiswal
- Plant Physiology Laboratory, Department of Botany, Chaudhary Mahadeo Prasad (C.M.P.) Degree College, a Constituent Postgraduate College of the University of Allahabad, Prayagraj, Uttar Pradesh 211002, India
| | - Durgesh Kumar Tripathi
- Crop Nanobiology and Molecular Stress Physiology Laboratory, Amity Institute of Organic Agriculture, Amity University, Sector 125, Noida, Uttar Pradesh 201313, India
| | - Yiming Wang
- Department of Plant Pathology, Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing Agricultural University, Nanjing 210095, China
| | - Vijay Pratap Singh
- Plant Physiology Laboratory, Department of Botany, Chaudhary Mahadeo Prasad (C.M.P.) Degree College, a Constituent Postgraduate College of the University of Allahabad, Prayagraj, Uttar Pradesh 211002, India.
| | - Ravi Gupta
- College of General Education, Kookmin University, Seoul 02707, South Korea.
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7
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Sun Y, Yang Z, Zhang C, Xia J, Li Y, Liu X, Sun L, Tan S. Indole-3-propionic acid regulates lateral root development by targeting auxin signaling in Arabidopsis. iScience 2024; 27:110363. [PMID: 39071891 PMCID: PMC11278081 DOI: 10.1016/j.isci.2024.110363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/30/2024] [Accepted: 06/21/2024] [Indexed: 07/30/2024] Open
Abstract
Indole-3-propionic acid (IPA) is known to be a microbe-derived compound with a similar structure to the phytohormone auxin (indole-3-acetic acid, IAA). Previous studies reported that IPA exhibited auxin-like bioactivities in plants. However, the underlying molecular mechanism is not totally understood. Here, we revealed that IPA modulated lateral root (LR) development via auxin signaling in the model plant Arabidopsis thaliana. Genetic analysis indicated that deficiency of the TIR1/AFB-Aux/IAA-ARF auxin signaling pathway abolished the effects of IPA on regulating LR development. Further biochemical, transcriptomic profiling and cell biological analyses revealed that IPA directly bound to the TIR1/AFB-Aux/IAA coreceptor complex and thus activated downstream gene expression. Therefore, our work revealed that IPA is a potential signaling molecule that modulates plant growth and development by targeting the TIR1/AFB-Aux/IAA-mediated auxin signaling pathway, providing potential insights into root growth regulation in plants.
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Affiliation(s)
- Yue Sun
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Zhisen Yang
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Caoli Zhang
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Jing Xia
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Yawen Li
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Xin Liu
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Linfeng Sun
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Shutang Tan
- MOE Key Laboratory for Cellular Dynamics, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Molecular & Cell Biophysics, Hefei National Science Center for Physical Sciences at the Microscale, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
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8
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Tang W, Yu Y, Xu T. The interplay between extracellular and intracellular auxin signaling in plants. J Genet Genomics 2024:S1673-8527(24)00162-0. [PMID: 38969259 DOI: 10.1016/j.jgg.2024.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/19/2024] [Accepted: 06/26/2024] [Indexed: 07/07/2024]
Abstract
The phytohormone auxin exerts control over remarkable developmental processes in plants. It moves from cell to cell, resulting in the creation of both extracellular auxin and intracellular auxin, which are recognized by distinct auxin receptors. These two auxin signaling systems govern different auxin responses while working together to regulate plant development. In this review, we outline the latest research advancements in unraveling these auxin signaling pathways, encompassing auxin perception and signaling transductions. We emphasize the interaction between extracellular auxin and intracellular auxin, which contributes to the intricate role of auxin in plant development.
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Affiliation(s)
- Wenxin Tang
- Haixia Institute of Science and Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Yongqiang Yu
- Haixia Institute of Science and Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Tongda Xu
- Haixia Institute of Science and Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China.
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9
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Shang E, Wei K, Lv B, Zhang X, Lin X, Ding Z, Leng J, Tian H, Ding Z. VIK-Mediated Auxin Signaling Regulates Lateral Root Development in Arabidopsis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2402442. [PMID: 38958531 DOI: 10.1002/advs.202402442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 05/31/2024] [Indexed: 07/04/2024]
Abstract
The crucial role of TIR1-receptor-mediated gene transcription regulation in auxin signaling has long been established. In recent years, the significant role of protein phosphorylation modifications in auxin signal transduction has gradually emerged. To further elucidate the significant role of protein phosphorylation modifications in auxin signaling, a phosphoproteomic analysis in conjunction with auxin treatment has identified an auxin activated Mitogen-activated Protein Kinase Kinase Kinase (MAPKKK) VH1-INTERACTING Kinase (VIK), which plays an important role in auxin-induced lateral root (LR) development. In the vik mutant, auxin-induced LR development is significantly attenuated. Further investigations show that VIK interacts separately with the positive regulator of LR development, LATERAL ORGAN BOUNDARIES-DOMAIN18 (LBD18), and the negative regulator of LR emergence, Ethylene Responsive Factor 13 (ERF13). VIK directly phosphorylates and stabilizes the positive transcription factor LBD18 in LR formation. In the meantime, VIK directly phosphorylates the negative regulator ERF13 at Ser168 and Ser172 sites, causing its degradation and releasing the repression by ERF13 on LR emergence. In summary, VIK-mediated auxin signaling regulates LR development by enhancing the protein stability of LBD18 and inducing the degradation of ERF13, respectively.
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Affiliation(s)
- Erlei Shang
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
| | - Kaijing Wei
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
| | - Bingsheng Lv
- College of Horticulture, Qingdao Agricultural University, Qingdao, Shandong, 266109, China
| | - Xueli Zhang
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
| | - Xuefeng Lin
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
| | - Zhihui Ding
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
| | - Junchen Leng
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
| | - Huiyu Tian
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
| | - Zhaojun Ding
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong, 266237, China
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10
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González-García MP, Sáez A, Lanza M, Hoyos P, Bustillo-Avendaño E, Pacios LF, Gradillas A, Moreno-Risueno MA, Hernaiz MJ, del Pozo JC. Synthetically derived BiAux modulates auxin co-receptor activity to stimulate lateral root formation. PLANT PHYSIOLOGY 2024; 195:1694-1711. [PMID: 38378170 PMCID: PMC11142373 DOI: 10.1093/plphys/kiae090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 01/12/2024] [Accepted: 01/13/2024] [Indexed: 02/22/2024]
Abstract
The root system plays an essential role in plant growth and adaptation to the surrounding environment. The root clock periodically specifies lateral root prebranch sites (PBS), where a group of pericycle founder cells (FC) is primed to become lateral root founder cells and eventually give rise to lateral root primordia or lateral roots (LRs). This clock-driven organ formation process is tightly controlled by modulation of auxin content and signaling. Auxin perception entails the physical interaction of TRANSPORT INHIBITOR RESPONSE 1 (TIR1) or AUXIN SIGNALING F-BOX (AFBs) proteins with AUXIN/INDOLE-3-ACETIC ACID (Aux/IAA) repressors to form a co-receptor system. Despite the apparent simplicity, the understanding of how specific auxin co-receptors are assembled remains unclear. We identified the compound bis-methyl auxin conjugated with N-glucoside, or BiAux, in Arabidopsis (Arabidopsis thaliana) that specifically induces the formation of PBS and the emergence of LR, with a slight effect on root elongation. Docking analyses indicated that BiAux binds to F-box proteins, and we showed that BiAux function depends on TIR1 and AFB2 F-box proteins and AUXIN RESPONSE FACTOR 7 activity, which is involved in FC specification and LR formation. Finally, using a yeast (Saccharomyces cerevisiae) heterologous expression system, we showed that BiAux favors the assemblage of specific co-receptors subunits involved in LR formation and enhances AUXIN/INDOLE-3-ACETIC ACID 28 protein degradation. These results indicate that BiAux acts as an allosteric modulator of specific auxin co-receptors. Therefore, BiAux exerts a fine-tune regulation of auxin signaling aimed to the specific formation of LR among the many development processes regulated by auxin.
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Affiliation(s)
- Mary Paz González-García
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA/CSIC), Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus Montegancedo, 28223 Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), 28040 Madrid, Spain
| | - Angela Sáez
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA/CSIC), Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus Montegancedo, 28223 Pozuelo de Alarcón, Madrid, Spain
- Universidad Francisco de Vitoria, Facultad de Ciencias Experimentales, Edificio E., 28223 Pozuelo de Alarcón, Madrid, Spain
| | - Mónica Lanza
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA/CSIC), Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus Montegancedo, 28223 Pozuelo de Alarcón, Madrid, Spain
| | - Pilar Hoyos
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Estefano Bustillo-Avendaño
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA/CSIC), Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus Montegancedo, 28223 Pozuelo de Alarcón, Madrid, Spain
| | - Luis F Pacios
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA/CSIC), Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus Montegancedo, 28223 Pozuelo de Alarcón, Madrid, Spain
| | - Ana Gradillas
- Centro de Metabolómica y Bioanálisis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, Madrid, Spain
| | - Miguel A Moreno-Risueno
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA/CSIC), Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus Montegancedo, 28223 Pozuelo de Alarcón, Madrid, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), 28040 Madrid, Spain
| | - María José Hernaiz
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Juan C del Pozo
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA/CSIC), Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus Montegancedo, 28223 Pozuelo de Alarcón, Madrid, Spain
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11
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Cowling CL, Homayouni AL, Callwood JB, McReynolds MR, Khor J, Ke H, Draves MA, Dehesh K, Walley JW, Strader LC, Kelley DR. ZmPILS6 is an auxin efflux carrier required for maize root morphogenesis. Proc Natl Acad Sci U S A 2024; 121:e2313216121. [PMID: 38781209 PMCID: PMC11145266 DOI: 10.1073/pnas.2313216121] [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: 08/01/2023] [Accepted: 03/25/2024] [Indexed: 05/25/2024] Open
Abstract
Plant root systems play a pivotal role in plant physiology and exhibit diverse phenotypic traits. Understanding the genetic mechanisms governing root growth and development in model plants like maize is crucial for enhancing crop resilience to drought and nutrient limitations. This study focused on identifying and characterizing ZmPILS6, an annotated auxin efflux carrier, as a key regulator of various crown root traits in maize. ZmPILS6-modified roots displayed reduced network area and suppressed lateral root formation, which are desirable traits for the "steep, cheap, and deep" ideotype. The research revealed that ZmPILS6 localizes to the endoplasmic reticulum and plays a vital role in controlling the spatial distribution of indole-3-acetic acid (IAA or "auxin") in primary roots. The study also demonstrated that ZmPILS6 can actively efflux IAA when expressed in yeast. Furthermore, the loss of ZmPILS6 resulted in significant proteome remodeling in maize roots, particularly affecting hormone signaling pathways. To identify potential interacting partners of ZmPILS6, a weighted gene coexpression analysis was performed. Altogether, this research contributes to the growing knowledge of essential genetic determinants governing maize root morphogenesis, which is crucial for guiding agricultural improvement strategies.
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Affiliation(s)
- Craig L. Cowling
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA50011
| | | | - Jodi B. Callwood
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA50011
| | - Maxwell R. McReynolds
- Department of Plant Pathology, Entomology and Microbiology, Iowa State University, Ames, IA50011
| | - Jasper Khor
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA50011
| | - Haiyan Ke
- Botany and Plant Sciences Department, University of California, Riverside, CA92521
| | - Melissa A. Draves
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA50011
| | - Katayoon Dehesh
- Botany and Plant Sciences Department, University of California, Riverside, CA92521
| | - Justin W. Walley
- Department of Plant Pathology, Entomology and Microbiology, Iowa State University, Ames, IA50011
| | | | - Dior R. Kelley
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA50011
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12
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Cosgrove DJ. Structure and growth of plant cell walls. Nat Rev Mol Cell Biol 2024; 25:340-358. [PMID: 38102449 DOI: 10.1038/s41580-023-00691-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/15/2023] [Indexed: 12/17/2023]
Abstract
Plant cells build nanofibrillar walls that are central to plant growth, morphogenesis and mechanics. Starting from simple sugars, three groups of polysaccharides, namely, cellulose, hemicelluloses and pectins, with very different physical properties are assembled by the cell to make a strong yet extensible wall. This Review describes the physics of wall growth and its regulation by cellular processes such as cellulose production by cellulose synthase, modulation of wall pH by plasma membrane H+-ATPase, wall loosening by expansin and signalling by plant hormones such as auxin and brassinosteroid. In addition, this Review discusses the nuanced roles, properties and interactions of cellulose, matrix polysaccharides and cell wall proteins and describes how wall stress and wall loosening cooperatively result in cell wall growth.
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Affiliation(s)
- Daniel J Cosgrove
- Department of Biology, Pennsylvania State University, University Park, Pennsylvania, USA.
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13
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Murphy AS. Making connections with cell surface auxin signaling. MOLECULAR PLANT 2024; 17:522-524. [PMID: 38368508 DOI: 10.1016/j.molp.2024.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/14/2024] [Accepted: 02/14/2024] [Indexed: 02/19/2024]
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14
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Rong F, Lv Y, Deng P, Wu X, Zhang Y, Yue E, Shen Y, Muhammad S, Ni F, Bian H, Wei X, Zhou W, Hu P, Wu L. Switching action modes of miR408-5p mediates auxin signaling in rice. Nat Commun 2024; 15:2525. [PMID: 38514635 PMCID: PMC10958043 DOI: 10.1038/s41467-024-46765-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 03/07/2024] [Indexed: 03/23/2024] Open
Abstract
MicroRNAs (miRNAs) play fundamental roles in many developmental and physiological processes in eukaryotes. MiRNAs in plants generally regulate their targets via either mRNA cleavage or translation repression; however, which approach plays a major role and whether these two function modes can shift remains elusive. Here, we identify a miRNA, miR408-5p that regulates AUXIN/INDOLE ACETIC ACID 30 (IAA30), a critical repressor in the auxin pathway via switching action modes in rice. We find that miR408-5p usually inhibits IAA30 protein translation, but in a high auxin environment, it promotes the decay of IAA30 mRNA when it is overproduced. We further demonstrate that IDEAL PLANT ARCHITECTURE1 (IPA1), an SPL transcription factor regulated by miR156, mediates leaf inclination through association with miR408-5p precursor promoter. We finally show that the miR156-IPA1-miR408-5p-IAA30 module could be controlled by miR393, which silences auxin receptors. Together, our results define an alternative auxin transduction signaling pathway in rice that involves the switching of function modes by miR408-5p, which contributes to a better understanding of the action machinery as well as the cooperative network of miRNAs in plants.
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Affiliation(s)
- Fuxi Rong
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
- Hainan Yazhou Bay Seed Laboratory, Hainan Institute, Zhejiang University, Sanya, Hainan, 572000, China
| | - Yusong Lv
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
- Hainan Yazhou Bay Seed Laboratory, Hainan Institute, Zhejiang University, Sanya, Hainan, 572000, China
| | - Pingchuan Deng
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xia Wu
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Yaqi Zhang
- Hainan Yazhou Bay Seed Laboratory, Hainan Institute, Zhejiang University, Sanya, Hainan, 572000, China
| | - Erkui Yue
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Yuxin Shen
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Sajid Muhammad
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Fangrui Ni
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Hongwu Bian
- Institute of Genetics and Regenerative Biology, Key Laboratory for Cell and Gene Engineering of Zhejiang Province, College of Life Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Xiangjin Wei
- National Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou, Zhejiang, 310006, China
| | - Weijun Zhou
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Peisong Hu
- National Key Laboratory of Rice Biology, China National Center for Rice Improvement, China National Rice Research Institute, Hangzhou, Zhejiang, 310006, China
| | - Liang Wu
- National Key Laboratory of Rice Biology and Zhejiang Provincial Key Laboratory of Crop Germplasm Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, 310058, China.
- Hainan Yazhou Bay Seed Laboratory, Hainan Institute, Zhejiang University, Sanya, Hainan, 572000, China.
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15
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Pal S, Nare Z, Rao VA, Smith BO, Morrison I, Fitzgerald EA, Scott A, Bingham MJ, Pesnot T. Accelerating BRPF1b hit identification with BioPhysical and Active Learning Screening (BioPALS). ChemMedChem 2024; 19:e202300590. [PMID: 38372199 DOI: 10.1002/cmdc.202300590] [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: 10/29/2023] [Revised: 01/25/2024] [Accepted: 02/12/2024] [Indexed: 02/20/2024]
Abstract
We report the development of BioPhysical and Active Learning Screening (BioPALS); a rapid and versatile hit identification protocol combining AI-powered virtual screening with a GCI-driven biophysical confirmation workflow. Its application to the BRPF1b bromodomain afforded a range of novel micromolar binders with favorable ADMET properties. In addition to the excellent in silico/in vitro confirmation rate demonstrated with BRPF1b, binding kinetics were determined, and binding topologies predicted for all hits. BioPALS is a lean, data-rich, and standardized approach to hit identification applicable to a wide range of biological targets.
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Affiliation(s)
- Sandeep Pal
- Concept Life Sciences, Frith Knoll Road, Chapel-en-le-Frith, SK23 0PG, High Peak, UK
| | - Zandile Nare
- Concept Life Sciences, Frith Knoll Road, Chapel-en-le-Frith, SK23 0PG, High Peak, UK
| | - Vincenzo A Rao
- Concept Life Sciences, Frith Knoll Road, Chapel-en-le-Frith, SK23 0PG, High Peak, UK
| | - Brian O Smith
- University of Glasgow, School of Molecular Biosciences, College of Medical Veterinary and Life Sciences, G12 8QQ, Glasgow, UK
| | - Ian Morrison
- Concept Life Sciences, Frith Knoll Road, Chapel-en-le-Frith, SK23 0PG, High Peak, UK
| | | | - Andrew Scott
- Concept Life Sciences, Frith Knoll Road, Chapel-en-le-Frith, SK23 0PG, High Peak, UK
| | - Matilda J Bingham
- Concept Life Sciences, Frith Knoll Road, Chapel-en-le-Frith, SK23 0PG, High Peak, UK
| | - Thomas Pesnot
- Concept Life Sciences, Frith Knoll Road, Chapel-en-le-Frith, SK23 0PG, High Peak, UK
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16
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Wang P. Plant physiology: RAF kinases claim a conserved role in rapid auxin responses. Curr Biol 2024; 34:R204-R206. [PMID: 38471450 DOI: 10.1016/j.cub.2024.01.024] [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: 03/14/2024]
Abstract
A recent study spotlights B-RAF kinases as central mediators of rapid auxin responses across diverse plant species. Coupled with other current studies, this discovery illuminates the essential role of B-RAF kinases in orchestrating growth, stress responses, and various other biological processes in plants.
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Affiliation(s)
- Pengcheng Wang
- Institute of Advanced Biotechnology and School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China.
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17
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Cui X, Wang J, Li K, Lv B, Hou B, Ding Z. Protein post-translational modifications in auxin signaling. J Genet Genomics 2024; 51:279-291. [PMID: 37451336 DOI: 10.1016/j.jgg.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/05/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
Protein post-translational modifications (PTMs), such as ubiquitination, phosphorylation, and small ubiquitin-like modifier (SUMO)ylation, are crucial for regulating protein stability, activity, subcellular localization, and binding with cofactors. Such modifications remarkably increase the variety and complexity of proteomes, which are essential for regulating numerous cellular and physiological processes. The regulation of auxin signaling is finely tuned in time and space to guide various plant growth and development. Accumulating evidence indicates that PTMs play critical roles in auxin signaling regulations. Thus, a thorough and systematic review of the functions of PTMs in auxin signal transduction will improve our profound comprehension of the regulation mechanism of auxin signaling and auxin-mediated various processes. This review discusses the progress of protein ubiquitination, phosphorylation, histone acetylation and methylation, SUMOylation, and S-nitrosylation in the regulation of auxin signaling.
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Affiliation(s)
- Xiankui Cui
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong 266237, China
| | - Junxia Wang
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong 266237, China
| | - Ke Li
- Shandong Academy of Grape, Jinan, Shandong 250100, China
| | - Bingsheng Lv
- College of Horticulture, Qingdao Agricultural University, Qingdao, Shandong 266109, China.
| | - Bingkai Hou
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong 266237, China.
| | - Zhaojun Ding
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, School of Life Sciences, Shandong University, Qingdao, Shandong 266237, China.
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18
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Deinum EE, Jacobs B. Rho of Plants patterning: linking mathematical models and molecular diversity. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1274-1288. [PMID: 37962515 PMCID: PMC10901209 DOI: 10.1093/jxb/erad447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 11/08/2023] [Indexed: 11/15/2023]
Abstract
ROPs (Rho of Plants) are plant specific small GTPases involved in many membrane patterning processes and play important roles in the establishment and communication of cell polarity. These small GTPases can produce a wide variety of patterns, ranging from a single cluster in tip-growing root hairs and pollen tubes to an oriented stripe pattern controlling protoxylem cell wall deposition. For an understanding of what controls these various patterns, models are indispensable. Consequently, many modelling studies on small GTPase patterning exist, often focusing on yeast or animal cells. Multiple patterns occurring in plants, however, require the stable co-existence of multiple active ROP clusters, which does not occur with the most common yeast/animal models. The possibility of such patterns critically depends on the precise model formulation. Additionally, different small GTPases are usually treated interchangeably in models, even though plants possess two types of ROPs with distinct molecular properties, one of which is unique to plants. Furthermore, the shape and even the type of ROP patterns may be affected by the cortical cytoskeleton, and cortex composition and anisotropy differ dramatically between plants and animals. Here, we review insights into ROP patterning from modelling efforts across kingdoms, as well as some outstanding questions arising from these models and recent experimental findings.
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Affiliation(s)
- Eva E Deinum
- Mathematical and Statistical Methods (Biometris), Plant Science Group, Wageningen University, 6708 PB Wageningen, The Netherlands
| | - Bas Jacobs
- Mathematical and Statistical Methods (Biometris), Plant Science Group, Wageningen University, 6708 PB Wageningen, The Netherlands
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19
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Delesalle C, Vert G, Fujita S. The cell surface is the place to be for brassinosteroid perception and responses. NATURE PLANTS 2024; 10:206-218. [PMID: 38388723 DOI: 10.1038/s41477-024-01621-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 01/05/2024] [Indexed: 02/24/2024]
Abstract
Adjusting the microenvironment around the cell surface is critical to responding to external cues or endogenous signals and to maintaining cell activities. In plant cells, the plasma membrane is covered by the cell wall and scaffolded with cytoskeletal networks, which altogether compose the cell surface. It has long been known that these structures mutually interact, but the mechanisms that integrate the whole system are still obscure. Here we spotlight the brassinosteroid (BR) plant hormone receptor BRASSINOSTEROID INSENSITIVE1 (BRI1) since it represents an outstanding model for understanding cell surface signalling and regulation. We summarize how BRI1 activity and dynamics are controlled by plasma membrane components and their associated factors to fine-tune signalling. The downstream signals, in turn, manipulate cell surface structures by transcriptional and post-translational mechanisms. Moreover, the changes in these architectures impact BR signalling, resulting in a feedback loop formation. This Review discusses how BRI1 and BR signalling function as central hubs to integrate cell surface regulation.
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Affiliation(s)
- Charlotte Delesalle
- Plant Science Research Laboratory (LRSV), UMR5546 CNRS/Université Toulouse 3, Auzeville-Tolosane, France
| | - Grégory Vert
- Plant Science Research Laboratory (LRSV), UMR5546 CNRS/Université Toulouse 3, Auzeville-Tolosane, France
| | - Satoshi Fujita
- Plant Science Research Laboratory (LRSV), UMR5546 CNRS/Université Toulouse 3, Auzeville-Tolosane, France.
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20
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Kuhn A, Roosjen M, Mutte S, Dubey SM, Carrillo Carrasco VP, Boeren S, Monzer A, Koehorst J, Kohchi T, Nishihama R, Fendrych M, Sprakel J, Friml J, Weijers D. RAF-like protein kinases mediate a deeply conserved, rapid auxin response. Cell 2024; 187:130-148.e17. [PMID: 38128538 PMCID: PMC10783624 DOI: 10.1016/j.cell.2023.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 06/29/2023] [Accepted: 11/18/2023] [Indexed: 12/23/2023]
Abstract
The plant-signaling molecule auxin triggers fast and slow cellular responses across land plants and algae. The nuclear auxin pathway mediates gene expression and controls growth and development in land plants, but this pathway is absent from algal sister groups. Several components of rapid responses have been identified in Arabidopsis, but it is unknown if these are part of a conserved mechanism. We recently identified a fast, proteome-wide phosphorylation response to auxin. Here, we show that this response occurs across 5 land plant and algal species and converges on a core group of shared targets. We found conserved rapid physiological responses to auxin in the same species and identified rapidly accelerated fibrosarcoma (RAF)-like protein kinases as central mediators of auxin-triggered phosphorylation across species. Genetic analysis connects this kinase to both auxin-triggered protein phosphorylation and rapid cellular response, thus identifying an ancient mechanism for fast auxin responses in the green lineage.
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Affiliation(s)
- Andre Kuhn
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Mark Roosjen
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Sumanth Mutte
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Shiv Mani Dubey
- Department of Experimental Plant Biology, Charles University, Prague, Czech Republic
| | | | - Sjef Boeren
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Aline Monzer
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Jasper Koehorst
- Laboratory of Systems and Synthetic Biology, Wageningen University, Wageningen, the Netherlands
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Ryuichi Nishihama
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba, Japan
| | - Matyáš Fendrych
- Department of Experimental Plant Biology, Charles University, Prague, Czech Republic
| | - Joris Sprakel
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Jiří Friml
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands.
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21
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Guarini N, Saliba E, André B. Phosphoregulation of the yeast Pma1 H+-ATPase autoinhibitory domain involves the Ptk1/2 kinases and the Glc7 PP1 phosphatase and is under TORC1 control. PLoS Genet 2024; 20:e1011121. [PMID: 38227612 PMCID: PMC10817110 DOI: 10.1371/journal.pgen.1011121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 01/26/2024] [Accepted: 01/03/2024] [Indexed: 01/18/2024] Open
Abstract
Plasma membrane (PM) H+-ATPases of the P-type family are highly conserved in yeast, other fungi, and plants. Their main role is to establish an H+ gradient driving active transport of small ions and metabolites across the PM and providing the main component of the PM potential. Furthermore, in both yeast and plant cells, conditions have been described under which active H+-ATPases promote activation of TORC1, the rapamycin-sensitive kinase complex controlling cell growth. Fungal and plant PM H+-ATPases are self-inhibited by their respective cytosolic carboxyterminal tails unless this domain is phosphorylated at specific residues. In the yeast H+-ATPase Pma1, neutralization of this autoinhibitory domain depends mostly on phosphorylation of the adjacent Ser911 and Thr912 residues, but the kinase(s) and phosphatase(s) controlling this tandem phosphorylation remain unknown. In this study, we show that S911-T912 phosphorylation in Pma1 is mediated by the largely redundant Ptk1 and Ptk2 kinase paralogs. Dephosphorylation of S911-T912, as occurs under glucose starvation, is dependent on the Glc7 PP1 phosphatase. Furthermore, proper S911-T912 phosphorylation in Pma1 is required for optimal TORC1 activation upon H+ influx coupled amino-acid uptake. We finally show that TORC1 controls S911-T912 phosphorylation in a manner suggesting that activated TORC1 promotes feedback inhibition of Pma1. Our results shed important new light on phosphoregulation of the yeast Pma1 H+-ATPase and on its interconnections with TORC1.
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Affiliation(s)
- Nadia Guarini
- Molecular Physiology of the Cell, Université Libre de Bruxelles (ULB), Biopark, Gosselies, Belgium
| | - Elie Saliba
- Molecular Physiology of the Cell, Université Libre de Bruxelles (ULB), Biopark, Gosselies, Belgium
| | - Bruno André
- Molecular Physiology of the Cell, Université Libre de Bruxelles (ULB), Biopark, Gosselies, Belgium
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22
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Kuhn A, Weijers D. Distant cousins come to ABP1's rescue. SCIENCE CHINA. LIFE SCIENCES 2024; 67:219-220. [PMID: 38097890 DOI: 10.1007/s11427-023-2498-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 01/12/2024]
Affiliation(s)
- Andre Kuhn
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE, Wageningen, the Netherlands
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE, Wageningen, the Netherlands.
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23
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Yu Y, Tang W, Lin W, Li W, Zhou X, Li Y, Chen R, Zheng R, Qin G, Cao W, Pérez-Henríquez P, Huang R, Ma J, Qiu Q, Xu Z, Zou A, Lin J, Jiang L, Xu T, Yang Z. ABLs and TMKs are co-receptors for extracellular auxin. Cell 2023; 186:5457-5471.e17. [PMID: 37979582 PMCID: PMC10827329 DOI: 10.1016/j.cell.2023.10.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 09/03/2023] [Accepted: 10/18/2023] [Indexed: 11/20/2023]
Abstract
Extracellular perception of auxin, an essential phytohormone in plants, has been debated for decades. Auxin-binding protein 1 (ABP1) physically interacts with quintessential transmembrane kinases (TMKs) and was proposed to act as an extracellular auxin receptor, but its role was disputed because abp1 knockout mutants lack obvious morphological phenotypes. Here, we identified two new auxin-binding proteins, ABL1 and ABL2, that are localized to the apoplast and directly interact with the extracellular domain of TMKs in an auxin-dependent manner. Furthermore, functionally redundant ABL1 and ABL2 genetically interact with TMKs and exhibit functions that overlap with those of ABP1 as well as being independent of ABP1. Importantly, the extracellular domain of TMK1 itself binds auxin and synergizes with either ABP1 or ABL1 in auxin binding. Thus, our findings discovered auxin receptors ABL1 and ABL2 having functions overlapping with but distinct from ABP1 and acting together with TMKs as co-receptors for extracellular auxin.
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Affiliation(s)
- Yongqiang Yu
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China; Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 201602, P.R. China
| | - Wenxin Tang
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Wenwei Lin
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Wei Li
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China; College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, P.R. China
| | - Xiang Zhou
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China; Faculty of Synthetic Biology, Shenzhen Institute of Advanced Technology, Shenzhen, Guangdong 518055, P.R. China; Key Laboratory of Quantitative Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, P.R. China
| | - Ying Li
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Rong Chen
- Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 201602, P.R. China
| | - Rui Zheng
- Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 201602, P.R. China
| | - Guochen Qin
- Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 201602, P.R. China; Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agricultural Sciences at Weifang, Weifang, Shandong 261000, P.R. China
| | - Wenhan Cao
- School of Life Sciences, Centre for Cell and Developmental Biology and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong, P.R. China
| | - Patricio Pérez-Henríquez
- Institute of Integrative Genome Biology, and Department of Botany and Plant Sciences, University of California-Riverside, Riverside, CA 92507, USA
| | - Rongfeng Huang
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Jun Ma
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Qiqi Qiu
- College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Ziwei Xu
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Ailing Zou
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Juncheng Lin
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China
| | - Liwen Jiang
- School of Life Sciences, Centre for Cell and Developmental Biology and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong, P.R. China
| | - Tongda Xu
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China; Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 201602, P.R. China.
| | - Zhenbiao Yang
- Haixia Institute of Science and Technology, School of Future Technology, and College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, P.R. China; Faculty of Synthetic Biology, Shenzhen Institute of Advanced Technology, Shenzhen, Guangdong 518055, P.R. China; Key Laboratory of Quantitative Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, P.R. China; Institute of Integrative Genome Biology, and Department of Botany and Plant Sciences, University of California-Riverside, Riverside, CA 92507, USA.
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24
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Murphy AS, Jones AM. Found: The missing discriminators of cell-surface auxin receptors. Cell 2023; 186:5438-5439. [PMID: 38065077 DOI: 10.1016/j.cell.2023.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 12/18/2023]
Abstract
An Arabidopsis cell-surface auxin receptor that mediates rapid elongation consists of transmembrane kinases (TMKs) and an auxin-binding co-receptor. Auxin-binding protein 1 (ABP1) is one identified TMK co-receptor, but abp1 mutants have no elongation phenotypes. Yu et al. use structural analysis of the ABP1-binding pocket to identify functional ABP1-like (ABL) TMK co-receptors that regulate rapid growth.
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Affiliation(s)
- Angus S Murphy
- Department of Plant Science and Landscape Architecture at the University of Maryland, College Park, MD 20742, USA.
| | - Alan M Jones
- Departments of Biology and Pharmacology at The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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25
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Smith ES, Nimchuk ZL. What a tangled web it weaves: auxin coordination of stem cell maintenance and flower production. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6950-6963. [PMID: 37661937 PMCID: PMC10690728 DOI: 10.1093/jxb/erad340] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 08/25/2023] [Indexed: 09/05/2023]
Abstract
Robust agricultural yields require consistent flower production throughout fluctuating environmental conditions. Floral primordia are produced in the inflorescence meristem, which contains a pool of continuously dividing stem cells. Daughter cells of these divisions either retain stem cell identity or are pushed to the SAM periphery, where they become competent to develop into floral primordia after receiving the appropriate signal. Thus, flower production is inherently linked to regulation of the stem cell pool. The plant hormone auxin promotes flower development throughout its early phases and has been shown to interact with the molecular pathways regulating stem cell maintenance. Here, we will summarize how auxin signaling contributes to stem cell maintenance and promotes flower development through the early phases of initiation, outgrowth, and floral fate establishment. Recent advances in this area suggest that auxin may serve as a signal that integrates stem cell maintenance and new flower production.
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Affiliation(s)
- Elizabeth Sarkel Smith
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Zachary L Nimchuk
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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26
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Zeng Y, Verstraeten I, Trinh HK, Lardon R, Schotte S, Olatunji D, Heugebaert T, Stevens C, Quareshy M, Napier R, Nastasi SP, Costa A, De Rybel B, Bellini C, Beeckman T, Vanneste S, Geelen D. Chemical induction of hypocotyl rooting reveals extensive conservation of auxin signalling controlling lateral and adventitious root formation. THE NEW PHYTOLOGIST 2023; 240:1883-1899. [PMID: 37787103 DOI: 10.1111/nph.19292] [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: 04/27/2023] [Accepted: 08/19/2023] [Indexed: 10/04/2023]
Abstract
Upon exposure to light, etiolated Arabidopsis seedlings form adventitious roots (AR) along the hypocotyl. While processes underlying lateral root formation are studied intensively, comparatively little is known about the molecular processes involved in the initiation of hypocotyl AR. AR and LR formation were studied using a small molecule named Hypocotyl Specific Adventitious Root INducer (HYSPARIN) that strongly induces AR but not LR formation. HYSPARIN does not trigger rapid DR5-reporter activation, DII-Venus degradation or Ca2+ signalling. Transcriptome analysis, auxin signalling reporter lines and mutants show that HYSPARIN AR induction involves nuclear TIR1/AFB and plasma membrane TMK auxin signalling, as well as multiple downstream LR development genes (SHY2/IAA3, PUCHI, MAKR4 and GATA23). Comparison of the AR and LR induction transcriptome identified SAURs, AGC kinases and OFP transcription factors as specifically upregulated by HYSPARIN. Members of the SAUR19 subfamily, OFP4 and AGC2 suppress HYS-induced AR formation. While SAUR19 and OFP subfamily members also mildly modulate LR formation, AGC2 regulates only AR induction. Analysis of HYSPARIN-induced AR formation uncovers an evolutionary conservation of auxin signalling controlling LR and AR induction in Arabidopsis seedlings and identifies SAUR19, OFP4 and AGC2 kinase as novel regulators of AR formation.
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Affiliation(s)
- Yinwei Zeng
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
| | - Inge Verstraeten
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
| | - Hoang Khai Trinh
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
- Institute of Food and Biotechnology, Can Tho University, 900000, Can Tho City, Vietnam
| | - Robin Lardon
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
| | - Sebastien Schotte
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
| | - Damilola Olatunji
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
| | - Thomas Heugebaert
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Christian Stevens
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Mussa Quareshy
- School of Life Sciences, University of Warwick, Coventry, CV4 7AL, UK
| | - Richard Napier
- School of Life Sciences, University of Warwick, Coventry, CV4 7AL, UK
| | - Sara Paola Nastasi
- Department of Biosciences, University of Milan, via Celoria 26, 20133, Milan, Italy
| | - Alex Costa
- Department of Biosciences, University of Milan, via Celoria 26, 20133, Milan, Italy
- Institute of Biophysics, National Research Council of Italy (CNR), 20133, Milan, Italy
| | - Bert De Rybel
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 71, 9052, Ghent, Belgium
- VIB Centre for Plant Systems Biology, Technologiepark 71, 9052, Ghent, Belgium
| | - Catherine Bellini
- Department of Plant Physiology, Umeå Plant Science Centre, Umeå University, SE-90736, Umeå, Sweden
- Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), 78000, Versailles, France
| | - Tom Beeckman
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 71, 9052, Ghent, Belgium
- VIB Centre for Plant Systems Biology, Technologiepark 71, 9052, Ghent, Belgium
| | - Steffen Vanneste
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
| | - Danny Geelen
- Horticell, Department Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000, Ghent, Belgium
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27
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Jobert F, Yadav S, Robert S. Auxin as an architect of the pectin matrix. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6933-6949. [PMID: 37166384 PMCID: PMC10690733 DOI: 10.1093/jxb/erad174] [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: 03/10/2023] [Accepted: 05/10/2023] [Indexed: 05/12/2023]
Abstract
Auxin is a versatile plant growth regulator that triggers multiple signalling pathways at different spatial and temporal resolutions. A plant cell is surrounded by the cell wall, a complex and dynamic network of polysaccharides. The cell wall needs to be rigid to provide mechanical support and protection and highly flexible to allow cell growth and shape acquisition. The modification of the pectin components, among other processes, is a mechanism by which auxin activity alters the mechanical properties of the cell wall. Auxin signalling precisely controls the transcriptional output of several genes encoding pectin remodelling enzymes, their local activity, pectin deposition, and modulation in different developmental contexts. This review examines the mechanism of auxin activity in regulating pectin chemistry at organ, cellular, and subcellular levels across diverse plant species. Moreover, we ask questions that remain to be addressed to fully understand the interplay between auxin and pectin in plant growth and development.
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Affiliation(s)
- François Jobert
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences (SLU), 90183, Umeå, Sweden
- CRRBM, Université de Picardie Jules Verne, 80000, Amiens, France
| | - Sandeep Yadav
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences (SLU), 90183, Umeå, Sweden
| | - Stéphanie Robert
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences (SLU), 90183, Umeå, Sweden
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28
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Del Bianco M, Friml J, Strader L, Kepinski S. Auxin research: creating tools for a greener future. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6889-6892. [PMID: 38038239 PMCID: PMC10690723 DOI: 10.1093/jxb/erad420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Affiliation(s)
| | - Jiří Friml
- Institute of Science and Technology Austria (ISTA), Klosterneuburg, Austria
| | - Lucia Strader
- Department of Biology, Duke University, Durham, NC, USA
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29
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Xia J, Kong M, Yang Z, Sun L, Peng Y, Mao Y, Wei H, Ying W, Gao Y, Friml J, Weng J, Liu X, Sun L, Tan S. Chemical inhibition of Arabidopsis PIN-FORMED auxin transporters by the anti-inflammatory drug naproxen. PLANT COMMUNICATIONS 2023; 4:100632. [PMID: 37254481 PMCID: PMC10721474 DOI: 10.1016/j.xplc.2023.100632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/12/2023] [Accepted: 05/24/2023] [Indexed: 06/01/2023]
Abstract
The phytohormone auxin plays central roles in many growth and developmental processes in plants. Development of chemical tools targeting the auxin pathway is useful for both plant biology and agriculture. Here we reveal that naproxen, a synthetic compound with anti-inflammatory activity in humans, acts as an auxin transport inhibitor targeting PIN-FORMED (PIN) transporters in plants. Physiological experiments indicate that exogenous naproxen treatment affects pleiotropic auxin-regulated developmental processes. Additional cellular and biochemical evidence indicates that naproxen suppresses auxin transport, specifically PIN-mediated auxin efflux. Moreover, biochemical and structural analyses confirm that naproxen binds directly to PIN1 protein via the same binding cavity as the indole-3-acetic acid substrate. Thus, by combining cellular, biochemical, and structural approaches, this study clearly establishes that naproxen is a PIN inhibitor and elucidates the underlying mechanisms. Further use of this compound may advance our understanding of the molecular mechanisms of PIN-mediated auxin transport and expand our toolkit in auxin biology and agriculture.
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Affiliation(s)
- Jing Xia
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Mengjuan Kong
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Zhisen Yang
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Lianghanxiao Sun
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Yakun Peng
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Yanbo Mao
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Hong Wei
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Wei Ying
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Yongxiang Gao
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China
| | - Jiří Friml
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Jianping Weng
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China.
| | - Xin Liu
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China.
| | - Linfeng Sun
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China.
| | - Shutang Tan
- MOE Key Laboratory for Cellular Dynamics, Hefei National Laboratory for Physical Sciences at the Microscale, The First Affiliated Hospital of USTC, Biomedical Sciences and Health Laboratory of Anhui Province, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China; Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, China.
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30
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Liu L, Niu L, Ji K, Wang Y, Zhang C, Pan M, Wang W, Schiefelbein J, Yu F, An L. AXR1 modulates trichome morphogenesis through mediating ROP2 stability in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 116:756-772. [PMID: 37516999 DOI: 10.1111/tpj.16403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 07/09/2023] [Accepted: 07/17/2023] [Indexed: 08/01/2023]
Abstract
Cell differentiation and morphogenesis are crucial for the establishment of diverse cell types and organs in multicellular organisms. Trichome cells offer an excellent paradigm for dissecting the regulatory mechanisms of plant cell differentiation and morphogenesis due to their unique growth characteristics. Here, we report the isolation of an Arabidopsis mutant, aberrantly branched trichome 3-1 (abt3-1), with a reduced trichome branching phenotype. Positional cloning and molecular complementation experiments confirmed that abt3-1 is a new mutant allele of Auxin resistant 1 (AXR1), which encodes the N-terminal half of ubiquitin-activating enzyme E1 and functions in auxin signaling pathway. Meanwhile, we found that transgenic plants expressing constitutively active version of ROP2 (CA-ROP2) caused a reduction of trichome branches, resembling that of abt3-1. ROP2 is a member of Rho GTPase of plants (ROP) family, serving as versatile signaling switches involved in a range of cellular and developmental processes. Our genetic and biochemical analyses showed AXR1 genetically interacted with ROP2 and mediated ROP2 protein stability. The loss of AXR1 aggravated the trichome defects of CA-ROP2 and induced the accumulation of steady-state ROP2. Consistently, elevated AXR1 expression levels suppressed ROP2 expression and partially rescued trichome branching defects in CA-ROP2 plants. Together, our results presented a new mutant allele of AXR1, uncovered the effects of AXR1 and ROP2 during trichome development, and revealed a pathway of ROP2-mediated regulation of plant cell morphogenesis in Arabidopsis.
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Affiliation(s)
- Lu Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Linyu Niu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Ke Ji
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yali Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Chi Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Mi Pan
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Wenjia Wang
- CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - John Schiefelbein
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, Michigan, 48109, USA
| | - Fei Yu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Lijun An
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
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31
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Ricci A, Polverini E, Bruno S, Dramis L, Ceresini D, Scarano A, Diaz-Sala C. New Insights into the Enhancement of Adventitious Root Formation Using N,N'-Bis(2,3-methylenedioxyphenyl)urea. PLANTS (BASEL, SWITZERLAND) 2023; 12:3610. [PMID: 37896073 PMCID: PMC10610038 DOI: 10.3390/plants12203610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023]
Abstract
Adventitious rooting is a process of postembryonic organogenesis strongly affected by endogenous and exogenous factors. Although adventitious rooting has been exploited in vegetative propagation programs for many plant species, it is a bottleneck for vegetative multiplication of difficult-to-root species, such as many woody species. The purpose of this research was to understand how N,N'-bis-(2,3-methylenedioxyphenyl)urea could exert its already reported adventitious rooting adjuvant activity, starting from the widely accepted knowledge that adventitious rooting is a hormonally tuned progressive process. Here, by using specific in vitro bioassays, histological analyses, molecular docking simulations and in vitro enzymatic bioassays, we have demonstrated that this urea derivative does not interfere with polar auxin transport; it inhibits cytokinin oxidase/dehydrogenase (CKX); and, possibly, it interacts with the apoplastic portion of the auxin receptor ABP1. As a consequence of this dual binding capacity, the lifespan of endogenous cytokinins could be locally increased and, at the same time, auxin signaling could be favored. This combination of effects could lead to a cell fate transition, which, in turn, could result in increased adventitious rooting.
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Affiliation(s)
- Ada Ricci
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy
| | - Eugenia Polverini
- Dipartimento di Scienze Matematiche, Fisiche e Informatiche, Università di Parma, Parco Area delle Scienze 7/A, 43124 Parma, Italy
| | - Stefano Bruno
- Dipartimento di Scienze degli Alimenti e del Farmaco, Università di Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Lucia Dramis
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy
| | - Daniela Ceresini
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 11/A, 43124 Parma, Italy
| | - Antonio Scarano
- Dipartimento di Scienze degli Alimenti e del Farmaco, Università di Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Carmen Diaz-Sala
- Departamento de Ciencias de la Vida, Universidad de Alcalá, 28871 Alcalá de Henares, Spain
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32
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Brooks CJ, Atamian HS, Harmer SL. Multiple light signaling pathways control solar tracking in sunflowers. PLoS Biol 2023; 21:e3002344. [PMID: 37906610 PMCID: PMC10617704 DOI: 10.1371/journal.pbio.3002344] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 09/21/2023] [Indexed: 11/02/2023] Open
Abstract
Sunflowers are famous for their ability to track the sun throughout the day and then reorient at night to face east the following morning. This occurs by differential growth patterns, with the east sides of stems growing more during the day and the west sides of stems growing more at night. This process, termed heliotropism, is generally believed to be a specialized form of phototropism; however, the underlying mechanism is unknown. To better understand heliotropism, we compared gene expression patterns in plants undergoing phototropism in a controlled environment and in plants initiating and maintaining heliotropic growth in the field. We found the expected transcriptome signatures of phototropin-mediated phototropism in sunflower stems bending towards monochromatic blue light. Surprisingly, the expression patterns of these phototropism-regulated genes are quite different in heliotropic plants. Most genes rapidly induced during phototropism display only minor differences in expression across solar tracking stems. However, some genes that are both rapidly induced during phototropism and are implicated in growth responses to foliar shade are rapidly induced on the west sides of stems at the onset of heliotropism, suggesting a possible role for red light photoreceptors in solar tracking. To test the involvement of different photoreceptor signaling pathways in heliotropism, we modulated the light environment of plants initiating solar tracking. We found that depletion of either red and far-red light or blue light did not hinder the initiation or maintenance of heliotropism in the field. Together, our results suggest that the transcriptional regulation of heliotropism is distinct from phototropin-mediated phototropism and likely involves inputs from multiple light signaling pathways.
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Affiliation(s)
- Christopher J. Brooks
- Department of Plant Biology, University of California, Davis, Davis, California, United States of America
| | - Hagop S. Atamian
- Department of Plant Biology, University of California, Davis, Davis, California, United States of America
- Schmid College of Science and Technology, Chapman University, Orange, California, United States of America
| | - Stacey L. Harmer
- Department of Plant Biology, University of California, Davis, Davis, California, United States of America
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Fiedler L, Friml J. Rapid auxin signaling: Unknowns old and new. CURRENT OPINION IN PLANT BIOLOGY 2023; 75:102443. [PMID: 37666097 DOI: 10.1016/j.pbi.2023.102443] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 09/06/2023]
Abstract
To respond to auxin, the chief orchestrator of their multicellularity, plants evolved multiple receptor systems and signal transduction cascades. Despite decades of research, however, we are still lacking a satisfactory synthesis of various auxin signaling mechanisms. The chief discrepancy and historical controversy of the field is that of rapid and slow auxin effects on plant physiology and development. How is it possible that ions begin to trickle across the plasma membrane as soon as auxin enters the cell, even though the best-characterized transcriptional auxin pathway can take effect only after tens of minutes? Recently, unexpected progress has been made in understanding this and other unknowns of auxin signaling. We provide a perspective on these exciting developments and concepts whose general applicability might have ramifications beyond auxin signaling.
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Affiliation(s)
- Lukáš Fiedler
- Institute of Science and Technology Austria (ISTA), 3400, Klosterneuburg, Austria
| | - Jiří Friml
- Institute of Science and Technology Austria (ISTA), 3400, Klosterneuburg, Austria.
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34
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Zhao M, Zhang Q, Liu H, Tang S, Shang C, Zhang W, Sui Y, Zhang Y, Zheng C, Zhang H, Liu C, Chu J, Jia G, Wang H, Liu X, An D, Zhu F, Zhi H, Wu C, Diao X. The osmotic stress-activated receptor-like kinase DPY1 mediates SnRK2 kinase activation and drought tolerance in Setaria. THE PLANT CELL 2023; 35:3782-3808. [PMID: 37462269 PMCID: PMC10533336 DOI: 10.1093/plcell/koad200] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 06/25/2023] [Indexed: 09/29/2023]
Abstract
Plant genomes encode many receptor-like kinases (RLKs) that localize to the cell surface and perceive a wide variety of environmental cues to initiate downstream signaling cascades. Whether these RLKs participate in dehydration stress signaling in plants is largely unknown. DROOPY LEAF1 (DPY1), a leucine-rich repeat (LRR)-RLK, was recently shown to regulate plant architecture by orchestrating early brassinosteroid signaling in foxtail millet (Setaria italica). Here, we show that DPY1 is essential for the acclimation of foxtail millet to drought stress. DPY1 can be phosphorylated and activated in response to osmotic stress and is required for more than half of osmotic stress-induced global phosphorylation events, including the phosphorylation of sucrose nonfermenting kinase 2s (SnRK2s), the central kinases involved in osmotic stress. DPY1 acts upstream of STRESS-ACTIVATED PROTEIN KINASE 6 (SAPK6, a subclass I SnRK2) and is required for full SAPK6 activation, thereby allowing regulation of downstream genes to mount a response against drought stress. These signaling events are largely independent of DPY1-mediated brassinosteroid signaling. The DPY1-SAPK6 module is specific to seed plants and is absent in ancestral nonseed plants. Our findings reveal a dehydration stress-activated RLK that plays an indispensable role in osmotic stress signaling and mediates SnRK2 activation at the cell surface.
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Affiliation(s)
- Meicheng Zhao
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Qi Zhang
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Hong Liu
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Sha Tang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Chunyue Shang
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Taiyuan 030031, China
| | - Wei Zhang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yi Sui
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yuxue Zhang
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Chunyan Zheng
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Hui Zhang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Cuimei Liu
- National Centre for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jinfang Chu
- National Centre for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guanqing Jia
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Haigang Wang
- Center for Agricultural Genetic Resources Research, Shanxi Agricultural University, Taiyuan 030031, China
| | - Xigang Liu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
- Hebei Collaboration Innovation Center for Cell Signaling, Hebei Normal University, Shijiazhuang 050024, China
| | - Diaoguo An
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Feng Zhu
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang 050021, China
| | - Hui Zhi
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Chuanyin Wu
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xianmin Diao
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Hebei Collaboration Innovation Center for Cell Signaling, Hebei Normal University, Shijiazhuang 050024, China
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35
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Scarpella E. Axes and polarities in leaf vein formation. PLANT PHYSIOLOGY 2023; 193:112-124. [PMID: 37261944 DOI: 10.1093/plphys/kiad321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/21/2023] [Accepted: 05/04/2023] [Indexed: 06/03/2023]
Abstract
For multicellular organisms to develop, cells must grow, divide, and differentiate along preferential or exclusive orientations or directions. Moreover, those orientations, or axes, and directions, or polarities, must be coordinated between cells within and between tissues. Therefore, how axes and polarities are coordinated between cells is a key question in biology. In animals, such coordination mainly depends on cell migration and direct interaction between proteins protruding from the plasma membrane. Both cell movements and direct cell-cell interactions are prevented in plants by cell walls that surround plant cells and keep them apart and in place. Therefore, plants have evolved unique mechanisms to coordinate their cell axes and polarities. Here I will discuss evidence suggesting that understanding how leaf veins form may uncover those unique mechanisms. Indeed, unlike previously thought, the cell-to-cell polar transport of the plant hormone auxin along developing veins cannot account for many features of vein patterning. Instead, those features can be accounted for by models of vein patterning that combine polar auxin transport with auxin diffusion through plasmodesmata along the axis of developing veins. Though it remains unclear whether such a combination of polar transport and axial diffusion of auxin can account for the formation of the variety of vein patterns found in plant leaves, evidence suggests that such a combined mechanism may control plant developmental processes beyond vein patterning.
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Affiliation(s)
- Enrico Scarpella
- Department of Biological Sciences, University of Alberta, CW-405 Biological Sciences Building, Edmonton, AB T6G 2E9, Canada
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36
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Pan X, Pérez-Henríquez P, Van Norman JM, Yang Z. Membrane nanodomains: Dynamic nanobuilding blocks of polarized cell growth. PLANT PHYSIOLOGY 2023; 193:83-97. [PMID: 37194569 DOI: 10.1093/plphys/kiad288] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/03/2023] [Accepted: 05/03/2023] [Indexed: 05/18/2023]
Abstract
Cell polarity is intimately linked to numerous biological processes, such as oriented plant cell division, particular asymmetric division, cell differentiation, cell and tissue morphogenesis, and transport of hormones and nutrients. Cell polarity is typically initiated by a polarizing cue that regulates the spatiotemporal dynamic of polarity molecules, leading to the establishment and maintenance of polar domains at the plasma membrane. Despite considerable progress in identifying key polarity regulators in plants, the molecular and cellular mechanisms underlying cell polarity formation have yet to be fully elucidated. Recent work suggests a critical role for membrane protein/lipid nanodomains in polarized morphogenesis in plants. One outstanding question is how the spatiotemporal dynamics of signaling nanodomains are controlled to achieve robust cell polarization. In this review, we first summarize the current state of knowledge on potential regulatory mechanisms of nanodomain dynamics, with a special focus on Rho-like GTPases from plants. We then discuss the pavement cell system as an example of how cells may integrate multiple signals and nanodomain-involved feedback mechanisms to achieve robust polarity. A mechanistic understanding of nanodomains' roles in plant cell polarity is still in the early stages and will remain an exciting area for future investigations.
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Affiliation(s)
- Xue Pan
- Department of Biological Sciences, University of Toronto-Scarborough, Toronto, ON M1C 1A4, Canada
| | - Patricio Pérez-Henríquez
- Center for Plant Cell Biology, Institute of Integrative Genome Biology and Department of Botany and Plant Sciences, University of California at Riverside, Riverside, CA 92521, USA
| | - Jaimie M Van Norman
- Center for Plant Cell Biology, Institute of Integrative Genome Biology and Department of Botany and Plant Sciences, University of California at Riverside, Riverside, CA 92521, USA
| | - Zhenbiao Yang
- Center for Plant Cell Biology, Institute of Integrative Genome Biology and Department of Botany and Plant Sciences, University of California at Riverside, Riverside, CA 92521, USA
- Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong Province 518055, China
- FAFU-UCR Joint Center for Horticultural Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou, Fujian Province 350002, China
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37
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Liang J, Wu Z, Zhang X, Du X, Wang S, Yang Y, Wang Y, Wang Y, Yang H. Study on the Interactions of Cyclins with CDKs Involved in Auxin Signal during Leaf Development by WGCNA in Populus alba. Int J Mol Sci 2023; 24:13445. [PMID: 37686248 PMCID: PMC10487486 DOI: 10.3390/ijms241713445] [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: 06/30/2023] [Revised: 08/23/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Cell division plays an indispensable role in leaf morphogenesis, which is regulated via the complexes formed by cyclin and cyclin-dependent kinase (CDK). In this study, gene family analysis, exogenous auxin stimulation, RNA-seq and WGCNA analysis were all used to investigate the molecular mechanisms by which cell-cycle-related factors participated in the auxin signaling pathway on leaf morphogenesis. Sixty-three cyclin members and seventeen CDK members in Populus alba were identified and systematically analyzed. During the evolution, WGD was the main reason that resulted in the expansion of cyclin and CDK genes. Firstly, after a short time treating with auxin to matured leaves of seedlings, genes related to cell division including GRF and ARGOS were both upregulated to restart the transition of cells from G1-to-S phase. Secondly, with three days of continuous auxin stimulation to leaves at different developmental stages, leaves area variation, transcriptomes and hormones were analyzed. By PCA, PCoA and WGCNA analyses, the turquoise module was both positively related to leaf development and auxin. Based on the co-expression analysis and Y2H experiment, PoalbCYCD1;4, PoalbCYCD3;3 and PoalbCYCD3;5 were supposed to interact with PoalbCDKA;1, which could be the trigger to promote the G1-to-S phase transition. The ARF transcription factor might play the key role of connecting the auxin signaling pathway and cell division in leaf morphogenesis by affecting CYC-CDK complexes.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Hailing Yang
- State Key Laboratory of Tree Genetics and Breeding, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100107, China; (J.L.); (Z.W.); (X.Z.); (X.D.); (S.W.); (Y.Y.); (Y.W.); (Y.W.)
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38
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Liu Y, Wu P, Li B, Wang W, Zhu B. Phosphoribosyltransferases and Their Roles in Plant Development and Abiotic Stress Response. Int J Mol Sci 2023; 24:11828. [PMID: 37511586 PMCID: PMC10380321 DOI: 10.3390/ijms241411828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Glycosylation is a widespread glycosyl modification that regulates gene expression and metabolite bioactivity in all life processes of plants. Phosphoribosylation is a special glycosyl modification catalyzed by phosphoribosyltransferase (PRTase), which functions as a key step in the biosynthesis pathway of purine and pyrimidine nucleotides, histidine, tryptophan, and coenzyme NAD(P)+ to control the production of these essential metabolites. Studies in the past decades have reported that PRTases are indispensable for plant survival and thriving, whereas the complicated physiological role of PRTases in plant life and their crosstalk is not well understood. Here, we comprehensively overview and critically discuss the recent findings on PRTases, including their classification, as well as the function and crosstalk in regulating plant development, abiotic stress response, and the balance of growth and stress responses. This review aims to increase the understanding of the role of plant PRTase and also contribute to future research on the trade-off between plant growth and stress response.
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Affiliation(s)
- Ye Liu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Peiwen Wu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Bowen Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Weihao Wang
- Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Benzhong Zhu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
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39
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Serre NBC, Wernerová D, Vittal P, Dubey SM, Medvecká E, Jelínková A, Petrášek J, Grossmann G, Fendrych M. The AUX1-AFB1-CNGC14 module establishes a longitudinal root surface pH profile. eLife 2023; 12:e85193. [PMID: 37449525 PMCID: PMC10414970 DOI: 10.7554/elife.85193] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 07/10/2023] [Indexed: 07/18/2023] Open
Abstract
Plant roots navigate in the soil environment following the gravity vector. Cell divisions in the meristem and rapid cell growth in the elongation zone propel the root tips through the soil. Actively elongating cells acidify their apoplast to enable cell wall extension by the activity of plasma membrane AHA H+-ATPases. The phytohormone auxin, central regulator of gravitropic response and root development, inhibits root cell growth, likely by rising the pH of the apoplast. However, the role of auxin in the regulation of the apoplastic pH gradient along the root tip is unclear. Here, we show, by using an improved method for visualization and quantification of root surface pH, that the Arabidopsis thaliana root surface pH shows distinct acidic and alkaline zones, which are not primarily determined by the activity of AHA H+-ATPases. Instead, the distinct domain of alkaline pH in the root transition zone is controlled by a rapid auxin response module, consisting of the AUX1 auxin influx carrier, the AFB1 auxin co-receptor, and the CNCG14 calcium channel. We demonstrate that the rapid auxin response pathway is required for an efficient navigation of the root tip.
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Affiliation(s)
- Nelson BC Serre
- Department of Experimental Plant Biology, Faculty of Science, Charles UniversityPragueCzech Republic
| | - Daša Wernerová
- Department of Experimental Plant Biology, Faculty of Science, Charles UniversityPragueCzech Republic
- Institute of Cell and Interaction Biology, Heinrich-Heine-University DüsseldorfDüsseldorfGermany
| | - Pruthvi Vittal
- Department of Experimental Plant Biology, Faculty of Science, Charles UniversityPragueCzech Republic
| | - Shiv Mani Dubey
- Department of Experimental Plant Biology, Faculty of Science, Charles UniversityPragueCzech Republic
| | - Eva Medvecká
- Department of Experimental Plant Biology, Faculty of Science, Charles UniversityPragueCzech Republic
| | - Adriana Jelínková
- Institute of Experimental Botany, Czech Academy of SciencesPragueCzech Republic
| | - Jan Petrášek
- Department of Experimental Plant Biology, Faculty of Science, Charles UniversityPragueCzech Republic
- Institute of Experimental Botany, Czech Academy of SciencesPragueCzech Republic
| | - Guido Grossmann
- Institute of Cell and Interaction Biology, Heinrich-Heine-University DüsseldorfDüsseldorfGermany
- CEPLAS - Cluster of Excellence on Plant Sciences, Heinrich-Heine-University DüsseldorfDüsseldorfGermany
| | - Matyáš Fendrych
- Department of Experimental Plant Biology, Faculty of Science, Charles UniversityPragueCzech Republic
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40
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Lomin SN, Kolachevskaya OO, Arkhipov DV, Romanov GA. Canonical and Alternative Auxin Signaling Systems in Mono-, Di-, and Tetraploid Potatoes. Int J Mol Sci 2023; 24:11408. [PMID: 37511169 PMCID: PMC10380454 DOI: 10.3390/ijms241411408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/08/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
It has long been known that the phytohormone auxin plays a promoting role in tuber formation and stress tolerance in potatoes. Our study aimed to identify and characterize the complete sets of auxin-related genes that presumably constitute the entire auxin signaling system in potato (Solanum tuberosum L.). The corresponding genes were retrieved from sequenced genomes of the doubled monoploid S. tuberosum DM1-3-516-R44 (DM) of the Phureja group, the heterozygous diploid line RH89-039-16 (RH), and the autotetraploid cultivar Otava. Both canonical and noncanonical auxin signaling pathways were considered. Phylogenetic and domain analyses of deduced proteins were supplemented by expression profiling and 3D molecular modeling. The canonical and ABP1-mediated pathways of auxin signaling appeared to be well conserved. The total number of potato genes/proteins presumably involved in canonical auxin signaling is 46 and 108 in monoploid DM and tetraploid Otava, respectively. Among the studied potatoes, spectra of expressed genes obviously associated with auxin signaling were partly cultivar-specific and quite different from analogous spectrum in Arabidopsis. Most of the noncanonical pathways found in Arabidopsis appeared to have low probability in potato. This was equally true for all cultivars used irrespective of their ploidy. Thus, some important features of the (noncanonical) auxin signaling pathways may be variable and species-specific.
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Affiliation(s)
- Sergey N Lomin
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
| | - Oksana O Kolachevskaya
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
| | - Dmitry V Arkhipov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
| | - Georgy A Romanov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
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41
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Zhang WJ, Zhou Y, Zhang Y, Su YH, Xu T. Protein phosphorylation: A molecular switch in plant signaling. Cell Rep 2023; 42:112729. [PMID: 37405922 DOI: 10.1016/j.celrep.2023.112729] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 03/03/2023] [Accepted: 06/16/2023] [Indexed: 07/07/2023] Open
Abstract
Protein phosphorylation modification is crucial for signaling transduction in plant development and environmental adaptation. By precisely phosphorylating crucial components in signaling cascades, plants can switch on and off the specific signaling pathways needed for growth or defense. Here, we have summarized recent findings of key phosphorylation events in typical hormone signaling and stress responses. More interestingly, distinct phosphorylation patterns on proteins result in diverse biological functions of these proteins. Thus, we have also highlighted latest findings that show how the different phosphosites of a protein, also named phosphocodes, determine the specificity of downstream signaling in both plant development and stress responses.
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Affiliation(s)
- Wen Jie Zhang
- Plant Synthetic Biology Center, Haixia Institute of Science and Technology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China; State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong, China
| | - Yewei Zhou
- Plant Synthetic Biology Center, Haixia Institute of Science and Technology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Yi Zhang
- Plant Synthetic Biology Center, Haixia Institute of Science and Technology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Ying Hua Su
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong, China.
| | - Tongda Xu
- Plant Synthetic Biology Center, Haixia Institute of Science and Technology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China.
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42
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Guo J, Wang H, Guan W, Guo Q, Wang J, Yang J, Peng Y, Shan J, Gao M, Shi S, Shangguan X, Liu B, Jing S, Zhang J, Xu C, Huang J, Rao W, Zheng X, Wu D, Zhou C, Du B, Chen R, Zhu L, Zhu Y, Walling LL, Zhang Q, He G. A tripartite rheostat controls self-regulated host plant resistance to insects. Nature 2023:10.1038/s41586-023-06197-z. [PMID: 37316670 DOI: 10.1038/s41586-023-06197-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 05/11/2023] [Indexed: 06/16/2023]
Abstract
Plants deploy receptor-like kinases and nucleotide-binding leucine-rich repeat receptors to confer host plant resistance (HPR) to herbivores1. These gene-for-gene interactions between insects and their hosts have been proposed for more than 50 years2. However, the molecular and cellular mechanisms that underlie HPR have been elusive, as the identity and sensing mechanisms of insect avirulence effectors have remained unknown. Here we identify an insect salivary protein perceived by a plant immune receptor. The BPH14-interacting salivary protein (BISP) from the brown planthopper (Nilaparvata lugens Stål) is secreted into rice (Oryza sativa) during feeding. In susceptible plants, BISP targets O. satvia RLCK185 (OsRLCK185; hereafter Os is used to denote O. satvia-related proteins or genes) to suppress basal defences. In resistant plants, the nucleotide-binding leucine-rich repeat receptor BPH14 directly binds BISP to activate HPR. Constitutive activation of Bph14-mediated immunity is detrimental to plant growth and productivity. The fine-tuning of Bph14-mediated HPR is achieved through direct binding of BISP and BPH14 to the selective autophagy cargo receptor OsNBR1, which delivers BISP to OsATG8 for degradation. Autophagy therefore controls BISP levels. In Bph14 plants, autophagy restores cellular homeostasis by downregulating HPR when feeding by brown planthoppers ceases. We identify an insect saliva protein sensed by a plant immune receptor and discover a three-way interaction system that offers opportunities for developing high-yield, insect-resistant crops.
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Affiliation(s)
- Jianping Guo
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Huiying Wang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Wei Guan
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Qin Guo
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Jing Wang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Jing Yang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yaxin Peng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Junhan Shan
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Mingyang Gao
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Shaojie Shi
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Xinxin Shangguan
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Bingfang Liu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Shengli Jing
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Jing Zhang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Chunxue Xu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Jin Huang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Weiwei Rao
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Xiaohong Zheng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Di Wu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Cong Zhou
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Bo Du
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Rongzhi Chen
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Lili Zhu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
| | - Yuxian Zhu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Institute for Advanced Studies, Wuhan University, Wuhan, China
| | - Linda L Walling
- Department of Botany and Plant Sciences, University of California, Riverside, CA, USA
| | - Qifa Zhang
- Hubei Hongshan Laboratory, Wuhan, China
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, China
| | - Guangcun He
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, China.
- Hubei Hongshan Laboratory, Wuhan, China.
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43
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Abualia R, Riegler S, Benkova E. Nitrate, Auxin and Cytokinin-A Trio to Tango. Cells 2023; 12:1613. [PMID: 37371083 DOI: 10.3390/cells12121613] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/01/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Nitrogen is an important macronutrient required for plant growth and development, thus directly impacting agricultural productivity. In recent years, numerous studies have shown that nitrogen-driven growth depends on pathways that control nitrate/nitrogen homeostasis and hormonal networks that act both locally and systemically to coordinate growth and development of plant organs. In this review, we will focus on recent advances in understanding the role of the plant hormones auxin and cytokinin and their crosstalk in nitrate-regulated growth and discuss the significance of novel findings and possible missing links.
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Affiliation(s)
- Rashed Abualia
- School of Plant Sciences and Food Security, Tel Aviv University, Ramat Aviv, Tel Aviv 69978, Israel
| | - Stefan Riegler
- Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria
| | - Eva Benkova
- Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria
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44
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Qiu Z, Zeng C, Deng H, Shen Z, Han H. How plants cope with fast primary root elongation inhibition. FRONTIERS IN PLANT SCIENCE 2023; 14:1187634. [PMID: 37324686 PMCID: PMC10264606 DOI: 10.3389/fpls.2023.1187634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 05/09/2023] [Indexed: 06/17/2023]
Affiliation(s)
| | | | | | | | - Huibin Han
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, China
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45
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Ang ACH, Østergaard L. Save your TIRs - more to auxin than meets the eye. THE NEW PHYTOLOGIST 2023; 238:971-976. [PMID: 36721296 PMCID: PMC10952682 DOI: 10.1111/nph.18783] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 01/14/2023] [Indexed: 06/18/2023]
Abstract
Auxin has long been known as an important regulator of plant growth and development. Classical studies in auxin biology have uncovered a 'canonical' transcriptional auxin-signalling pathway involving the TRANSPORT INHIBITOR RESPONSE1/AUXIN SIGNALING F-BOX (TIR1/AFB) receptors. TIR1/AFB perception of auxin triggers the degradation of repressors and the derepression of auxin-responsive genes. Nevertheless, the canonical pathway cannot account for all aspects of auxin biology, such as physiological responses that are too rapid for transcriptional regulation. This Tansley insight will explore several 'non-canonical' pathways that have been described in recent years mediating fast auxin responses. We focus on the interplay between a nontranscriptional branch of TIR1/AFB signalling and a TRANSMEMBRANE KINASE1 (TMK1)-mediated pathway in root acid growth. Other developmental aspects involving the TMKs and their association with the controversial AUXIN-BINDING PROTEIN 1 (ABP1) will be discussed. Finally, we provide an updated overview of the ETTIN (ETT)-mediated pathway in contexts outside of gynoecium development.
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Affiliation(s)
| | - Lars Østergaard
- John Innes CentreNorwichNR4 7UHUK
- Department of BiologyUniversity of OxfordOxfordOX1 3RBUK
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46
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Bai Y, Dou Y, Xie Y, Zheng H, Gao J. Phylogeny, transcriptional profile, and auxin-induced phosphorylation modification characteristics of conserved PIN proteins in Moso bamboo (Phyllostachys edulis). Int J Biol Macromol 2023; 234:123671. [PMID: 36801226 DOI: 10.1016/j.ijbiomac.2023.123671] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/13/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023]
Abstract
Auxin polar transport is an important way for auxin to exercise its function, and auxin plays an irreplaceable role in the rapid growth of Moso bamboo. We identified and performed the structural analysis of PIN-FORMED auxin efflux carriers in Moso bamboo and obtained a total of 23 PhePIN genes from five gene subfamilies. We also performed chromosome localization and intra- and inter-species synthesis analysis. Phylogenetic analyses of 216 PIN genes showed that PIN genes are relatively conserved in the evolution of the Bambusoideae and have undergone intra-family segment replication in Moso bamboo. The PIN genes' transcriptional patterns showed that the PIN1 subfamily plays a major regulatory role. PIN genes and auxin biosynthesis maintain a high degree of consistency in spatial and temporal distribution. Phosphoproteomics analysis identified many phosphorylated protein kinases that respond to auxin regulation through autophosphorylation and phosphorylation of PIN proteins. The protein interaction network showed that there is a plant hormone interaction regulatory network with PIN protein as the core. We provide a comprehensive PIN protein analysis that complements the auxin regulatory pathway in Moso bamboo and paves the way for further auxin regulatory studies in bamboo.
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Affiliation(s)
- Yucong Bai
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology, International Center for Bamboo and Rattan, Beijing, China
| | - Yuping Dou
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology, International Center for Bamboo and Rattan, Beijing, China
| | - Yali Xie
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology, International Center for Bamboo and Rattan, Beijing, China
| | - Huifang Zheng
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology, International Center for Bamboo and Rattan, Beijing, China
| | - Jian Gao
- Key Laboratory of National Forestry and Grassland Administration, Beijing for Bamboo & Rattan Science and Technology, International Center for Bamboo and Rattan, Beijing, China.
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47
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Prusinska J, Uzunova V, Schmitzer P, Weimer M, Bell J, Napier RM. The differential binding and biological efficacy of auxin herbicides. PEST MANAGEMENT SCIENCE 2023; 79:1305-1315. [PMID: 36458868 PMCID: PMC10952535 DOI: 10.1002/ps.7294] [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: 09/26/2022] [Revised: 11/07/2022] [Accepted: 11/09/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Auxin herbicides have been used for selective weed control for 75 years and they continue to be amongst the most widely used weed control agents globally. The auxin herbicides fall into five chemical classes, with two herbicides not classified, and in all cases it is anticipated that recognition in the plant starts with binding to the Transport Inhibitor Response 1 (TIR1) family of auxin receptors. There is evidence that some classes of auxins act selectively with certain clades of receptors, although a comprehensive structure-activity relationship has not been available. RESULTS Using purified receptor proteins to measure binding efficacy we have conducted quantitative structure activity relationship (qSAR) assays using representative members of the three receptor clades in Arabidopsis, TIR1, AFB2 and AFB5. Complementary qSAR data for biological efficacy at the whole-plant level using root growth inhibition and foliar phytotoxicity assays have also been analyzed for each family of auxin herbicides, including for the afb5-1 receptor mutant line. CONCLUSIONS Comparisons of all these assays highlight differences in receptor selectivity and some systematic differences between results for binding in vitro and activity in vivo. The results could provide insights into weed spectrum differences between the different classes of auxin herbicides, as well as the potential resistance and cross-resistance implications for this herbicide class. © 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
| | | | - Paul Schmitzer
- Corteva AgriscienceCrop Protection Discovery & DevelopmentIndianapolisIndianaUSA
| | - Monte Weimer
- Corteva AgriscienceCrop Protection Discovery & DevelopmentIndianapolisIndianaUSA
| | - Jared Bell
- Corteva AgriscienceCrop Protection Discovery & DevelopmentIndianapolisIndianaUSA
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48
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Suzuki H, Kato H, Iwano M, Nishihama R, Kohchi T. Auxin signaling is essential for organogenesis but not for cell survival in the liverwort Marchantia polymorpha. THE PLANT CELL 2023; 35:1058-1075. [PMID: 36529527 PMCID: PMC10015169 DOI: 10.1093/plcell/koac367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 11/28/2022] [Accepted: 12/15/2022] [Indexed: 05/12/2023]
Abstract
Auxin plays pleiotropic roles in plant development via gene regulation upon its perception by the receptors TRANSPORT INHIBITOR RESPONSE 1/AUXIN SIGNALING F-BOX (TIR1/AFBs). This auxin-regulated transcriptional control mechanism originated in the common ancestor of land plants. Although the complete loss of TIR1/AFBs causes embryonic lethality in Arabidopsis thaliana, it is unclear whether the requirement for TIR1-mediated auxin perception in cell viability can be generalized. The model liverwort Marchantia polymorpha has a minimal auxin signaling system with only a single TIR1/AFB, MpTIR1. Here we show by genetic, biochemical, and transcriptomic analyses that MpTIR1 functions as an evolutionarily conserved auxin receptor. Null mutants and conditionally knocked-out mutants of MpTIR1 were viable but incapable of forming any organs and grew as cell masses. Principal component analysis performed using transcriptomes at various developmental stages indicated that MpTIR1 is involved in the developmental transition from spores to organized thalli, during which apical notches containing stem cells are established. In Mptir1 cells, stem cell- and differentiation-related genes were up- and downregulated, respectively. Our findings suggest that, in M. polymorpha, auxin signaling is dispensable for cell division but is essential for three-dimensional patterning of the plant body by establishing pluripotent stem cells for organogenesis, a derived trait of land plants.
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Affiliation(s)
- Hidemasa Suzuki
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
| | - Hirotaka Kato
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Graduate School of Science, Kobe University, Kobe 657-8501, Japan
- Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
| | - Megumi Iwano
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Ryuichi Nishihama
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda 278-8510, Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
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49
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Carrillo‐Carrasco VP, Hernandez‐Garcia J, Mutte SK, Weijers D. The birth of a giant: evolutionary insights into the origin of auxin responses in plants. EMBO J 2023; 42:e113018. [PMID: 36786017 PMCID: PMC10015382 DOI: 10.15252/embj.2022113018] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/20/2023] [Accepted: 01/25/2023] [Indexed: 02/15/2023] Open
Abstract
The plant signaling molecule auxin is present in multiple kingdoms of life. Since its discovery, a century of research has been focused on its action as a phytohormone. In land plants, auxin regulates growth and development through transcriptional and non-transcriptional programs. Some of the molecular mechanisms underlying these responses are well understood, mainly in Arabidopsis. Recently, the availability of genomic and transcriptomic data of green lineages, together with phylogenetic inference, has provided the basis to reconstruct the evolutionary history of some components involved in auxin biology. In this review, we follow the evolutionary trajectory that allowed auxin to become the "giant" of plant biology by focusing on bryophytes and streptophyte algae. We consider auxin biosynthesis, transport, physiological, and molecular responses, as well as evidence supporting the role of auxin as a chemical messenger for communication within ecosystems. Finally, we emphasize that functional validation of predicted orthologs will shed light on the conserved properties of auxin biology among streptophytes.
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Affiliation(s)
| | | | - Sumanth K Mutte
- Laboratory of BiochemistryWageningen UniversityWageningenthe Netherlands
| | - Dolf Weijers
- Laboratory of BiochemistryWageningen UniversityWageningenthe Netherlands
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50
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Laohavisit A. Wound-Induced Rooting in Plants-A big BIG ROle Emerges for Calcium and Auxin. PLANT & CELL PHYSIOLOGY 2023; 64:149-151. [PMID: 36688580 DOI: 10.1093/pcp/pcad007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/19/2023] [Accepted: 01/23/2023] [Indexed: 06/17/2023]
Affiliation(s)
- Anuphon Laohavisit
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601 Japan
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