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Zou Y, Gigli-Bisceglia N, van Zelm E, Kokkinopoulou P, Julkowska MM, Besten M, Nguyen TP, Li H, Lamers J, de Zeeuw T, Dongus JA, Zeng Y, Cheng Y, Koevoets IT, Jørgensen B, Giesbers M, Vroom J, Ketelaar T, Petersen BL, Engelsdorf T, Sprakel J, Zhang Y, Testerink C. Arabinosylation of cell wall extensin is required for the directional response to salinity in roots. THE PLANT CELL 2024; 36:3328-3343. [PMID: 38691576 PMCID: PMC11371136 DOI: 10.1093/plcell/koae135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/29/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
Soil salinity is a major contributor to crop yield losses. To improve our understanding of root responses to salinity, we developed and exploited a real-time salt-induced tilting assay. This assay follows root growth upon both gravitropic and salt challenges, revealing that root bending upon tilting is modulated by Na+ ions, but not by osmotic stress. Next, we measured this salt-specific response in 345 natural Arabidopsis (Arabidopsis thaliana) accessions and discovered a genetic locus, encoding the cell wall-modifying enzyme EXTENSIN ARABINOSE DEFICIENT TRANSFERASE (ExAD) that is associated with root bending in the presence of NaCl (hereafter salt). Extensins are a class of structural cell wall glycoproteins known as hydroxyproline (Hyp)-rich glycoproteins, which are posttranslationally modified by O-glycosylation, mostly involving Hyp-arabinosylation. We show that salt-induced ExAD-dependent Hyp-arabinosylation influences root bending responses and cell wall thickness. Roots of exad1 mutant seedlings, which lack Hyp-arabinosylation of extensin, displayed increased thickness of root epidermal cell walls and greater cell wall porosity. They also showed altered gravitropic root bending in salt conditions and a reduced salt-avoidance response. Our results suggest that extensin modification via Hyp-arabinosylation is a unique salt-specific cellular process required for the directional response of roots exposed to salinity.
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Affiliation(s)
- Yutao Zou
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
- Plant Cell Biology, Swammerdam Institute for Life Science, Universiteit van Amsterdam, 1090 GE Amsterdam, the Netherlands
| | - Nora Gigli-Bisceglia
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
- Plant Stress Resilience, Institute of Environmental Biology, Utrecht University, 3508 TB Utrecht, the Netherlands
| | - Eva van Zelm
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Pinelopi Kokkinopoulou
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | | | - Maarten Besten
- Laboratory of Biochemistry, Wageningen University & Research, 6708 WE Wageningen, the Netherlands
| | - Thu-Phuong Nguyen
- Laboratory of Genetics, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Hongfei Li
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Jasper Lamers
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Thijs de Zeeuw
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Joram A Dongus
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Yuxiao Zeng
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Yu Cheng
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Iko T Koevoets
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
- Plant Cell Biology, Swammerdam Institute for Life Science, Universiteit van Amsterdam, 1090 GE Amsterdam, the Netherlands
| | - Bodil Jørgensen
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg C 1871, Denmark
| | - Marcel Giesbers
- Wageningen Electron Microscopy Centre, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Jelmer Vroom
- Wageningen Electron Microscopy Centre, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Tijs Ketelaar
- Laboratory of Cell Biology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
| | - Bent Larsen Petersen
- Department of Plant and Environmental Sciences, University of Copenhagen, Frederiksberg C 1871, Denmark
| | - Timo Engelsdorf
- Molecular Plant Physiology, Philipps-Universität Marburg, 35043 Marburg, Germany
| | - Joris Sprakel
- Laboratory of Biochemistry, Wageningen University & Research, 6708 WE Wageningen, the Netherlands
| | - Yanxia Zhang
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
- College of Agriculture, South China Agricultural University, 510642 Guangzhou, China
| | - Christa Testerink
- Laboratory of Plant Physiology, Wageningen University & Research, 6708 PB Wageningen, the Netherlands
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Sede AR, Wengier DL, Borassi C, Ricardi M, Somoza SC, Aguiló R, Estevez JM, Muschietti JP. Arabidopsis pollen prolyl-hydroxylases P4H4/6 are relevant for correct hydroxylation and secretion of LRX11 in pollen tubes. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:4415-4427. [PMID: 38877792 DOI: 10.1093/jxb/erae269] [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: 09/04/2023] [Accepted: 06/13/2024] [Indexed: 06/16/2024]
Abstract
Major constituents of the plant cell walls are structural proteins that belong to the hydroxyproline-rich glycoprotein (HRGP) family. Leucine-rich repeat extensin (LRX) proteins contain a leucine-rich domain and a C-terminal domain with repetitive Ser-Pro3-5 motifs that are potentially to be O-glycosylated. It has been demonstrated that pollen-specific LRX8-LRX11 from Arabidopsis thaliana are necessary to maintain the integrity of the pollen tube cell wall during polarized growth. In HRGPs, including classical extensins (EXTs), and probably in LRXs, proline residues are converted to hydroxyproline by prolyl-4-hydroxylases (P4Hs), thus defining novel O-glycosylation sites. In this context, we aimed to determine whether hydroxylation and subsequent O-glycosylation of Arabidopsis pollen LRXs are necessary for their proper function and cell wall localization in pollen tubes. We hypothesized that pollen-expressed P4H4 and P4H6 catalyze the hydroxylation of the proline units present in Ser-Pro3-5 motifs of LRX8-LRX11. Here, we show that the p4h4-1 p4h6-1 double mutant exhibits a reduction in pollen germination rates and a slight reduction in pollen tube length. Pollen germination is also inhibited by P4H inhibitors, suggesting that prolyl hydroxylation is required for pollen tube development. Plants expressing pLRX11::LRX11-GFP in the p4h4-1 p4h6-1 background show partial re-localization of LRX11-green fluorescent protein (GFP) from the pollen tube tip apoplast to the cytoplasm. Finally, immunoprecipitation-tandem mass spectrometry analysis revealed a decrease in oxidized prolines (hydroxyprolines) in LRX11-GFP in the p4h4-1 p4h6-1 background compared with lrx11 plants expressing pLRX11::LRX11-GFP. Taken together, these results suggest that P4H4 and P4H6 are required for pollen germination and for proper hydroxylation of LRX11 necessary for its localization in the cell wall of pollen tubes.
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Affiliation(s)
- Ana R Sede
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Intendente Güiraldes 2160, Ciudad Universitaria, Pabellón II, C1428EGA, Buenos Aires, Argentina
| | - Diego L Wengier
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
| | - Cecilia Borassi
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | - Martiniano Ricardi
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIByNE-CONICET), Universidad de Buenos Aires, Buenos Aires, Intendente Güiraldes 2160, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina
| | - Sofía C Somoza
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Intendente Güiraldes 2160, Ciudad Universitaria, Pabellón II, C1428EGA, Buenos Aires, Argentina
| | - Rafael Aguiló
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
| | - José M Estevez
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIByNE-CONICET), Universidad de Buenos Aires, Buenos Aires, Intendente Güiraldes 2160, Ciudad Universitaria, C1428EGA, Buenos Aires, Argentina
- Centro de Biotecnología Vegetal (CBV), Facultad de Cs. de la Vida, Universidad Andrés Bello, ANID-Millennium Science Initiative Program-Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), Santiago, Chile and ANID-Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago, Chile
| | - Jorge P Muschietti
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Intendente Güiraldes 2160, Ciudad Universitaria, Pabellón II, C1428EGA, Buenos Aires, Argentina
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Rodríguez-García DR, Rondón Guerrero YDC, Ferrero L, Rossi AH, Miglietta EA, Aptekmann AA, Marzol E, Martínez Pacheco J, Carignani M, Berdion Gabarain V, Lopez LE, Díaz Dominguez G, Borassi C, Sánchez-Serrano JJ, Xu L, Nadra AD, Rojo E, Ariel F, Estevez JM. Transcription factor NAC1 activates expression of peptidase-encoding AtCEPs in roots to limit root hair growth. PLANT PHYSIOLOGY 2023; 194:81-93. [PMID: 37801618 DOI: 10.1093/plphys/kiad533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/08/2023]
Abstract
Plant genomes encode a unique group of papain-type Cysteine EndoPeptidases (CysEPs) containing a KDEL endoplasmic reticulum (ER) retention signal (KDEL-CysEPs or CEPs). CEPs process the cell-wall scaffolding EXTENSIN (EXT) proteins that regulate de novo cell-wall formation and cell expansion. Since CEPs cleave EXTs and EXT-related proteins, acting as cell-wall-weakening agents, they may play a role in cell elongation. The Arabidopsis (Arabidopsis thaliana) genome encodes 3 CEPs (AtCPE1-AtCEP3). Here, we report that the genes encoding these 3 Arabidopsis CEPs are highly expressed in root-hair (RH) cell files. Single mutants have no evident abnormal RH phenotype, but atcep1-3 atcep3-2 and atcep1-3 atcep2-2 double mutants have longer RHs than wild-type (Wt) plants, suggesting that expression of AtCEPs in root trichoblasts restrains polar elongation of the RH. We provide evidence that the transcription factor NAC1 (petunia NAM and Arabidopsis ATAF1, ATAF2, and CUC2) activates AtCEPs expression in roots to limit RH growth. Chromatin immunoprecipitation indicates that NAC1 binds to the promoter of AtCEP1, AtCEP2, and, to a lower extent, AtCEP3 and may directly regulate their expression. Inducible NAC1 overexpression increases AtCEP1 and AtCEP2 transcript levels in roots and leads to reduced RH growth while the loss of function nac1-2 mutation reduces AtCEP1-AtCEP3 gene expression and enhances RH growth. Likewise, expression of a dominant chimeric NAC1-SRDX repressor construct leads to increased RH length. Finally, we show that RH cell walls in the atcep1-3 atcep3-2 double mutant have reduced levels of EXT deposition, suggesting that the defects in RH elongation are linked to alterations in EXT processing and accumulation. Our results support the involvement of AtCEPs in controlling RH polar growth through EXT processing and insolubilization at the cell wall.
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Affiliation(s)
- Diana R Rodríguez-García
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | | | - Lucía Ferrero
- CONICET, Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, Colectora Ruta Nacional 168 km 0, 3000, Santa Fe, Argentina
| | - Andrés Hugo Rossi
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Esteban A Miglietta
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Ariel A Aptekmann
- Departamento de Fisiología, Biología Molecular y Celular, Instituto de Biociencias, Biotecnología y Biología Traslacional (iB3), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires C1428EGA, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (IQUIBICEN-CONICET), Ciudad Universitaria, Buenos Aires C1428EGA, Argentina
| | - Eliana Marzol
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Javier Martínez Pacheco
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Mariana Carignani
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Victoria Berdion Gabarain
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Leonel E Lopez
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Gabriela Díaz Dominguez
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - Cecilia Borassi
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
| | - José Juan Sánchez-Serrano
- Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, Cantoblanco, E-28049 Madrid, Spain
| | - Lin Xu
- National Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Alejandro D Nadra
- Departamento de Fisiología, Biología Molecular y Celular, Instituto de Biociencias, Biotecnología y Biología Traslacional (iB3), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires C1428EGA, Argentina
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (IQUIBICEN-CONICET), Ciudad Universitaria, Buenos Aires C1428EGA, Argentina
| | - Enrique Rojo
- Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, Cantoblanco, E-28049 Madrid, Spain
| | - Federico Ariel
- CONICET, Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, Colectora Ruta Nacional 168 km 0, 3000, Santa Fe, Argentina
| | - José M Estevez
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, 8370146 Santiago, Chile
- ANID-Millennium Institute for Integrative Biology (iBio), 7500000 Santiago, Chile
- ANID-Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), 8331150 Santiago, Chile
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Zhang W, Shang M, Qiu L, Liu B, Zang X. Based on Transcriptome Sequencing of Cell Wall Deficient Strain, Research on Arabinosyltransferase Inhibition's Effect on the Synthesis of Cell Wall in Chlamydomonas reinhardtii. Int J Mol Sci 2023; 24:17595. [PMID: 38139423 PMCID: PMC10744005 DOI: 10.3390/ijms242417595] [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: 11/24/2023] [Revised: 12/11/2023] [Accepted: 12/16/2023] [Indexed: 12/24/2023] Open
Abstract
To explore the key genes involved in cell wall synthesis and understand the molecular mechanism of cell wall assembly in the model alga-Chlamydomonas reinhardtii, transcriptome sequencing was used to discover the differentially expressed genes in the cell wall defective strain. In the glucose metabolism, lipid metabolism, and amino acid metabolism pathways, the gene expressions involved in the synthesis of cell wall functional components were analyzed. The results showed that in the cell wall defective strain, arabinosyltransferase gene (XEG113, RRA) related to synthesis of plant extensin and some cell wall structural protein genes (hyp, PHC19, PHC15, PHC4, PHC3) were up-regulated, 1,3-β-glucan synthase gene (Gls2) and endoglucanase gene (EG2) about synthesis and degradation of glycoskeleton were both mainly up-regulated. Then, ethambutol dihydrochloride, an arabinosyltransferase inhibitor, was found to affect the permeability of the cell wall of the normal strain, while the cell wall deficient strain was not affected. To further research the function of arabinosyltransferase, the RRA gene was inactivated by knockout in the normal cell wall algal strain. Through a combination of microscope observation and physiological index detection, it was found that the cell wall of the mutant strains showed reduced structure levels, suggesting that the structure and function of the cell wall glycoprotein were weakened. Therefore, arabinosyltransferase may affect the glycosylation modification of cell wall glycoprotein, further affecting the structure assembly of cell wall glycoprotein.
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Affiliation(s)
- Wenhua Zhang
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao 266003, China; (W.Z.); (M.S.); (L.Q.)
| | - Menghui Shang
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao 266003, China; (W.Z.); (M.S.); (L.Q.)
| | - Lexin Qiu
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao 266003, China; (W.Z.); (M.S.); (L.Q.)
| | - Bin Liu
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao 266003, China; (W.Z.); (M.S.); (L.Q.)
- Yellow Sea Fisheries Research Institute, Qingdao 266003, China
| | - Xiaonan Zang
- Key Laboratory of Marine Genetics and Breeding, Ministry of Education, Ocean University of China, Qingdao 266003, China; (W.Z.); (M.S.); (L.Q.)
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Pacheco JM, Gabarain VB, Lopez LE, Lehuedé TU, Ocaranza D, Estevez JM. Understanding signaling pathways governing the polar development of root hairs in low-temperature, nutrient-deficient environments. CURRENT OPINION IN PLANT BIOLOGY 2023; 75:102386. [PMID: 37352652 DOI: 10.1016/j.pbi.2023.102386] [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: 02/02/2023] [Revised: 05/04/2023] [Accepted: 05/07/2023] [Indexed: 06/25/2023]
Abstract
Plants exposed to freezing and above-freezing low temperatures must employ a variety of strategies to minimize fitness loss. There is a considerable knowledge gap regarding how mild low temperatures (around 10 °C) affect plant growth and developmental processes, even though the majority of the molecular mechanisms that plants use to adapt to extremely low temperatures are well understood. Root hairs (RH) have become a useful model system for studying how plants regulate their growth in response to both cell-intrinsic cues and environmental inputs. Here, we'll focus on recent advances in the molecular mechanisms underpinning Arabidopsis thaliana RH growth at mild low temperatures and how these discoveries may influence our understanding of nutrient sensing mechanisms by the roots. This highlights how intricately linked mechanisms are necessary for plant development to take place under specific circumstances and to produce a coherent response, even at the level of a single RH cell.
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Affiliation(s)
- Javier Martínez Pacheco
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; ANID - Millennium Science Initiative Program - Millennium Nucleus for the DeveIopment of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile
| | - Victoria Berdion Gabarain
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; ANID - Millennium Science Initiative Program - Millennium Nucleus for the DeveIopment of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile
| | - Leonel E Lopez
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; ANID - Millennium Science Initiative Program - Millennium Nucleus for the DeveIopment of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile
| | - Tomás Urzúa Lehuedé
- ANID - Millennium Science Initiative Program - Millennium Nucleus for the DeveIopment of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile; ANID - Millennium Science Initiative Program - Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile; Centro de Biotecnología Vegetal (CBV), Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago 8370146, Chile
| | - Darío Ocaranza
- ANID - Millennium Science Initiative Program - Millennium Nucleus for the DeveIopment of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile; Centro de Biotecnología Vegetal (CBV), Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago 8370146, Chile
| | - José M Estevez
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; ANID - Millennium Science Initiative Program - Millennium Nucleus for the DeveIopment of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile; ANID - Millennium Science Initiative Program - Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile; Centro de Biotecnología Vegetal (CBV), Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago 8370146, Chile.
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6
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Jaffri SRF, Scheer H, MacAlister CA. The hydroxyproline O-arabinosyltransferase FIN4 is required for tomato pollen intine development. PLANT REPRODUCTION 2023; 36:173-191. [PMID: 36749417 DOI: 10.1007/s00497-023-00459-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/20/2023] [Indexed: 06/09/2023]
Abstract
The pollen grain cell wall is a highly specialized structure composed of distinct layers formed through complex developmental pathways. The production of the innermost intine layer, composed of cellulose, pectin and other polymers, is particularly poorly understood. Here we demonstrate an important and specific role for the hydroxyproline O-arabinosyltransferase (HPAT) FIN4 in tomato intine development. HPATs are plant-specific enzymes which initiate glycosylation of certain cell wall structural proteins and signaling peptides. FIN4 was expressed throughout pollen development in both the developing pollen and surrounding tapetal cells. A fin4 mutant with a partial deletion of the catalytic domain displayed significantly reduced male fertility in vivo and compromised pollen hydration and germination in vitro. However, fin4 pollen that successfully germinated formed morphologically normal pollen tubes with the same growth rate as the wild-type pollen. When we examined mature fin4 pollen, we found they were cytologically normal, and formed morphologically normal exine, but produced significantly thinner intine. During intine deposition at the late stages of pollen development we found fin4 pollen had altered polymer deposition, including reduced cellulose and increased detection of pectin, specifically homogalacturonan with both low and high degrees of methylesterification. Therefore, FIN4 plays an important role in intine formation and, in turn pollen hydration and germination and the process of intine formation involves dynamic changes in the developing pollen cell wall.
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Affiliation(s)
- Syeda Roop Fatima Jaffri
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Holly Scheer
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Cora A MacAlister
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, USA.
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Bachy C, Wittmers F, Muschiol J, Hamilton M, Henrissat B, Worden AZ. The Land-Sea Connection: Insights Into the Plant Lineage from a Green Algal Perspective. ANNUAL REVIEW OF PLANT BIOLOGY 2022; 73:585-616. [PMID: 35259927 DOI: 10.1146/annurev-arplant-071921-100530] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The colonization of land by plants generated opportunities for the rise of new heterotrophic life forms, including humankind. A unique event underpinned this massive change to earth ecosystems-the advent of eukaryotic green algae. Today, an abundant marine green algal group, the prasinophytes, alongside prasinodermophytes and nonmarine chlorophyte algae, is facilitating insights into plant developments. Genome-level data allow identification of conserved proteins and protein families with extensive modifications, losses, or gains and expansion patterns that connect to niche specialization and diversification. Here, we contextualize attributes according to Viridiplantae evolutionary relationships, starting with orthologous protein families, and then focusing on key elements with marked differentiation, resulting in patchy distributions across green algae and plants. We place attention on peptidoglycan biosynthesis, important for plastid division and walls; phytochrome photosensors that are master regulators in plants; and carbohydrate-active enzymes, essential to all manner of carbohydratebiotransformations. Together with advances in algal model systems, these areas are ripe for discovering molecular roles and innovations within and across plant and algal lineages.
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Affiliation(s)
- Charles Bachy
- Ocean EcoSystems Biology Unit, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Fabian Wittmers
- Ocean EcoSystems Biology Unit, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Jan Muschiol
- Ocean EcoSystems Biology Unit, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Maria Hamilton
- Ocean EcoSystems Biology Unit, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
| | - Bernard Henrissat
- Architecture et Fonction des Macromolécules Biologiques, CNRS UMR 7257, Aix-Marseille Université (AMU), Marseille, France
- Department of Biological Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
- DTU Bioengineering, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Alexandra Z Worden
- Ocean EcoSystems Biology Unit, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
- Marine Biological Laboratories, Woods Hole, Massachusetts, USA
- Max Planck Institute for Evolutionary Biology, Plön, Germany
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8
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Marzol E, Borassi C, Carignani Sardoy M, Ranocha P, Aptekmann AA, Bringas M, Pennington J, Paez-Valencia J, Martínez Pacheco J, Rodríguez-Garcia DR, Rondón Guerrero YDC, Peralta JM, Fleming M, Mishler-Elmore JW, Mangano S, Blanco-Herrera F, Bedinger PA, Dunand C, Capece L, Nadra AD, Held M, Otegui MS, Estevez JM. Class III Peroxidases PRX01, PRX44, and PRX73 Control Root Hair Growth in Arabidopsis thaliana. Int J Mol Sci 2022; 23:5375. [PMID: 35628189 PMCID: PMC9141322 DOI: 10.3390/ijms23105375] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/29/2022] [Accepted: 05/07/2022] [Indexed: 11/16/2022] Open
Abstract
Root hair cells are important sensors of soil conditions. They grow towards and absorb water-soluble nutrients. This fast and oscillatory growth is mediated by continuous remodeling of the cell wall. Root hair cell walls contain polysaccharides and hydroxyproline-rich glycoproteins, including extensins (EXTs). Class-III peroxidases (PRXs) are secreted into the apoplastic space and are thought to trigger either cell wall loosening or polymerization of cell wall components, such as Tyr-mediated assembly of EXT networks (EXT-PRXs). The precise role of these EXT-PRXs is unknown. Using genetic, biochemical, and modeling approaches, we identified and characterized three root-hair-specific putative EXT-PRXs, PRX01, PRX44, and PRX73. prx01,44,73 triple mutation and PRX44 and PRX73 overexpression had opposite effects on root hair growth, peroxidase activity, and ROS production, with a clear impact on cell wall thickness. We use an EXT fluorescent reporter with contrasting levels of cell wall insolubilization in prx01,44,73 and PRX44-overexpressing background plants. In this study, we propose that PRX01, PRX44, and PRX73 control EXT-mediated cell wall properties during polar expansion of root hair cells.
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Affiliation(s)
- Eliana Marzol
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Cecilia Borassi
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Mariana Carignani Sardoy
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Philippe Ranocha
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, Toulouse INP, 24, Chemin de Borde-Rouge, 31320 Auzeville-Tolosane, France; (P.R.); (C.D.)
| | - Ariel A. Aptekmann
- Departamento de Fisiología, Biología Molecular y Celular, Instituto de Biociencias, Biotecnología y Biología Traslacional (iB3). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires C1428EGA, Argentina; (A.A.A.); (A.D.N.)
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (IQUIBICEN-CONICET), Ciudad Universitaria, Buenos Aires C1428EGA, Argentina
| | - Mauro Bringas
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (INQUIMAE-CONICET), Buenos Aires C1428EGA, Argentina; (M.B.); (L.C.)
| | - Janice Pennington
- Laboratory of Cell and Molecular Biology, University of Wisconsin, Madison and Center for Quantitative Cell Imaging, University of Wisconsin, Madison, WI 53706, USA; (J.P.); (J.P.-V.); (M.S.O.)
| | - Julio Paez-Valencia
- Laboratory of Cell and Molecular Biology, University of Wisconsin, Madison and Center for Quantitative Cell Imaging, University of Wisconsin, Madison, WI 53706, USA; (J.P.); (J.P.-V.); (M.S.O.)
| | - Javier Martínez Pacheco
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Diana R. Rodríguez-Garcia
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Yossmayer del Carmen Rondón Guerrero
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Juan Manuel Peralta
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Margaret Fleming
- Department of Biology, Colorado State University, Fort Collins, CO 80523-1878, USA; (M.F.); (P.A.B.)
| | - John W. Mishler-Elmore
- Department of Chemistry and Biochemistry, Ohio University, Athens, OH 45701, USA; (J.W.M.-E.); (M.H.)
| | - Silvina Mangano
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
| | - Francisca Blanco-Herrera
- Center of Applied Ecology and Sustainability (CAPES), Santiago 8320000, Chile;
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello Santiago, Santiago 8370146, Chile
- ANID—Millennium Science Initiative Program—Millennium Institute for Integrative Biology (iBio) and Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile
| | - Patricia A. Bedinger
- Department of Biology, Colorado State University, Fort Collins, CO 80523-1878, USA; (M.F.); (P.A.B.)
| | - Christophe Dunand
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, Toulouse INP, 24, Chemin de Borde-Rouge, 31320 Auzeville-Tolosane, France; (P.R.); (C.D.)
| | - Luciana Capece
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (INQUIMAE-CONICET), Buenos Aires C1428EGA, Argentina; (M.B.); (L.C.)
| | - Alejandro D. Nadra
- Departamento de Fisiología, Biología Molecular y Celular, Instituto de Biociencias, Biotecnología y Biología Traslacional (iB3). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires C1428EGA, Argentina; (A.A.A.); (A.D.N.)
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (IQUIBICEN-CONICET), Ciudad Universitaria, Buenos Aires C1428EGA, Argentina
| | - Michael Held
- Department of Chemistry and Biochemistry, Ohio University, Athens, OH 45701, USA; (J.W.M.-E.); (M.H.)
| | - Marisa S. Otegui
- Laboratory of Cell and Molecular Biology, University of Wisconsin, Madison and Center for Quantitative Cell Imaging, University of Wisconsin, Madison, WI 53706, USA; (J.P.); (J.P.-V.); (M.S.O.)
- Departments of Botany and Genetics, University of Wisconsin, Madison, WI 53706, USA
| | - José M. Estevez
- Fundación Instituto Leloir and IIBBA-CONICET. Av. Patricias Argentinas 435, Buenos Aires C1405BWE, Argentina; (E.M.); (C.B.); (M.C.S.); (J.M.P.); (D.R.R.-G.); (Y.d.C.R.G.); (J.M.P.); (S.M.)
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello Santiago, Santiago 8370146, Chile
- ANID—Millennium Science Initiative Program—Millennium Institute for Integrative Biology (iBio) and Millennium Nucleus for the Development of Super Adaptable Plants (MN-SAP), Santiago 8370146, Chile
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9
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Pacheco JM, Ranocha P, Kasulin L, Fusari CM, Servi L, Aptekmann AA, Gabarain VB, Peralta JM, Borassi C, Marzol E, Rodríguez-Garcia DR, del Carmen Rondón Guerrero Y, Sardoy MC, Ferrero L, Botto JF, Meneses C, Ariel F, Nadra AD, Petrillo E, Dunand C, Estevez JM. Apoplastic class III peroxidases PRX62 and PRX69 promote Arabidopsis root hair growth at low temperature. Nat Commun 2022; 13:1310. [PMID: 35288564 PMCID: PMC8921275 DOI: 10.1038/s41467-022-28833-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 02/04/2022] [Indexed: 12/15/2022] Open
Abstract
AbstractRoot Hairs (RHs) growth is influenced by endogenous and by external environmental signals that coordinately regulate its final cell size. We have recently determined that RH growth was unexpectedly boosted when Arabidopsis thaliana seedlings are cultivated at low temperatures. It was proposed that RH growth plasticity in response to low temperature was linked to a reduced nutrient availability in the media. Here, we explore the molecular basis of this RH growth response by using a Genome Wide Association Study (GWAS) approach using Arabidopsis thaliana natural accessions. We identify the poorly characterized PEROXIDASE 62 (PRX62) and a related protein PRX69 as key proteins under moderate low temperature stress. Strikingly, a cell wall protein extensin (EXT) reporter reveals the effect of peroxidase activity on EXT cell wall association at 10 °C in the RH apical zone. Collectively, our results indicate that PRX62, and to a lesser extent PRX69, are key apoplastic PRXs that modulate ROS-homeostasis and cell wall EXT-insolubilization linked to RH elongation at low temperature.
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10
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Pacheco JM, Mansilla N, Moison M, Lucero L, Gabarain VB, Ariel F, Estevez JM. The lncRNA APOLO and the transcription factor WRKY42 target common cell wall EXTENSIN encoding genes to trigger root hair cell elongation. PLANT SIGNALING & BEHAVIOR 2021; 16:1920191. [PMID: 33944666 PMCID: PMC8244768 DOI: 10.1080/15592324.2021.1920191] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Plant long noncoding RNAs (lncRNAs) are key chromatin dynamics regulators, directing the transcriptional programs driving a wide variety of developmental outputs. Recently, we uncovered how the lncRNA AUXIN REGULATED PROMOTER LOOP (APOLO) directly recognizes the locus encoding the root hair (RH) master regulator ROOT HAIR DEFECTIVE 6 (RHD6) modulating its transcriptional activation and leading to low temperature-induced RH elongation. We further demonstrated that APOLO interacts with the transcription factor WRKY42 in a novel ribonucleoprotein complex shaping RHD6 epigenetic environment and integrating signals governing RH growth and development. In this work, we expand this model showing that APOLO is able to bind and positively control the expression of several cell wall EXTENSIN (EXT) encoding genes, including EXT3, a key regulator for RH growth. Interestingly, EXT3 emerged as a novel common target of APOLO and WRKY42. Furthermore, we showed that the ROS homeostasis-related gene NADPH OXIDASE C (NOXC) is deregulated upon APOLO overexpression, likely through the RHD6-RSL4 pathway, and that NOXC is required for low temperature-dependent enhancement of RH growth. Collectively, our results uncover an intricate regulatory network involving the APOLO/WRKY42 hub in the control of master and effector genes during RH development.
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Affiliation(s)
| | - Natanael Mansilla
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Paraje El Pozo, Santa Fe, Argentina
| | - Michaël Moison
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Paraje El Pozo, Santa Fe, Argentina
| | - Leandro Lucero
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Paraje El Pozo, Santa Fe, Argentina
| | | | - Federico Ariel
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Paraje El Pozo, Santa Fe, Argentina
- CONTACT Federico Ariel Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Colectora Ruta Nacional No 168km. 0, Paraje El Pozo, Santa Fe3000, Argentina
| | - José M. Estevez
- Fundación Instituto Leloir and IIBBA-CONICET, Buenos Aires, CP, Argentina
- Centro de Biotecnología Vegetal (CBV), Facultad de Ciencias de la Vida (Fcsv), Universidad Andres Bello and Millennium Institute for Integrative Biology (Ibio), Santiago, Chile
- José M. Estevez Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, CPC1405BWE, Argentina
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11
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Moison M, Pacheco JM, Lucero L, Fonouni-Farde C, Rodríguez-Melo J, Mansilla N, Christ A, Bazin J, Benhamed M, Ibañez F, Crespi M, Estevez JM, Ariel F. The lncRNA APOLO interacts with the transcription factor WRKY42 to trigger root hair cell expansion in response to cold. MOLECULAR PLANT 2021; 14:937-948. [PMID: 33689931 DOI: 10.1016/j.molp.2021.03.008] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 02/08/2021] [Accepted: 03/03/2021] [Indexed: 05/25/2023]
Abstract
Plant long noncoding RNAs (lncRNAs) have emerged as important regulators of chromatin dynamics, impacting on transcriptional programs leading to different developmental outputs. The lncRNA AUXIN-REGULATED PROMOTER LOOP (APOLO) directly recognizes multiple independent loci across the Arabidopsis genome and modulates their three-dimensional chromatin conformation, leading to transcriptional shifts. Here, we show that APOLO recognizes the locus encoding the root hair (RH) master regulator ROOT HAIR DEFECTIVE 6 (RHD6) and controls RHD6 transcriptional activity, leading to cold-enhanced RH elongation through the consequent activation of the transcription factor gene RHD6-like RSL4. Furthermore, we demonstrate that APOLO interacts with the transcription factor WRKY42 and modulates its binding to the RHD6 promoter. WRKY42 is required for the activation of RHD6 by low temperatures and WRKY42 deregulation impairs cold-induced RH expansion. Collectively, our results indicate that a novel ribonucleoprotein complex with APOLO and WRKY42 forms a regulatory hub to activate RHD6 by shaping its epigenetic environment and integrate signals governing RH growth and development.
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Affiliation(s)
- Michaël Moison
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Colectora Ruta Nacional No 168 km. 0, Paraje El Pozo, Santa Fe 3000, Argentina
| | - Javier Martínez Pacheco
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires CP C1405BWE, Argentina
| | - Leandro Lucero
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Colectora Ruta Nacional No 168 km. 0, Paraje El Pozo, Santa Fe 3000, Argentina
| | - Camille Fonouni-Farde
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Colectora Ruta Nacional No 168 km. 0, Paraje El Pozo, Santa Fe 3000, Argentina
| | - Johan Rodríguez-Melo
- Instituto de Investigaciones Agrobiotecnológicas, CONICET, Universidad Nacional de Río Cuarto, Río Cuarto 5800, Argentina
| | - Natanael Mansilla
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Colectora Ruta Nacional No 168 km. 0, Paraje El Pozo, Santa Fe 3000, Argentina
| | - Aurélie Christ
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, University Paris-Saclay and University of Paris Bâtiment 630, 91192 Gif sur Yvette, France
| | - Jérémie Bazin
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, University Paris-Saclay and University of Paris Bâtiment 630, 91192 Gif sur Yvette, France
| | - Moussa Benhamed
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, University Paris-Saclay and University of Paris Bâtiment 630, 91192 Gif sur Yvette, France
| | - Fernando Ibañez
- Instituto de Investigaciones Agrobiotecnológicas, CONICET, Universidad Nacional de Río Cuarto, Río Cuarto 5800, Argentina
| | - Martin Crespi
- Institute of Plant Sciences Paris-Saclay (IPS2), CNRS, INRA, University Paris-Saclay and University of Paris Bâtiment 630, 91192 Gif sur Yvette, France
| | - José M Estevez
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires CP C1405BWE, Argentina; Centro de Biotecnología Vegetal (CBV), Facultad de Ciencias de la Vida (FCsV), Universidad Andres Bello, Santiago, Chile and Millennium Institute for Integrative Biology (iBio), Santiago, Chile.
| | - Federico Ariel
- Instituto de Agrobiotecnología del Litoral, Universidad Nacional del Litoral, CONICET, FBCB/FHUC, Centro Científico Tecnológico CONICET Santa Fe, Colectora Ruta Nacional No 168 km. 0, Paraje El Pozo, Santa Fe 3000, Argentina.
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12
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Castilleux R, Plancot B, Vicré M, Nguema-Ona E, Driouich A. Extensin, an underestimated key component of cell wall defence? ANNALS OF BOTANY 2021; 127:709-713. [PMID: 33723574 PMCID: PMC8103801 DOI: 10.1093/aob/mcab001] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 01/06/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND Extensins are plant cell wall hydroxyproline-rich glycoproteins known to be involved in cell wall reinforcement in higher plants, and in defence against pathogen attacks. The ability of extensins to form intra- and intermolecular cross-links is directly related to their role in cell wall reinforcement. Formation of such cross-links requires appropriate glycosylation and structural conformation of the glycoprotein. SCOPE Although the role of cell wall components in plant defence has drawn increasing interest over recent years, relatively little focus has been dedicated to extensins. Nevertheless, new insights were recently provided regarding the structure and the role of extensins and their glycosylation in plant-microbe interactions, stimulating an interesting debate from fellow cell wall community experts. We have previously revealed a distinct distribution of extensin epitopes in Arabidopsis thaliana wild-type roots and in mutants impaired in extensin arabinosylation, in response to elicitation with flagellin 22. That study was recently debated in a Commentary by Tan and Mort (Tan L, Mort A. 2020. Extensins at the front line of plant defence. A commentary on: 'Extensin arabinosylation is involved in root response to elicitors and limits oomycete colonization'. Annals of Botany 125: vii-viii) and several points regarding our results were discussed. As a response, we herein clarify the points raised by Tan and Mort, and update the possible epitope structure recognized by the anti-extensin monoclonal antibodies. We also provide additional data showing differential distribution of LM1 extensin epitopes in roots between a mutant defective in PEROXIDASES 33 and 34 and the wild type, similarly to previous observations from the rra2 mutant defective in extensin arabinosylation. We propose these two peroxidases as potential candidates to specifically catalyse the cross-linking of extensins within the cell wall. CONCLUSIONS Extensins play a major role within the cell wall to ensure root protection. The cross-linking of extensins, which requires correct glycosylation and specific peroxidases, is most likely to result in modulation of cell wall architecture that allows enhanced protection of root cells against invading pathogens. Study of the relationship between extensin glycosylation and their cross-linking is a very promising approach to further understand how the cell wall influences root immunity.
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Affiliation(s)
- Romain Castilleux
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, Umeå, Sweden
- Normandie Université, Laboratoire Glycobiologie et Matrice Extracellulaire Végétale (Glyco-MEV) EA 4358, Fédération de Recherche Normandie Végétal FED 4277, Université de Rouen, Rouen, France
| | - Barbara Plancot
- Normandie Université, Laboratoire Glycobiologie et Matrice Extracellulaire Végétale (Glyco-MEV) EA 4358, Fédération de Recherche Normandie Végétal FED 4277, Université de Rouen, Rouen, France
- Aix Marseille Univ, CEA, CNRS, BIAM, Laboratory of Microbial Ecology of the Rhizosphere, Saint Paul-Lez-Durance, France
| | - Maité Vicré
- Normandie Université, Laboratoire Glycobiologie et Matrice Extracellulaire Végétale (Glyco-MEV) EA 4358, Fédération de Recherche Normandie Végétal FED 4277, Université de Rouen, Rouen, France
| | - Eric Nguema-Ona
- Centre Mondial de l’Innovation Roullier, Laboratoire de Nutrition Végétale–Pôle Stress Biotiques, 18 avenue Franklin Roosevelt, Saint Malo, France
| | - Azeddine Driouich
- Normandie Université, Laboratoire Glycobiologie et Matrice Extracellulaire Végétale (Glyco-MEV) EA 4358, Fédération de Recherche Normandie Végétal FED 4277, Université de Rouen, Rouen, France
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13
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Petersen BL, MacAlister CA, Ulvskov P. Plant Protein O-Arabinosylation. FRONTIERS IN PLANT SCIENCE 2021; 12:645219. [PMID: 33815452 PMCID: PMC8012813 DOI: 10.3389/fpls.2021.645219] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 02/22/2021] [Indexed: 05/26/2023]
Abstract
A wide range of proteins with diverse functions in development, defense, and stress responses are O-arabinosylated at hydroxyprolines (Hyps) within distinct amino acid motifs of continuous stretches of Hyps, as found in the structural cell wall extensins, or at non-continuous Hyps as, for example, found in small peptide hormones and a variety of plasma membrane proteins involved in signaling. Plant O-glycosylation relies on hydroxylation of Prolines to Hyps in the protein backbone, mediated by prolyl-4-hydroxylase (P4H) which is followed by O-glycosylation of the Hyp C4-OH group by either galactosyltransferases (GalTs) or arabinofuranosyltranferases (ArafTs) yielding either Hyp-galactosylation or Hyp-arabinosylation. A subset of the P4H enzymes with putative preference to hydroxylation of continuous prolines and presumably all ArafT enzymes needed for synthesis of the substituted arabinose chains of one to four arabinose units, have been identified and functionally characterized. Truncated root-hair phenotype is one common denominator of mutants of Hyp formation and Hyp-arabinosylation glycogenes, which act on diverse groups of O-glycosylated proteins, e.g., the small peptide hormones and cell wall extensins. Dissection of different substrate derived effects may not be regularly feasible and thus complicate translation from genotype to phenotype. Recently, lack of proper arabinosylation on arabinosylated proteins has been shown to influence their transport/fate in the secretory pathway, hinting to an additional layer of functionality of O-arabinosylation. Here, we provide an update on the prevalence and types of O-arabinosylated proteins and the enzymatic machinery responsible for their modifications.
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Affiliation(s)
- Bent Larsen Petersen
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Cora A. MacAlister
- Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Peter Ulvskov
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
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14
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Strasser R, Seifert G, Doblin MS, Johnson KL, Ruprecht C, Pfrengle F, Bacic A, Estevez JM. Cracking the "Sugar Code": A Snapshot of N- and O-Glycosylation Pathways and Functions in Plants Cells. FRONTIERS IN PLANT SCIENCE 2021; 12:640919. [PMID: 33679857 PMCID: PMC7933510 DOI: 10.3389/fpls.2021.640919] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 01/22/2021] [Indexed: 05/04/2023]
Abstract
Glycosylation is a fundamental co-translational and/or post-translational modification process where an attachment of sugars onto either proteins or lipids can alter their biological function, subcellular location and modulate the development and physiology of an organism. Glycosylation is not a template driven process and as such produces a vastly larger array of glycan structures through combinatorial use of enzymes and of repeated common scaffolds and as a consequence it provides a huge expansion of both the proteome and lipidome. While the essential role of N- and O-glycan modifications on mammalian glycoproteins is already well documented, we are just starting to decode their biological functions in plants. Although significant advances have been made in plant glycobiology in the last decades, there are still key challenges impeding progress in the field and, as such, holistic modern high throughput approaches may help to address these conceptual gaps. In this snapshot, we present an update of the most common O- and N-glycan structures present on plant glycoproteins as well as (1) the plant glycosyltransferases (GTs) and glycosyl hydrolases (GHs) responsible for their biosynthesis; (2) a summary of microorganism-derived GHs characterized to cleave specific glycosidic linkages; (3) a summary of the available tools ranging from monoclonal antibodies (mAbs), lectins to chemical probes for the detection of specific sugar moieties within these complex macromolecules; (4) selected examples of N- and O-glycoproteins as well as in their related GTs to illustrate the complexity on their mode of action in plant cell growth and stress responses processes, and finally (5) we present the carbohydrate microarray approach that could revolutionize the way in which unknown plant GTs and GHs are identified and their specificities characterized.
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Affiliation(s)
- Richard Strasser
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Georg Seifert
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Monika S. Doblin
- La Trobe Institute for Agriculture & Food, Department of Animal, Plant & Soil Sciences, La Trobe University, Bundoora, VIC, Australia
- The Sino-Australia Plant Cell Wall Research Centre, Zhejiang Agriculture & Forestry University, Hangzhou, China
| | - Kim L. Johnson
- La Trobe Institute for Agriculture & Food, Department of Animal, Plant & Soil Sciences, La Trobe University, Bundoora, VIC, Australia
- The Sino-Australia Plant Cell Wall Research Centre, Zhejiang Agriculture & Forestry University, Hangzhou, China
| | - Colin Ruprecht
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Fabian Pfrengle
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Antony Bacic
- La Trobe Institute for Agriculture & Food, Department of Animal, Plant & Soil Sciences, La Trobe University, Bundoora, VIC, Australia
- The Sino-Australia Plant Cell Wall Research Centre, Zhejiang Agriculture & Forestry University, Hangzhou, China
| | - José M. Estevez
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Buenos Aires, Argentina
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile
- Millennium Institute for Integrative Biology (iBio), Santiago, Chile
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Hromadová D, Soukup A, Tylová E. Arabinogalactan Proteins in Plant Roots - An Update on Possible Functions. FRONTIERS IN PLANT SCIENCE 2021; 12:674010. [PMID: 34079573 PMCID: PMC8165308 DOI: 10.3389/fpls.2021.674010] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 04/19/2021] [Indexed: 05/05/2023]
Abstract
Responsiveness to environmental conditions and developmental plasticity of root systems are crucial determinants of plant fitness. These processes are interconnected at a cellular level with cell wall properties and cell surface signaling, which involve arabinogalactan proteins (AGPs) as essential components. AGPs are cell-wall localized glycoproteins, often GPI-anchored, which participate in root functions at many levels. They are involved in cell expansion and differentiation, regulation of root growth, interactions with other organisms, and environmental response. Due to the complexity of cell wall functional and regulatory networks, and despite the large amount of experimental data, the exact molecular mechanisms of AGP-action are still largely unknown. This dynamically evolving field of root biology is summarized in the present review.
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16
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Beuder S, Dorchak A, Bhide A, Moeller SR, Petersen BL, MacAlister CA. Exocyst mutants suppress pollen tube growth and cell wall structural defects of hydroxyproline O-arabinosyltransferase mutants. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2020; 103:1399-1419. [PMID: 32391581 PMCID: PMC7496944 DOI: 10.1111/tpj.14808] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/22/2020] [Accepted: 04/28/2020] [Indexed: 05/07/2023]
Abstract
HYDROXYPROLINE O-ARABINOSYLTRANSFERASEs (HPATs) initiate a post-translational protein modification (Hyp-Ara) found abundantly on cell wall structural proteins. In Arabidopsis thaliana, HPAT1 and HPAT3 are redundantly required for full pollen fertility. In addition to the lack of Hyp-Ara in hpat1/3 pollen tubes (PTs), we also found broadly disrupted cell wall polymer distributions, particularly the conversion of the tip cell wall to a more shaft-like state. Mutant PTs were slow growing and prone to rupture and morphological irregularities. In a forward mutagenesis screen for suppressors of the hpat1/3 low seed-set phenotype, we identified a missense mutation in exo70a2, a predicted member of the vesicle-tethering exocyst complex. The suppressed pollen had increased fertility, fewer morphological defects and partially rescued cell wall organization. A transcriptional null allele of exo70a2 also suppressed the hpat1/3 fertility phenotype, as did mutants of core exocyst complex member sec15a, indicating that reduced exocyst function bypassed the PT requirement for Hyp-Ara. In a wild-type background, exo70a2 reduced male transmission efficiency, lowered pollen germination frequency and slowed PT elongation. EXO70A2 also localized to the PT tip plasma membrane, consistent with a role in exocyst-mediated secretion. To monitor the trafficking of Hyp-Ara modified proteins, we generated an HPAT-targeted fluorescent secretion reporter. Reporter secretion was partially dependent on EXO70A2 and was significantly increased in hpat1/3 PTs compared with the wild type, but was reduced in the suppressed exo70a2 hpat1/3 tubes.
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Affiliation(s)
- Steven Beuder
- Department of Molecular, Cellular and Developmental BiologyUniversity of Michigan1105 N. University AveAnn ArborMI48109USA
| | - Alexandria Dorchak
- Department of Molecular, Cellular and Developmental BiologyUniversity of Michigan1105 N. University AveAnn ArborMI48109USA
| | - Ashwini Bhide
- Department of Molecular, Cellular and Developmental BiologyUniversity of Michigan1105 N. University AveAnn ArborMI48109USA
| | - Svenning Rune Moeller
- Department of Plant and Environmental SciencesFaculty of ScienceUniversity of CopenhagenThorvaldsensvej 40København1871 Frederiksberg CDenmark
| | - Bent L. Petersen
- Department of Plant and Environmental SciencesFaculty of ScienceUniversity of CopenhagenThorvaldsensvej 40København1871 Frederiksberg CDenmark
| | - Cora A. MacAlister
- Department of Molecular, Cellular and Developmental BiologyUniversity of Michigan1105 N. University AveAnn ArborMI48109USA
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17
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Borassi C, Gloazzo Dorosz J, Ricardi MM, Carignani Sardoy M, Pol Fachin L, Marzol E, Mangano S, Rodríguez Garcia DR, Martínez Pacheco J, Rondón Guerrero YDC, Velasquez SM, Villavicencio B, Ciancia M, Seifert G, Verli H, Estevez JM. A cell surface arabinogalactan-peptide influences root hair cell fate. THE NEW PHYTOLOGIST 2020; 227:732-743. [PMID: 32064614 DOI: 10.1111/nph.16487] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 02/12/2020] [Indexed: 05/20/2023]
Abstract
Root hairs (RHs) develop from specialized epidermal trichoblast cells, whereas epidermal cells that lack RHs are known as atrichoblasts. The mechanism controlling RH cell fate is only partially understood. RH cell fate is regulated by a transcription factor complex that promotes the expression of the homeodomain protein GLABRA 2 (GL2), which blocks RH development by inhibiting ROOT HAIR DEFECTIVE 6 (RHD6). Suppression of GL2 expression activates RHD6, a series of downstream TFs including ROOT HAIR DEFECTIVE 6 LIKE-4 (RSL4) and their target genes, and causes epidermal cells to develop into RHs. Brassinosteroids (BRs) influence RH cell fate. In the absence of BRs, phosphorylated BIN2 (a Type-II GSK3-like kinase) inhibits a protein complex that regulates GL2 expression. Perturbation of the arabinogalactan peptide (AGP21) in Arabidopsis thaliana triggers aberrant RH development, similar to that observed in plants with defective BR signaling. We reveal that an O-glycosylated AGP21 peptide, which is positively regulated by BZR1, a transcription factor activated by BR signaling, affects RH cell fate by altering GL2 expression in a BIN2-dependent manner. Changes in cell surface AGP disrupts BR responses and inhibits the downstream effect of BIN2 on the RH repressor GL2 in root epidermis.
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Affiliation(s)
- Cecilia Borassi
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | - Javier Gloazzo Dorosz
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | - Martiniano M Ricardi
- Departamento de Fisiología y Biología Molecular y Celular (FBMC), Facultad de Ciencias Exactas y Naturales, Instituto de Fisiología, Biología Molecular y Neurociencias (IFIByNE-CONICET), Universidad de Buenos Aires, CP C1405BWE, Buenos Aires, C1428EGA, Argentina
| | - Mariana Carignani Sardoy
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | | | - Eliana Marzol
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | - Silvina Mangano
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | | | - Javier Martínez Pacheco
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | | | - Silvia M Velasquez
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
| | - Bianca Villavicencio
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, CP 15005, Porto Alegre, 91500-970 RS, Brazil
| | - Marina Ciancia
- Departamento de Biología Aplicada y Alimentos, Facultad de Agronomía, Cátedra de Química de Biomoléculas, Universidad de Buenos Aires, Buenos Aires, Argentina
- Centro de Investigación de Hidratos de Carbono (CIHIDECAR), CONICET-Universidad de Buenos Aires, C1428EGA, Buenos Aires, Argentina
| | - Georg Seifert
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Science, BOKU Vienna, Muthgasse 11, A-1190, Vienna, Austria
| | - Hugo Verli
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, CP 15005, Porto Alegre, 91500-970 RS, Brazil
| | - José M Estevez
- Fundación Instituto Leloir and IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, Argentina
- Centro de Biotecnología Vegetal (CBV), Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, 8370186, Chile
- Millennium Institute for Integrative Biology (iBio), Santiago, 8331150, Chile
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18
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Castilleux R, Plancot B, Gügi B, Attard A, Loutelier-Bourhis C, Lefranc B, Nguema-Ona E, Arkoun M, Yvin JC, Driouich A, Vicré M. Extensin arabinosylation is involved in root response to elicitors and limits oomycete colonization. ANNALS OF BOTANY 2020; 125:751-763. [PMID: 31242281 PMCID: PMC7182588 DOI: 10.1093/aob/mcz068] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 04/23/2019] [Indexed: 05/20/2023]
Abstract
BACKGROUND AND AIMS Extensins are hydroxyproline-rich glycoproteins thought to strengthen the plant cell wall, one of the first barriers against pathogens, through intra- and intermolecular cross-links. The glycan moiety of extensins is believed to confer the correct structural conformation to the glycoprotein, leading to self-assembly within the cell wall that helps limit microbial adherence and invasion. However, this role is not clearly established. METHODS We used Arabidopsis thaliana mutants impaired in extensin arabinosylation to investigate the role of extensin arabinosylation in root-microbe interactions. Mutant and wild-type roots were stimulated to elicit an immune response with flagellin 22 and immunolabelled with a set of anti-extensin antibodies. Roots were also inoculated with a soilborne oomycete, Phytophthora parasitica, to assess the effect of extensin arabinosylation on root colonization. KEY RESULTS A differential distribution of extensin epitopes was observed in wild-type plants in response to elicitation. Elicitation also triggers altered epitope expression in mutant roots compared with wild-type and non-elicited roots. Inoculation with the pathogen P. parasitica resulted in enhanced root colonization for two mutants, specifically xeg113 and rra2. CONCLUSIONS We provide evidence for a link between extensin arabinosylation and root defence, and propose a model to explain the importance of glycosylation in limiting invasion of root cells by pathogenic oomycetes.
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Affiliation(s)
- Romain Castilleux
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche ‘Normandie Végétal’ FED, Rouen, France
| | - Barbara Plancot
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche ‘Normandie Végétal’ FED, Rouen, France
| | - Bruno Gügi
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche ‘Normandie Végétal’ FED, Rouen, France
| | | | - Corinne Loutelier-Bourhis
- IRCOF COBRA, UMR6014 and FR3038, CNRS, Université de Rouen Normandie, Mont-Saint-Aignan Cedex, France
| | - Benjamin Lefranc
- INSERM U1239, Différenciation et Communication Neuronale et Neuroendocrine, Normandie Université, Rouen, France
| | - Eric Nguema-Ona
- Centre Mondial de l’Innovation, Groupe Roullier, Saint Malo Cédex, France
| | - Mustapha Arkoun
- Centre Mondial de l’Innovation, Groupe Roullier, Saint Malo Cédex, France
| | - Jean-Claude Yvin
- Centre Mondial de l’Innovation, Groupe Roullier, Saint Malo Cédex, France
| | - Azeddine Driouich
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche ‘Normandie Végétal’ FED, Rouen, France
| | - Maïté Vicré
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche ‘Normandie Végétal’ FED, Rouen, France
- For correspondence. E-mail
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19
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Mathieu-Rivet E, Mati-Baouche N, Walet-Balieu ML, Lerouge P, Bardor M. N- and O-Glycosylation Pathways in the Microalgae Polyphyletic Group. FRONTIERS IN PLANT SCIENCE 2020; 11:609993. [PMID: 33391324 PMCID: PMC7773692 DOI: 10.3389/fpls.2020.609993] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/23/2020] [Indexed: 05/15/2023]
Abstract
The term microalga refers to various unicellular and photosynthetic organisms representing a polyphyletic group. It gathers numerous species, which can be found in cyanobacteria (i.e., Arthrospira) as well as in distinct eukaryotic groups, such as Chlorophytes (i.e., Chlamydomonas or Chlorella) and Heterokonts (i.e., diatoms). This phylogenetic diversity results in an extraordinary variety of metabolic pathways, offering large possibilities for the production of natural compounds like pigments or lipids that can explain the ever-growing interest of industrials for these organisms since the middle of the last century. More recently, several species have received particular attention as biofactories for the production of recombinant proteins. Indeed, microalgae are easy to grow, safe and cheap making them attractive alternatives as heterologous expression systems. In this last scope of applications, the glycosylation capacity of these organisms must be considered as this post-translational modification of proteins impacts their structural and biological features. Although these mechanisms are well known in various Eukaryotes like mammals, plants or insects, only a few studies have been undertaken for the investigation of the protein glycosylation in microalgae. Recently, significant progresses have been made especially regarding protein N-glycosylation, while O-glycosylation remain poorly known. This review aims at summarizing the recent data in order to assess the state-of-the art knowledge in glycosylation processing in microalgae.
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Affiliation(s)
| | | | | | - Patrice Lerouge
- UNIROUEN, Laboratoire Glyco-MEV EA4358, Normandie Université, Rouen, France
| | - Muriel Bardor
- UNIROUEN, Laboratoire Glyco-MEV EA4358, Normandie Université, Rouen, France
- Unité de Glycobiologie Structurale et Fonctionnelle (UGSF), UMR 8576, CNRS, Université de Lille, Lille, France
- *Correspondence: Muriel Bardor,
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20
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Guo X, Hansen BØ, Moeller SR, Harholt J, Mravec J, Willats W, Petersen BL, Ulvskov P. Extensin arabinoside chain length is modulated in elongating cotton fibre. Cell Surf 2019; 5:100033. [PMID: 32743148 PMCID: PMC7388976 DOI: 10.1016/j.tcsw.2019.100033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 09/18/2019] [Accepted: 10/23/2019] [Indexed: 01/02/2023] Open
Abstract
Cotton fibre provides a unicellular model system for studying cell expansion and secondary cell wall deposition. Mature cotton fibres are mainly composed of cellulose while the walls of developing fibre cells contain a variety of polysaccharides and proteoglycans required for cell expansion. This includes hydroxyproline-rich glycoproteins (HRGPs) comprising the subgroup, extensins. In this study, extensin occurrence in cotton fibres was assessed using carbohydrate immunomicroarrays, mass spectrometry and monosaccharide profiling. Extensin amounts in three species appeared to correlate with fibre quality. Fibre cell expression profiling of the four cotton cultivars, combined with extensin arabinoside chain length measurements during fibre development, demonstrated that arabinoside side-chain length is modulated during development. Implications and mechanisms of extensin side-chain length dynamics during development are discussed.
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Key Words
- AGPs, arabinogalactan proteins
- CoMPP
- CoMPP, comprehensive microarray polymer profiling
- Cotton fibre
- Cotton fibre quality
- CrRLK1L, Catharanthus roseus receptor-like1-like kinase
- DPA, days post anthesis
- EXTs, extensins
- ExAD, arabinosyltransferase named after the mutant Extensin Arabinose Deficient
- Extensin arabinoside metabolism
- GH, glycoside hydrolase
- HPAT, hydroxyproline arabinosyltransferase
- HRGP
- HRGPs, hydroxyproline-rich glycoproteins
- Hyp-Aran, extensin side-chain of length n
- LRX, leucine-rich repeat extensins
- PCW, primary cell wall
- RRA, arabinosyltransferase named after the mutant Reduced Residual Arabinose
- SCW, secondary cell wall
- SGT, serine galactosyltransferase
- Transcriptomics
- XEG113, arabinosyltransferase named after the mutant Xyloglucan Endo-Glucanase resistant mutant 113
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Affiliation(s)
- Xiaoyuan Guo
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - Bjørn Øst Hansen
- Max Planck Institute of Molecular Plant Physiology, Am Muehlenberg 1, Potsdam 14476, Germany
| | - Svenning Rune Moeller
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - Jesper Harholt
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - Jozef Mravec
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - William Willats
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - Bent Larsen Petersen
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
| | - Peter Ulvskov
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg C, Denmark
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Perrakis A, Bita CE, Arhondakis S, Krokida A, Mekkaoui K, Denic D, Blazakis KN, Kaloudas D, Kalaitzis P. Suppression of a Prolyl 4 Hydroxylase Results in Delayed Abscission of Overripe Tomato Fruits. FRONTIERS IN PLANT SCIENCE 2019; 10:348. [PMID: 30984217 PMCID: PMC6447859 DOI: 10.3389/fpls.2019.00348] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 03/07/2019] [Indexed: 05/03/2023]
Abstract
The tomato pedicel abscission zone (AZ) is considered a model system for flower and fruit abscission development, activation, and progression. O-glycosylated proteins such as the Arabidopsis IDA (INFLORESCENCE DEFICIENT IN ABSCISSION) peptide and Arabinogalactan proteins (AGPs) which undergo proline hydroxylation were demonstrated to participate in abscission regulation. Considering that the frequency of occurrence of proline hydroxylation might determine the structure as well the function of such proteins, the expression of a tomato prolyl 4 hydroxylase, SlP4H3 (Solanum lycopersicum Prolyl 4 Hydroxylase 3) was suppressed in order to investigate the physiological significance of this post-translational modification in tomato abscission. Silencing of SlP4H3 resulted in the delay of abscission progression in overripe tomato fruits 90 days after the breaker stage. The cause of this delay was attributed to the downregulation of the expression of cell wall hydrolases such as SlTAPGs (tomato abscission polygalacturonases) and cellulases as well as expansins. In addition, minor changes were observed in the mRNA levels of two SlAGPs and one extensin. Moreover, structural changes were observed in the silenced SlP4H3AZs. The fracture plane of the AZ was curved and not along a line as in wild type and there was a lack of lignin deposition in the AZs of overripe fruits 30 days after breaker. These results suggest that proline hydroxylation might play a role in the regulation of tomato pedicel abscission.
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Dehors J, Mareck A, Kiefer-Meyer MC, Menu-Bouaouiche L, Lehner A, Mollet JC. Evolution of Cell Wall Polymers in Tip-Growing Land Plant Gametophytes: Composition, Distribution, Functional Aspects and Their Remodeling. FRONTIERS IN PLANT SCIENCE 2019; 10:441. [PMID: 31057570 PMCID: PMC6482432 DOI: 10.3389/fpls.2019.00441] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/22/2019] [Indexed: 05/22/2023]
Abstract
During evolution of land plants, the first colonizing species presented leafy-dominant gametophytes, found in non-vascular plants (bryophytes). Today, bryophytes include liverworts, mosses, and hornworts. In the first seedless vascular plants (lycophytes), the sporophytic stage of life started to be predominant. In the seed producing plants, gymnosperms and angiosperms , the gametophytic stage is restricted to reproduction. In mosses and ferns, the haploid spores germinate and form a protonema, which develops into a leafy gametophyte producing rhizoids for anchorage, water and nutrient uptakes. The basal gymnosperms (cycads and Ginkgo) reproduce by zooidogamy. Their pollen grains develop a multi-branched pollen tube that penetrates the nucellus and releases flagellated sperm cells that swim to the egg cell. The pollen grain of other gymnosperms (conifers and gnetophytes) as well as angiosperms germinates and produces a pollen tube that directly delivers the sperm cells to the ovule (siphonogamy). These different gametophytes, which are short or long-lived structures, share a common tip-growing mode of cell expansion. Tip-growth requires a massive cell wall deposition to promote cell elongation, but also a tight spatial and temporal control of the cell wall remodeling in order to modulate the mechanical properties of the cell wall. The growth rate of these cells is very variable depending on the structure and the species, ranging from very slow (protonemata, rhizoids, and some gymnosperm pollen tubes), to a slow to fast-growth in other gymnosperms and angiosperms. In addition, the structural diversity of the female counterparts in angiosperms (dry, semi-dry vs wet stigmas, short vs long, solid vs hollow styles) will impact the speed and efficiency of sperm delivery. As the evolution and diversity of the cell wall polysaccharides accompanied the diversification of cell wall structural proteins and remodeling enzymes, this review focuses on our current knowledge on the biochemistry, the distribution and remodeling of the main cell wall polymers (including cellulose, hemicelluloses, pectins, callose, arabinogalactan-proteins and extensins), during the tip-expansion of gametophytes from bryophytes, pteridophytes (lycophytes and monilophytes), gymnosperms and the monocot and eudicot angiosperms.
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23
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Castilleux R, Plancot B, Ropitaux M, Carreras A, Leprince J, Boulogne I, Follet-Gueye ML, Popper ZA, Driouich A, Vicré M. Cell wall extensins in root-microbe interactions and root secretions. JOURNAL OF EXPERIMENTAL BOTANY 2018; 69:4235-4247. [PMID: 29945246 DOI: 10.1093/jxb/ery238] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 06/18/2018] [Indexed: 05/27/2023]
Abstract
Extensins are cell wall glycoproteins, belonging to the hydroxyproline-rich glycoprotein (HRGP) family, which are involved in many biological functions, including plant growth and defence. Several reviews have described the involvement of HRGPs in plant immunity but little focus has been given specifically to cell wall extensins. Yet, a large set of recently published data indicates that extensins play an important role in plant protection, especially in root-microbe interactions. Here, we summarise the current knowledge on this topic and discuss the importance of extensins in root defence. We first provide an overview of the distribution of extensin epitopes recognised by different monoclonal antibodies among plants and discuss the relevance of some of these epitopes as markers of the root defence response. We also highlight the implication of extensins in different types of plant interactions elicited by either pathogenic or beneficial micro-organisms. We then present and discuss the specific importance of extensins in root secretions, as these glycoproteins are not only found in the cell walls but are also released into the root mucilage. Finally, we propose a model to illustrate the impact of cell wall extensin on root secretions.
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Affiliation(s)
- Romain Castilleux
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
| | - Barbara Plancot
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
| | - Marc Ropitaux
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
| | - Alexis Carreras
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
| | - Jérôme Leprince
- INSERM U1239, Différenciation et Communication Neuronale et Neuroendocrine, Normandie Université, Rouen, France
| | - Isabelle Boulogne
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
| | - Marie-Laure Follet-Gueye
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
| | - Zoë A Popper
- Botany and Plant Science and The Ryan Institute for Environmental, Marine and Energy Research, School of Natural Sciences, National University of Ireland Galway, Galway, Ireland
| | - Azeddine Driouich
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
| | - Maïté Vicré
- Normandie Université, UNIROUEN, Laboratoire Glyco-MEV EA 4358, Fédération de Recherche "Normandie Végétal" FED, Rouen, France
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Mangano S, Martínez Pacheco J, Marino-Buslje C, Estevez JM. How Does pH Fit in with Oscillating Polar Growth? TRENDS IN PLANT SCIENCE 2018; 23:479-489. [PMID: 29605100 DOI: 10.1016/j.tplants.2018.02.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/08/2018] [Accepted: 02/23/2018] [Indexed: 05/22/2023]
Abstract
Polar growth in root hairs and pollen tubes is an excellent model for investigating plant cell size regulation. While linear plant growth is historically explained by the acid growth theory, which considers that auxin triggers apoplastic acidification by activating plasma membrane P-type H+-ATPases (AHAs) along with cell wall relaxation over long periods, the apoplastic pH (apopH) regulatory mechanisms are unknown for polar growth. Polar growth is a fast process mediated by rapid oscillations that repeat every ∼20-40s. In this review, we explore a reactive oxygen species (ROS)-dependent mechanism that could generate oscillating apopH gradients in a coordinated manner with growth and Ca2+ oscillations. We propose possible mechanisms by which apopH oscillations are coordinated with polar growth together with ROS and Ca2+ waves.
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Affiliation(s)
- Silvina Mangano
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Av. Patricias Argentinas 435, Buenos Aires CP C1405BWE, Argentina; These authors contributed equally to this work
| | - Javier Martínez Pacheco
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Av. Patricias Argentinas 435, Buenos Aires CP C1405BWE, Argentina; Department of Genetics and Phytopathology, Biological Research Division, Tobacco Research Institute, Carretera Tumbadero, 8 1/2 km, San Antonio de los Baños, Artemisa, Cuba; These authors contributed equally to this work
| | - Cristina Marino-Buslje
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Av. Patricias Argentinas 435, Buenos Aires CP C1405BWE, Argentina
| | - José M Estevez
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Av. Patricias Argentinas 435, Buenos Aires CP C1405BWE, Argentina.
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25
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Marzol E, Borassi C, Bringas M, Sede A, Rodríguez Garcia DR, Capece L, Estevez JM. Filling the Gaps to Solve the Extensin Puzzle. MOLECULAR PLANT 2018; 11:645-658. [PMID: 29530817 DOI: 10.1016/j.molp.2018.03.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/28/2018] [Accepted: 03/04/2018] [Indexed: 05/20/2023]
Abstract
Extensins (EXTs) are highly repetitive plant O-glycoproteins that require several post-translational modifications (PTMs) to become functional in plant cell walls. First, they are hydroxylated on contiguous proline residues; then they are O-glycosylated on hydroxyproline and serine. After secretion into the apoplast, O-glycosylated EXTs form a tridimensional network organized by inter- and intra-Tyr linkages. Recent studies have made significant progress in the identification of the enzymatic machinery required to process EXTs, which includes prolyl 4-hydroxylases, glycosyltransferases, papain-type cysteine endopeptidases, and peroxidases. EXTs are abundant in plant tissues and are particularly important in rapidly expanding root hairs and pollen tubes, which grow in a polar manner. Small changes in EXT PTMs affect fast-growing cells, although the molecular mechanisms underlying this regulation are unknown. In this review, we highlight recent advances in our understanding of EXT modifications throughout the secretory pathway, EXT assembly in cell walls, and possible sensing mechanisms involving the Catharanthus roseus cell surface sensor receptor-like kinases located at the interface between the apoplast and the cytoplasmic side of the plasma membrane.
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Affiliation(s)
- Eliana Marzol
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Avenida Patricias Argentinas 435, Buenos Aires, CP C1405BWE, Argentina
| | - Cecilia Borassi
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Avenida Patricias Argentinas 435, Buenos Aires, CP C1405BWE, Argentina
| | - Mauro Bringas
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (INQUIMAE-CONICET), Buenos Aires, CP C1428EGA, Argentina
| | - Ana Sede
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Avenida Patricias Argentinas 435, Buenos Aires, CP C1405BWE, Argentina; Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
| | - Diana Rosa Rodríguez Garcia
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Avenida Patricias Argentinas 435, Buenos Aires, CP C1405BWE, Argentina
| | - Luciana Capece
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires (INQUIMAE-CONICET), Buenos Aires, CP C1428EGA, Argentina
| | - Jose M Estevez
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Avenida Patricias Argentinas 435, Buenos Aires, CP C1405BWE, Argentina.
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26
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Johnson KL, Cassin AM, Lonsdale A, Bacic A, Doblin MS, Schultz CJ. Pipeline to Identify Hydroxyproline-Rich Glycoproteins. PLANT PHYSIOLOGY 2017; 174:886-903. [PMID: 28446635 PMCID: PMC5462032 DOI: 10.1104/pp.17.00294] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 04/21/2017] [Indexed: 05/14/2023]
Abstract
Intrinsically disordered proteins (IDPs) are functional proteins that lack a well-defined three-dimensional structure. The study of IDPs is a rapidly growing area as the crucial biological functions of more of these proteins are uncovered. In plants, IDPs are implicated in plant stress responses, signaling, and regulatory processes. A superfamily of cell wall proteins, the hydroxyproline-rich glycoproteins (HRGPs), have characteristic features of IDPs. Their protein backbones are rich in the disordering amino acid proline, they contain repeated sequence motifs and extensive posttranslational modifications (glycosylation), and they have been implicated in many biological functions. HRGPs are evolutionarily ancient, having been isolated from the protein-rich walls of chlorophyte algae to the cellulose-rich walls of embryophytes. Examination of HRGPs in a range of plant species should provide valuable insights into how they have evolved. Commonly divided into the arabinogalactan proteins, extensins, and proline-rich proteins, in reality, a continuum of structures exists within this diverse and heterogenous superfamily. An inability to accurately classify HRGPs leads to inconsistent gene ontologies limiting the identification of HRGP classes in existing and emerging omics data sets. We present a novel and robust motif and amino acid bias (MAAB) bioinformatics pipeline to classify HRGPs into 23 descriptive subclasses. Validation of MAAB was achieved using available genomic resources and then applied to the 1000 Plants transcriptome project (www.onekp.com) data set. Significant improvement in the detection of HRGPs using multiple-k-mer transcriptome assembly methodology was observed. The MAAB pipeline is readily adaptable and can be modified to optimize the recovery of IDPs from other organisms.
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Affiliation(s)
- Kim L Johnson
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Andrew M Cassin
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Andrew Lonsdale
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Antony Bacic
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Monika S Doblin
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Carolyn J Schultz
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
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27
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Johnson KL, Cassin AM, Lonsdale A, Wong GKS, Soltis DE, Miles NW, Melkonian M, Melkonian B, Deyholos MK, Leebens-Mack J, Rothfels CJ, Stevenson DW, Graham SW, Wang X, Wu S, Pires JC, Edger PP, Carpenter EJ, Bacic A, Doblin MS, Schultz CJ. Insights into the Evolution of Hydroxyproline-Rich Glycoproteins from 1000 Plant Transcriptomes. PLANT PHYSIOLOGY 2017; 174:904-921. [PMID: 28446636 PMCID: PMC5462033 DOI: 10.1104/pp.17.00295] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 04/21/2017] [Indexed: 05/19/2023]
Abstract
The carbohydrate-rich cell walls of land plants and algae have been the focus of much interest given the value of cell wall-based products to our current and future economies. Hydroxyproline-rich glycoproteins (HRGPs), a major group of wall glycoproteins, play important roles in plant growth and development, yet little is known about how they have evolved in parallel with the polysaccharide components of walls. We investigate the origins and evolution of the HRGP superfamily, which is commonly divided into three major multigene families: the arabinogalactan proteins (AGPs), extensins (EXTs), and proline-rich proteins. Using motif and amino acid bias, a newly developed bioinformatics pipeline, we identified HRGPs in sequences from the 1000 Plants transcriptome project (www.onekp.com). Our analyses provide new insights into the evolution of HRGPs across major evolutionary milestones, including the transition to land and the early radiation of angiosperms. Significantly, data mining reveals the origin of glycosylphosphatidylinositol (GPI)-anchored AGPs in green algae and a 3- to 4-fold increase in GPI-AGPs in liverworts and mosses. The first detection of cross-linking (CL)-EXTs is observed in bryophytes, which suggests that CL-EXTs arose though the juxtaposition of preexisting SPn EXT glycomotifs with refined Y-based motifs. We also detected the loss of CL-EXT in a few lineages, including the grass family (Poaceae), that have a cell wall composition distinct from other monocots and eudicots. A key challenge in HRGP research is tracking individual HRGPs throughout evolution. Using the 1000 Plants output, we were able to find putative orthologs of Arabidopsis pollen-specific GPI-AGPs in basal eudicots.
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Affiliation(s)
- Kim L Johnson
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Andrew M Cassin
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Andrew Lonsdale
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Gane Ka-Shu Wong
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Douglas E Soltis
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Nicholas W Miles
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Michael Melkonian
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Barbara Melkonian
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Michael K Deyholos
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - James Leebens-Mack
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Carl J Rothfels
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Dennis W Stevenson
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Sean W Graham
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Xumin Wang
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Shuangxiu Wu
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - J Chris Pires
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Patrick P Edger
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Eric J Carpenter
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Antony Bacic
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Monika S Doblin
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.)
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.)
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.)
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.)
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.)
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.)
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.)
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.)
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.)
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.)
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
| | - Carolyn J Schultz
- Australian Research Council Centre of Excellence in Plant Cell Walls, School of BioSciences, University of Melbourne, Parkville, Victoria 3010, Australia (K.L.J., A.M.C., A.L., A.B., M.S.D.);
- Departments of Biological Sciences and Medicine, University of Alberta, Edmonton, Alberta, Canada, and BGI-Shenzhen, Bei Shan Industrial Zone, Yantian District, Shenzhen, China (G.K.-S.W., E.J.C.);
- Florida Museum of Natural History, Department of Biology, University of Florida, Gainsville, Florida 32611 (D.E.S., N.W.M.);
- Botanical Institute, Cologne Biocenter, University of Cologne, D50674 Cologne, Germany (M.M., B.M.);
- Department of Biology, University of British Columbia, Kelowna, British Columbia V1V 1V7, Canada (M.K.D.)
- Department of Plant Biology, University of Georgia, Athens, Georgia 3062 (J.L.-M.);
- University Herbarium and Department of Integrative Biology, University of California, Berkeley, California 94720 (C.J.R.);
- New York Botanical Garden, Bronx, New York 10458 (D.W.S.);
- Department of Botany, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada (S.W.G.);
- Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China (X.W., S.W.);
- Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, Missouri 65211 (J.C.P.);
- Department of Horticulture, Michigan State University, East Lansing, Michigan 48823 (P.P.E.); and
- School of Agriculture, Food, and Wine, University of Adelaide, Waite Research Institute, Glen Osmond, South Australia 5064, Australia (C.J.S.)
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Mangano S, Juárez SPD, Estevez JM. ROS Regulation of Polar Growth in Plant Cells. PLANT PHYSIOLOGY 2016; 171:1593-605. [PMID: 27208283 PMCID: PMC4936551 DOI: 10.1104/pp.16.00191] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 05/04/2016] [Indexed: 05/13/2023]
Abstract
Root hair cells and pollen tubes, like fungal hyphae, possess a typical tip or polar cell expansion with growth limited to the apical dome. Cell expansion needs to be carefully regulated to produce a correct shape and size. Polar cell growth is sustained by oscillatory feedback loops comprising three main components that together play an important role regulating this process. One of the main components are reactive oxygen species (ROS) that, together with calcium ions (Ca(2+)) and pH, sustain polar growth over time. Apoplastic ROS homeostasis controlled by NADPH oxidases as well as by secreted type III peroxidases has a great impact on cell wall properties during cell expansion. Polar growth needs to balance a focused secretion of new materials in an extending but still rigid cell wall in order to contain turgor pressure. In this review, we discuss the gaps in our understanding of how ROS impact on the oscillatory Ca(2+) and pH signatures that, coordinately, allow root hair cells and pollen tubes to expand in a controlled manner to several hundred times their original size toward specific signals.
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Affiliation(s)
- Silvina Mangano
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires, Buenos Aires CP C1405BWE, Argentina
| | - Silvina Paola Denita Juárez
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires, Buenos Aires CP C1405BWE, Argentina
| | - José M Estevez
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires, Buenos Aires CP C1405BWE, Argentina
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29
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Showalter AM, Basu D. Extensin and Arabinogalactan-Protein Biosynthesis: Glycosyltransferases, Research Challenges, and Biosensors. FRONTIERS IN PLANT SCIENCE 2016; 7:814. [PMID: 27379116 PMCID: PMC4908140 DOI: 10.3389/fpls.2016.00814] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 05/25/2016] [Indexed: 05/17/2023]
Abstract
Recent research, mostly in Arabidopsis thaliana, has led to the identification and characterization of the glycosyltransferases responsible for the biosynthesis of two of the most functionally important and abundant families of plant cell wall proteins, extensins, and arabinogalactan-proteins. Extensin glycosylation involves monogalactosylation of serine residues by O-α-serine galactosyltransferase and the addition of oligoarabinosides one to five arabinose units in length to contiguous hydroxyproline residues by a set of specific arabinosyltransferase enzymes, which includes hydroxyproline O-β-arabinosyltransferases, β-1,2-arabinosyltransferases, and at least one α-1,3-arabinosyltransferase. AGP glycosylation, however, is much more complex and involves the addition of large arabinogalactan polysaccharide chains to non-contiguous hydroxyproline residues. These arabinogalactan chains are composed of β-1,3-galactan backbones decorated with β-1,6-galactose side chains that are further modified with α-arabinose as well as other sugars, including β-(methyl)glucuronic acid, α-rhamnose, and α-fucose. Specific sets of hydroxyproline O-β-galactosyltransferases, β-1,3-galactosyltransferases, β-1,6-galactosyltransferases, α-arabinosyltransferases, β-glucuronosyltransferases, α-rhamnosyltransferases, and α-fucosyltransferases are responsible for the synthesis of these complex structures. This mini-review summarizes the EXT and AGP glycosyltransferases identified and characterized to date along with corresponding genetic mutant data, which addresses the functional importance of EXT and AGP glycosylation. In one case, genetic mutant data indicate that the carbohydrate moiety of arabinogalactan-proteins may serve as an extracellular biosensor or signal for normal cellular growth. Finally, future research challenges with respect to understanding the function of these enzymes more completely and discovering and characterizing additional glycosyltransferases responsible for extensin and arabinogalactan-protein biosynthesis are also discussed.
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Borassi C, Sede AR, Mecchia MA, Salgado Salter JD, Marzol E, Muschietti JP, Estevez JM. An update on cell surface proteins containing extensin-motifs. JOURNAL OF EXPERIMENTAL BOTANY 2016; 67:477-87. [PMID: 26475923 DOI: 10.1093/jxb/erv455] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
In recent years it has become clear that there are several molecular links that interconnect the plant cell surface continuum, which is highly important in many biological processes such as plant growth, development, and interaction with the environment. The plant cell surface continuum can be defined as the space that contains and interlinks the cell wall, plasma membrane and cytoskeleton compartments. In this review, we provide an updated view of cell surface proteins that include modular domains with an extensin (EXT)-motif followed by a cytoplasmic kinase-like domain, known as PERKs (for proline-rich extensin-like receptor kinases); with an EXT-motif and an actin binding domain, known as formins; and with extracellular hybrid-EXTs. We focus our attention on the EXT-motifs with the short sequence Ser-Pro(3-5), which is found in several different protein contexts within the same extracellular space, highlighting a putative conserved structural and functional role. A closer understanding of the dynamic regulation of plant cell surface continuum and its relationship with the downstream signalling cascade is a crucial forthcoming challenge.
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Affiliation(s)
- Cecilia Borassi
- Fundación Instituto Leloir, IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, C1405BWE, Argentina
| | - Ana R Sede
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
| | - Martin A Mecchia
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina
| | - Juan D Salgado Salter
- Fundación Instituto Leloir, IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, C1405BWE, Argentina
| | - Eliana Marzol
- Fundación Instituto Leloir, IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, C1405BWE, Argentina
| | - Jorge P Muschietti
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Dr. Héctor Torres (INGEBI-CONICET), Vuelta de Obligado 2490, Buenos Aires, C1428ADN, Argentina. Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2160, Ciudad Universitaria, Pabellón II, C1428EGA Buenos Aires, Argentina.
| | - Jose M Estevez
- Fundación Instituto Leloir, IIBBA-CONICET, Av. Patricias Argentinas 435, Buenos Aires, C1405BWE, Argentina.
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MacAlister CA, Ortiz-Ramírez C, Becker JD, Feijó JA, Lippman ZB. Hydroxyproline O-arabinosyltransferase mutants oppositely alter tip growth in Arabidopsis thaliana and Physcomitrella patens. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2016; 85:193-208. [PMID: 26577059 PMCID: PMC4738400 DOI: 10.1111/tpj.13079] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/17/2015] [Accepted: 11/03/2015] [Indexed: 05/20/2023]
Abstract
Hydroxyproline O-arabinosyltransferases (HPATs) are members of a small, deeply conserved family of plant-specific glycosyltransferases that add arabinose sugars to diverse proteins including cell wall-associated extensins and small signaling peptides. Recent genetic studies in flowering plants suggest that different HPAT homologs have been co-opted to function in diverse species-specific developmental contexts. However, nothing is known about the roles of HPATs in basal plants. We show that complete loss of HPAT function in Arabidopsis thaliana and the moss Physcomitrella patens results in a shared defect in gametophytic tip cell growth. Arabidopsis hpat1/2/3 triple knockout mutants suffer from a strong male sterility defect as a consequence of pollen tubes that fail to fully elongate following pollination. Knocking out the two HPAT genes of Physcomitrella results in larger multicellular filamentous networks due to increased elongation of protonemal tip cells. Physcomitrella hpat mutants lack cell-wall associated hydroxyproline arabinosides and can be rescued with exogenous cellulose, while global expression profiling shows that cell wall-associated genes are severely misexpressed, implicating a defect in cell wall formation during tip growth. Our findings point to a major role for HPATs in influencing cell elongation during tip growth in plants.
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Affiliation(s)
| | | | - Jörg D Becker
- Instituto Gulbenkian de Ciência, P-2780-156, Oeiras, Portugal
| | - José A Feijó
- Instituto Gulbenkian de Ciência, P-2780-156, Oeiras, Portugal
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD, 20742-5815, USA
| | - Zachary B Lippman
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, 11746, USA
- Watson School of Biological Sciences, Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11746, USA
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