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Jiang M, Yan Y, Zhou B, Li J, Cui L, Guo L, Liu W. Metabolomic and transcriptomic analyses highlight metabolic regulatory networks of Salvia miltiorrhiza in response to replant disease. BMC PLANT BIOLOGY 2024; 24:575. [PMID: 38890577 PMCID: PMC11184839 DOI: 10.1186/s12870-024-05291-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 06/12/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Salvia miltiorrhiza, a well-known traditional Chinese medicine, frequently suffers from replant diseases that adversely affect its quality and yield. To elucidate S. miltiorrhiza's metabolic adaptations to replant disease, we analyzed its metabolome and transcriptome, comparing normal and replant diseased plants for the first time. RESULTS We identified 1,269 metabolites, 257 of which were differentially accumulated metabolites, and identified 217 differentially expressed genes. Integrated transcriptomic and metabolomic analyses revealed a significant up-regulation and co-expression of metabolites and genes associated with plant hormone signal transduction and flavonoid biosynthesis pathways in replant diseases. Within plant hormone signal transduction pathway, plants afflicted with replant disease markedly accumulated indole-3-acetic acid and abscisic acid, correlating with high expression of their biosynthesis-related genes (SmAmidase, SmALDH, SmNCED, and SmAAOX3). Simultaneously, changes in hormone concentrations activated plant hormone signal transduction pathways. Moreover, under replant disease, metabolites in the local flavonoid metabolite biosynthetic pathway were significantly accumulated, consistent with the up-regulated gene (SmHTC1 and SmHTC2). The qRT-PCR analysis largely aligned with the transcriptomic results, confirming the trends in gene expression. Moreover, we identified 10 transcription factors co-expressed with differentially accumulated metabolites. CONCLUSIONS Overall, we revealed the key genes and metabolites of S. miltiorrhiza under replant disease, establishing a robust foundation for future inquiries into the molecular responses to combat replant stress.
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Affiliation(s)
- Mei Jiang
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - YaXing Yan
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - BingQian Zhou
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - Jian Li
- Jinan Institute of Product Quality Inspection, Jinan, 250101, China
| | - Li Cui
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China
| | - LanPing Guo
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Wei Liu
- Key Laboratory for Natural Active Pharmaceutical Constituents Research in Universities of Shandong Province, School of Pharmaceutical Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China.
- Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250014, China.
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Liu L, Yahaya BS, Li J, Wu F. Enigmatic role of auxin response factors in plant growth and stress tolerance. FRONTIERS IN PLANT SCIENCE 2024; 15:1398818. [PMID: 38903418 PMCID: PMC11188990 DOI: 10.3389/fpls.2024.1398818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 05/23/2024] [Indexed: 06/22/2024]
Abstract
Abiotic and biotic stresses globally constrain plant growth and impede the optimization of crop productivity. The phytohormone auxin is involved in nearly every aspect of plant development. Auxin acts as a chemical messenger that influences gene expression through a short nuclear pathway, mediated by a family of specific DNA-binding transcription factors known as Auxin Response Factors (ARFs). ARFs thus act as effectors of auxin response and translate chemical signals into the regulation of auxin responsive genes. Since the initial discovery of the first ARF in Arabidopsis, advancements in genetics, biochemistry, genomics, and structural biology have facilitated the development of models elucidating ARF action and their contributions to generating specific auxin responses. Yet, significant gaps persist in our understanding of ARF transcription factors despite these endeavors. Unraveling the functional roles of ARFs in regulating stress response, alongside elucidating their genetic and molecular mechanisms, is still in its nascent phase. Here, we review recent research outcomes on ARFs, detailing their involvement in regulating leaf, flower, and root organogenesis and development, as well as stress responses and their corresponding regulatory mechanisms: including gene expression patterns, functional characterization, transcriptional, post-transcriptional and post- translational regulation across diverse stress conditions. Furthermore, we delineate unresolved questions and forthcoming challenges in ARF research.
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Affiliation(s)
- Ling Liu
- Faculty of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, Sichuan, China
| | - Baba Salifu Yahaya
- Maize Research Institute, Sichuan Agricultural University, Wenjiang, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, Wenjiang, Sichuan, China
| | - Jing Li
- Maize Research Institute, Sichuan Agricultural University, Wenjiang, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, Wenjiang, Sichuan, China
| | - Fengkai Wu
- Maize Research Institute, Sichuan Agricultural University, Wenjiang, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, Wenjiang, Sichuan, China
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3
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Butel N, Qiu Y, Xu W, Santos-González J, Köhler C. Parental conflict driven regulation of endosperm cellularization by a family of Auxin Response Factors. NATURE PLANTS 2024; 10:1018-1026. [PMID: 38806655 PMCID: PMC11208147 DOI: 10.1038/s41477-024-01706-y] [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: 05/31/2023] [Accepted: 04/19/2024] [Indexed: 05/30/2024]
Abstract
The endosperm is a reproductive tissue supporting embryo development. In most flowering plants, the initial divisions of endosperm nuclei are not succeeded by cellularization; this process occurs only after a specific number of mitotic cycles have taken place. The timing of cellularization significantly influences seed viability and size. Previous research implicated auxin as a key factor in initiating nuclear divisions and determining the timing of cellularization. Here we uncover the involvement of a family of clustered auxin response factors (cARFs) as dosage-sensitive regulators of endosperm cellularization. cARFs, maternally expressed and paternally silenced, are shown to induce cellularization, thereby restricting seed growth. Our findings align with the predictions of the parental conflict theory, suggesting that cARFs represent major molecular targets in this conflict. We further demonstrate a recurring amplification of cARFs in the Brassicaceae, suggesting an evolutionary response to parental conflict by reinforcing maternal control over endosperm cellularization. Our study highlights that antagonistic parental control on endosperm cellularization converges on auxin biosynthesis and signalling.
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Affiliation(s)
- N Butel
- Department of Plant Reproductive Biology and Epigenetics, Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
| | - Y Qiu
- Department of Plant Reproductive Biology and Epigenetics, Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany
| | - W Xu
- Department of Plant Biology, Uppsala BioCenter, Swedish University of Agricultural Sciences and Linnean Centre for Plant Biology, Uppsala, Sweden
- INRAE Centre Ile-de-France - Versailles-Saclay, France, Versailles-Sacley, France
| | - J Santos-González
- Department of Plant Biology, Uppsala BioCenter, Swedish University of Agricultural Sciences and Linnean Centre for Plant Biology, Uppsala, Sweden
| | - C Köhler
- Department of Plant Reproductive Biology and Epigenetics, Max Planck Institute of Molecular Plant Physiology, Potsdam, Germany.
- Department of Plant Biology, Uppsala BioCenter, Swedish University of Agricultural Sciences and Linnean Centre for Plant Biology, Uppsala, Sweden.
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4
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Romani F, Sauret-Güeto S, Rebmann M, Annese D, Bonter I, Tomaselli M, Dierschke T, Delmans M, Frangedakis E, Silvestri L, Rever J, Bowman JL, Romani I, Haseloff J. The landscape of transcription factor promoter activity during vegetative development in Marchantia. THE PLANT CELL 2024; 36:2140-2159. [PMID: 38391349 PMCID: PMC11132968 DOI: 10.1093/plcell/koae053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 12/08/2023] [Accepted: 12/22/2023] [Indexed: 02/24/2024]
Abstract
Transcription factors (TFs) are essential for the regulation of gene expression and cell fate determination. Characterizing the transcriptional activity of TF genes in space and time is a critical step toward understanding complex biological systems. The vegetative gametophyte meristems of bryophytes share some characteristics with the shoot apical meristems of flowering plants. However, the identity and expression profiles of TFs associated with gametophyte organization are largely unknown. With only ∼450 putative TF genes, Marchantia (Marchantia polymorpha) is an outstanding model system for plant systems biology. We have generated a near-complete collection of promoter elements derived from Marchantia TF genes. We experimentally tested reporter fusions for all the TF promoters in the collection and systematically analyzed expression patterns in Marchantia gemmae. This allowed us to build a map of expression domains in early vegetative development and identify a set of TF-derived promoters that are active in the stem-cell zone. The cell markers provide additional tools and insight into the dynamic regulation of the gametophytic meristem and its evolution. In addition, we provide an online database of expression patterns for all promoters in the collection. We expect that these promoter elements will be useful for cell-type-specific expression, synthetic biology applications, and functional genomics.
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Affiliation(s)
- Facundo Romani
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | | | - Marius Rebmann
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | - Davide Annese
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | - Ignacy Bonter
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | - Marta Tomaselli
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | - Tom Dierschke
- School of Biological Sciences, Monash University, Clayton, Melbourne, VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Clayton, Melbourne, VIC 3800, Australia
| | - Mihails Delmans
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | | | - Linda Silvestri
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | - Jenna Rever
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
| | - John L Bowman
- School of Biological Sciences, Monash University, Clayton, Melbourne, VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Clayton, Melbourne, VIC 3800, Australia
| | - Ignacio Romani
- Departamento de Ciencias Sociales, Universidad Nacional de Quilmes, Bernal, Buenos Aires 1876, Argentina
| | - Jim Haseloff
- Department of Plant Sciences, University of Cambridge, Cambridge CB3 EA, UK
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5
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Cohen JD, Strader LC. An auxin research odyssey: 1989-2023. THE PLANT CELL 2024; 36:1410-1428. [PMID: 38382088 PMCID: PMC11062468 DOI: 10.1093/plcell/koae054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/23/2024] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
The phytohormone auxin is at times called the master regulator of plant processes and has been shown to be a central player in embryo development, the establishment of the polar axis, early aspects of seedling growth, as well as growth and organ formation during later stages of plant development. The Plant Cell has been key, since the inception of the journal, to developing an understanding of auxin biology. Auxin-regulated plant growth control is accomplished by both changes in the levels of active hormones and the sensitivity of plant tissues to these concentration changes. In this historical review, we chart auxin research as it has progressed in key areas and highlight the role The Plant Cell played in these scientific developments. We focus on understanding auxin-responsive genes, transcription factors, reporter constructs, perception, and signal transduction processes. Auxin metabolism is discussed from the development of tryptophan auxotrophic mutants, the molecular biology of conjugate formation and hydrolysis, indole-3-butyric acid metabolism and transport, and key steps in indole-3-acetic acid biosynthesis, catabolism, and transport. This progress leads to an expectation of a more comprehensive understanding of the systems biology of auxin and the spatial and temporal regulation of cellular growth and development.
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Affiliation(s)
- Jerry D Cohen
- Department of Horticultural Science and the Microbial and Plant Genomics Institute, University of Minnesota, Saint Paul, MN 55108, USA
| | - Lucia C Strader
- Department of Biology, Duke University, Durham, NC 27008, USA
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Xu L, Liu Y, Zhang J, Wu W, Hao Z, He S, Li Y, Shi J, Chen J. Genomic survey and expression analysis of LcARFs reveal multiple functions to somatic embryogenesis in Liriodendron. BMC PLANT BIOLOGY 2024; 24:94. [PMID: 38326748 PMCID: PMC10848544 DOI: 10.1186/s12870-024-04765-7] [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: 08/28/2023] [Accepted: 01/24/2024] [Indexed: 02/09/2024]
Abstract
BACKGROUND Auxin response factors (ARFs) are critical transcription factors that mediate the auxin signaling pathway and are essential for regulating plant growth. However, there is a lack of understanding regarding the ARF gene family in Liriodendron chinense, a vital species in landscaping and economics. Thus, further research is needed to explore the roles of ARFs in L. chinense and their potential applications in plant development. RESULT In this study, we have identified 20 LcARF genes that belong to three subfamilies in the genome of L. chinense. The analysis of their conserved domains, gene structure, and phylogeny suggests that LcARFs may be evolutionarily conserved and functionally similar to other plant ARFs. The expression of LcARFs varies in different tissues. Additionally, they are also involved in different developmental stages of somatic embryogenesis. Overexpression of LcARF1, LcARF2a, and LcARF5 led to increased activity within callus. Additionally, our promoter-GFP fusion study indicated that LcARF1 may play a role in embryogenesis. Overall, this study provides insights into the functions of LcARFs in plant development and embryogenesis, which could facilitate the improvement of somatic embryogenesis in L. chinense. CONCLUSION The research findings presented in this study shed light on the regulatory roles of LcARFs in somatic embryogenesis in L. chinense and may aid in accelerating the breeding process of this tree species. By identifying the specific LcARFs involved in different stages of somatic embryogenesis, this study provides a basis for developing targeted breeding strategies aimed at optimizing somatic embryogenesis in L. chinense, which holds great potential for improving the growth and productivity of this economically important species.
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Affiliation(s)
- Lin Xu
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China
| | - Ye Liu
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China
| | - Jiaji Zhang
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China
| | - Weihuang Wu
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China
| | - Zhaodong Hao
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China
| | - Shichan He
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China
| | - Yiran Li
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China
| | - Jisen Shi
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China.
| | - Jinhui Chen
- Key Laboratory of Forest Genetics and Biotechnology, Ministry of Education of China, Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University, No.159 Longpan Road, Nanjing, 210037, China.
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7
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Xing Y, Liu C, Zheng C, Li H, Yin H. Evolution and function analysis of auxin response factors reveal the molecular basis of the developed root system of Zygophyllum xanthoxylum. BMC PLANT BIOLOGY 2024; 24:81. [PMID: 38302884 PMCID: PMC10835889 DOI: 10.1186/s12870-023-04717-7] [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: 11/20/2023] [Accepted: 12/29/2023] [Indexed: 02/03/2024]
Abstract
BACKGROUND As a xerophytic shrub, forming developed root system dominated with lateral roots is one of the effective strategies for Zygophyllum xanthoxylum to adapt to desert habitat. However, the molecular mechanism of lateral root formation in Z. xanthoxylum is still unclear. Auxin response factors (ARFs) are a master family of transcription factors (TFs) in auxin-mediated biological processes including root growth and development. RESULTS Here, to determine the relationship between ARFs and root system formation in Z. xanthoxylum, a total of 30 potential ZxARF genes were first identified, and their classifications, evolutionary relationships, duplication events and conserved domains were characterized. 107 ARF protein sequences from alga to higher plant species including Z. xanthoxylum are split into A, B, and C 3 Clades, consisting with previous studies. The comparative analysis of ARFs between xerophytes and mesophytes showed that A-ARFs of xerophytes expanded considerably more than that of mesophytes. Furthermore, in this Clade, ZxARF5b and ZxARF8b have lost the important B3 DNA-binding domain partly and completely, suggesting both two proteins may be more functional in activating transcription by dimerization with AUX/IAA repressors. qRT-PCR results showed that all A-ZxARFs are high expressed in the roots of Z. xanthoxylum, and they were significantly induced by drought stress. Among these A-ZxARFs, the over-expression assay showed that ZxARF7c and ZxARF7d play positive roles in lateral root formation. CONCLUSION This study provided the first comprehensive overview of ZxARFs and highlighted the importance of A-ZxARFs in the lateral root development.
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Affiliation(s)
- Ying Xing
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Chunli Liu
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Chuan Zheng
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Hong Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Hongju Yin
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, People's Republic of China.
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8
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Gambhir P, Raghuvanshi U, Kumar R, Sharma AK. Transcriptional regulation of tomato fruit ripening. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:289-303. [PMID: 38623160 PMCID: PMC11016043 DOI: 10.1007/s12298-024-01424-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 01/15/2024] [Accepted: 02/27/2024] [Indexed: 04/17/2024]
Abstract
An intrinsic and genetically determined ripening program of tomato fruits often depends upon the appropriate activation of tissue- and stage-specific transcription factors in space and time. The past two decades have yielded considerable progress in detailing these complex transcriptional as well as hormonal regulatory circuits paramount to fleshy fruit ripening. This non-linear ripening process is strongly controlled by the MADS-box and NOR family of proteins, triggering a transcriptional response associated with the progression of fruit ripening. Deepening insights into the connection between MADS-RIN and plant hormones related transcription factors, such as ERFs and ARFs, further conjugates the idea that several signaling units work in parallel to define an output fruit ripening transcriptome. Besides these TFs, the role of other families of transcription factors such as MYB, GLK, WRKY, GRAS and bHLH have also emerged as important ripening regulators. Other regulators such as EIN and EIL proteins also determine the transcriptional landscape of ripening fruits. Despite the abundant knowledge of the complex spectrum of ripening networks in the scientific domain, identifying more ripening effectors would pave the way for a better understanding of fleshy fruit ripening at the molecular level. This review provides an update on the transcriptional regulators of tomato fruit ripening.
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Affiliation(s)
- Priya Gambhir
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi, 110021 India
| | - Utkarsh Raghuvanshi
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi, 110021 India
| | - Rahul Kumar
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, 500046 India
| | - Arun Kumar Sharma
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi, 110021 India
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9
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Kuhn A, Roosjen M, Mutte S, Dubey SM, Carrillo Carrasco VP, Boeren S, Monzer A, Koehorst J, Kohchi T, Nishihama R, Fendrych M, Sprakel J, Friml J, Weijers D. RAF-like protein kinases mediate a deeply conserved, rapid auxin response. Cell 2024; 187:130-148.e17. [PMID: 38128538 PMCID: PMC10783624 DOI: 10.1016/j.cell.2023.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 06/29/2023] [Accepted: 11/18/2023] [Indexed: 12/23/2023]
Abstract
The plant-signaling molecule auxin triggers fast and slow cellular responses across land plants and algae. The nuclear auxin pathway mediates gene expression and controls growth and development in land plants, but this pathway is absent from algal sister groups. Several components of rapid responses have been identified in Arabidopsis, but it is unknown if these are part of a conserved mechanism. We recently identified a fast, proteome-wide phosphorylation response to auxin. Here, we show that this response occurs across 5 land plant and algal species and converges on a core group of shared targets. We found conserved rapid physiological responses to auxin in the same species and identified rapidly accelerated fibrosarcoma (RAF)-like protein kinases as central mediators of auxin-triggered phosphorylation across species. Genetic analysis connects this kinase to both auxin-triggered protein phosphorylation and rapid cellular response, thus identifying an ancient mechanism for fast auxin responses in the green lineage.
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Affiliation(s)
- Andre Kuhn
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Mark Roosjen
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Sumanth Mutte
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Shiv Mani Dubey
- Department of Experimental Plant Biology, Charles University, Prague, Czech Republic
| | | | - Sjef Boeren
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Aline Monzer
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Jasper Koehorst
- Laboratory of Systems and Synthetic Biology, Wageningen University, Wageningen, the Netherlands
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Ryuichi Nishihama
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba, Japan
| | - Matyáš Fendrych
- Department of Experimental Plant Biology, Charles University, Prague, Czech Republic
| | - Joris Sprakel
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands
| | - Jiří Friml
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, Wageningen, the Netherlands.
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10
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Rienstra J, Hernández-García J, Weijers D. To bind or not to bind: how AUXIN RESPONSE FACTORs select their target genes. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6922-6932. [PMID: 37431145 PMCID: PMC10690724 DOI: 10.1093/jxb/erad259] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 07/05/2023] [Indexed: 07/12/2023]
Abstract
Most plant growth and development processes are regulated in one way or another by auxin. The best-studied mechanism by which auxin exerts its regulatory effects is through the nuclear auxin pathway (NAP). In this pathway, Auxin Response Factors (ARFs) are the transcription factors that ultimately determine which genes become auxin regulated by binding to specific DNA sequences. ARFs have primarily been studied in Arabidopsis thaliana, but recent studies in other species have revealed family-wide DNA binding specificities for different ARFs and the minimal functional system of the NAP system, consisting of a duo of competing ARFs of the A and B classes. In this review, we provide an overview of key aspects of ARF DNA binding such as auxin response elements (TGTCNN) and tandem repeat motifs, and consider how structural biology and in vitro studies help us understand ARF DNA preferences. We also highlight some recent aspects related to the regulation of ARF levels inside a cell, which may alter the DNA binding profile of ARFs in different tissues. We finally emphasize the need to study minimal NAP systems to understand fundamental aspects of ARF function, the need to characterize algal ARFs to understand how ARFs evolved, how cutting-edge techniques can increase our understanding of ARFs, and which remaining questions can only be answered by structural biology.
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Affiliation(s)
- Juriaan Rienstra
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE Wageningen, The Netherlands
| | - Jorge Hernández-García
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE Wageningen, The Netherlands
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE Wageningen, The Netherlands
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11
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Prigge MJ, Morffy N, de Neve A, Szutu W, Abraham-Juárez MJ, Johnson K, Do N, Lavy M, Hake S, Strader L, Estelle M, Richardson AE. Comparative mutant analyses reveal a novel mechanism of ARF regulation in land plants. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.09.566459. [PMID: 38014308 PMCID: PMC10680667 DOI: 10.1101/2023.11.09.566459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
A major challenge in plant biology is to understand how the plant hormone auxin regulates diverse transcriptional responses throughout development, in different environments, and in different species. The answer may lie in the specific complement of auxin signaling components in each cell. The balance between activators (class-A AUXIN RESPONSE FACTORS) and repressors (class-B ARFs) is particularly important. It is unclear how this balance is achieved. Through comparative analysis of novel, dominant mutants in maize and the moss Physcomitrium patens , we have discovered a ∼500-million-year-old mechanism of class-B ARF protein level regulation, important in determining cell fate decisions across land plants. Thus, our results add a key piece to the puzzle of how auxin regulates plant development.
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12
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Jing H, Strader LC. AUXIN RESPONSE FACTOR protein accumulation and function. Bioessays 2023; 45:e2300018. [PMID: 37584215 PMCID: PMC10592145 DOI: 10.1002/bies.202300018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 08/17/2023]
Abstract
Auxin is a key regulator of plant developmental processes. Its effects on transcription are mediated by the AUXIN RESPONSE FACTOR (ARF) family of transcription factors. ARFs tightly control specific auxin responses necessary for proper plant growth and development. Recent research has revealed that regulated ARF protein accumulation and ARF nucleo-cytoplasmic partitioning can determine auxin transcriptional outputs. In this review, we explore these recent findings and consider the potential for regulated ARF accumulation in driving auxin responses in plants.
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Affiliation(s)
- Hongwei Jing
- Department of Biology, Duke University, Durham, NC 27008, USA
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13
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Marron AO, Sauret‐Güeto S, Rebmann M, Silvestri L, Tomaselli M, Haseloff J. An enhancer trap system to track developmental dynamics in Marchantia polymorpha. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 116:604-628. [PMID: 37583263 PMCID: PMC10952768 DOI: 10.1111/tpj.16394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 08/17/2023]
Abstract
A combination of streamlined genetics, experimental tractability and relative morphological simplicity compared to vascular plants makes the liverwort Marchantia polymorpha an ideal model system for studying many aspects of plant biology. Here we describe a transformation vector combining a constitutive fluorescent membrane marker with a nuclear marker that is regulated by nearby enhancer elements and use this to produce a library of enhancer trap lines for Marchantia. Screening gemmae from these lines allowed the identification and characterization of novel marker lines, including markers for rhizoids and oil cells. The library allowed the identification of a margin tissue running around the thallus edge, highlighted during thallus development. The expression of this marker is correlated with auxin levels. We generated multiple markers for the meristematic apical notch region, which have different spatial expression patterns, reappear at different times during meristem regeneration following apical notch excision and have varying responses to auxin supplementation or inhibition. This reveals that there are proximodistal substructures within the apical notch that could not be observed otherwise. We employed our markers to study Marchantia sporeling development, observing meristem emergence as defining the protonema-to-prothallus stage transition, and subsequent production of margin tissue during the prothallus stage. Exogenous auxin treatment stalls meristem emergence at the protonema stage but does not inhibit cell division, resulting in callus-like sporelings with many rhizoids, whereas pharmacologically inhibiting auxin synthesis and transport does not prevent meristem emergence. This enhancer trap system presents a useful resource for the community and will contribute to future Marchantia research.
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Affiliation(s)
- Alan O. Marron
- Department of Plant SciencesUniversity of CambridgeDowning StreetCambridgeCB2 3EAUK
| | - Susanna Sauret‐Güeto
- Department of Plant SciencesUniversity of CambridgeDowning StreetCambridgeCB2 3EAUK
- Present address:
Crop Science CentreUniversity of Cambridge93 Lawrence Weaver, RoadCambridgeCB3 0LEUK
| | - Marius Rebmann
- Department of Plant SciencesUniversity of CambridgeDowning StreetCambridgeCB2 3EAUK
| | - Linda Silvestri
- Department of Plant SciencesUniversity of CambridgeDowning StreetCambridgeCB2 3EAUK
| | - Marta Tomaselli
- Department of Plant SciencesUniversity of CambridgeDowning StreetCambridgeCB2 3EAUK
| | - Jim Haseloff
- Department of Plant SciencesUniversity of CambridgeDowning StreetCambridgeCB2 3EAUK
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14
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Lomin SN, Kolachevskaya OO, Arkhipov DV, Romanov GA. Canonical and Alternative Auxin Signaling Systems in Mono-, Di-, and Tetraploid Potatoes. Int J Mol Sci 2023; 24:11408. [PMID: 37511169 PMCID: PMC10380454 DOI: 10.3390/ijms241411408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/08/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
It has long been known that the phytohormone auxin plays a promoting role in tuber formation and stress tolerance in potatoes. Our study aimed to identify and characterize the complete sets of auxin-related genes that presumably constitute the entire auxin signaling system in potato (Solanum tuberosum L.). The corresponding genes were retrieved from sequenced genomes of the doubled monoploid S. tuberosum DM1-3-516-R44 (DM) of the Phureja group, the heterozygous diploid line RH89-039-16 (RH), and the autotetraploid cultivar Otava. Both canonical and noncanonical auxin signaling pathways were considered. Phylogenetic and domain analyses of deduced proteins were supplemented by expression profiling and 3D molecular modeling. The canonical and ABP1-mediated pathways of auxin signaling appeared to be well conserved. The total number of potato genes/proteins presumably involved in canonical auxin signaling is 46 and 108 in monoploid DM and tetraploid Otava, respectively. Among the studied potatoes, spectra of expressed genes obviously associated with auxin signaling were partly cultivar-specific and quite different from analogous spectrum in Arabidopsis. Most of the noncanonical pathways found in Arabidopsis appeared to have low probability in potato. This was equally true for all cultivars used irrespective of their ploidy. Thus, some important features of the (noncanonical) auxin signaling pathways may be variable and species-specific.
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Affiliation(s)
- Sergey N Lomin
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
| | - Oksana O Kolachevskaya
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
| | - Dmitry V Arkhipov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
| | - Georgy A Romanov
- Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya 35, 127276 Moscow, Russia
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15
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Israeli A, Schubert R, Man N, Teboul N, Serrani Yarce JC, Rosowski EE, Wu MF, Levy M, Efroni I, Ljung K, Hause B, Reed JW, Ori N. Modulating auxin response stabilizes tomato fruit set. PLANT PHYSIOLOGY 2023; 192:2336-2355. [PMID: 37032117 PMCID: PMC10315294 DOI: 10.1093/plphys/kiad205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 06/01/2023]
Abstract
Fruit formation depends on successful fertilization and is highly sensitive to weather fluctuations that affect pollination. Auxin promotes fruit initiation and growth following fertilization. Class A auxin response factors (Class A ARFs) repress transcription in the absence of auxin and activate transcription in its presence. Here, we explore how multiple members of the ARF family regulate fruit set and fruit growth in tomato (Solanum lycopersicum) and Arabidopsis thaliana, and test whether reduction of SlARF activity improves yield stability in fluctuating temperatures. We found that several tomato Slarf mutant combinations produced seedless parthenocarpic fruits, most notably mutants deficient in SlARF8A and SlARF8B genes. Arabidopsis Atarf8 mutants deficient in the orthologous gene had less complete parthenocarpy than did tomato Slarf8a Slarf8b mutants. Conversely, Atarf6 Atarf8 double mutants had reduced fruit growth after fertilization. AtARF6 and AtARF8 likely switch from repression to activation of fruit growth in response to a fertilization-induced auxin increase in gynoecia. Tomato plants with reduced SlARF8A and SlARF8B gene dosage had substantially higher yield than the wild type under controlled or ambient hot and cold growth conditions. In field trials, partial reduction in the SlARF8 dose increased yield under extreme temperature with minimal pleiotropic effects. The stable yield of the mutant plants resulted from a combination of early onset of fruit set, more fruit-bearing branches and more flowers setting fruits. Thus, ARF8 proteins mediate the control of fruit set, and relieving this control with Slarf8 mutations may be utilized in breeding to increase yield stability in tomato and other crops.
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Affiliation(s)
- Alon Israeli
- The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Hebrew University, PO Box 12, Rehovot 76100, Israel
| | - Ramona Schubert
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, Halle 06120, Germany
| | - Nave Man
- The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Hebrew University, PO Box 12, Rehovot 76100, Israel
| | - Naama Teboul
- The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Hebrew University, PO Box 12, Rehovot 76100, Israel
| | | | - Emily E Rosowski
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3280, USA
| | - Miin-Feng Wu
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3280, USA
| | - Matan Levy
- The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Hebrew University, PO Box 12, Rehovot 76100, Israel
| | - Idan Efroni
- The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Hebrew University, PO Box 12, Rehovot 76100, Israel
| | - Karin Ljung
- Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre, Swedish University of Agricultural Sciences, Umeå 901 83, Sweden
| | - Bettina Hause
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, Halle 06120, Germany
| | - Jason W Reed
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3280, USA
| | - Naomi Ori
- The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Hebrew University, PO Box 12, Rehovot 76100, Israel
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16
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Tounosu N, Sesoko K, Hori K, Shimojima M, Ohta H. Cis-regulatory elements and transcription factors related to auxin signaling in the streptophyte algae Klebsormidium nitens. Sci Rep 2023; 13:9635. [PMID: 37322074 PMCID: PMC10272232 DOI: 10.1038/s41598-023-36500-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 06/05/2023] [Indexed: 06/17/2023] Open
Abstract
The phytohormone auxin affects numerous processes in land plants. The central auxin signaling machinery, called the nuclear auxin pathway, is mediated by its pivotal receptor named TRANSPORT INHIBITOR RESPONSE 1/AUXIN SIGNALING F-BOX (TIR1/AFB). The nuclear auxin pathway is widely conserved in land plants, but auxin also accumulates in various algae. Although auxin affects the growth of several algae, the components that mediate auxin signaling have not been identified. We previously reported that exogenous auxin suppresses cell proliferation in the Klebsormidium nitens that is a member of streptophyte algae, a paraphyletic group sharing the common ancestor with land plants. Although K. nitens lacks TIR1/AFB, auxin affects the expression of numerous genes. Thus, elucidation of the mechanism of auxin-inducible gene expression in K. nitens would provide important insights into the evolution of auxin signaling. Here, we show that some motifs are enriched in the promoter sequences of auxin-inducible genes in K. nitens. We also found that the transcription factor KnRAV activates several auxin-inducible genes and directly binds the promoter of KnLBD1, a representative auxin-inducible gene. We propose that KnRAV has the potential to regulate auxin-responsive gene expression in K. nitens.
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Affiliation(s)
- Noriaki Tounosu
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 B-65, Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
| | - Kanami Sesoko
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 B-65, Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
| | - Koichi Hori
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 B-65, Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan.
| | - Mie Shimojima
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 B-65, Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan
| | - Hiroyuki Ohta
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 B-65, Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8501, Japan.
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17
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Hu J, Li X, Sun TP. Four class A AUXIN RESPONSE FACTORs promote tomato fruit growth despite suppressing fruit set. NATURE PLANTS 2023; 9:706-719. [PMID: 37037878 DOI: 10.1038/s41477-023-01396-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 03/14/2023] [Indexed: 05/23/2023]
Abstract
In flowering plants, auxin produced in seeds after fertilization promotes fruit initiation. The application of auxin to unpollinated ovaries can also induce parthenocarpy (seedless fruit production). Previous studies have shown that auxin signalling components SlIAA9 and SlARF7 (a class A AUXIN RESPONSE FACTOR (ARF)) are key repressors of fruit initiation in tomato (Solanum lycopersicum). A similar repressive role of class A ARFs in fruit set has also been observed in other plant species. However, evidence is lacking for a role of any class A ARF in promoting fruit development as predicted in the current auxin signalling model. Here we generated higher-order tomato mutants of four class A SlARFs (SlARF5, SlARF7, SlARF8A and SlARF8B) and uncovered their precise combinatorial roles that lead to suppressing and promoting fruit development. All four class A SlARFs together with SlIAA9 inhibited fruit initiation but promoted subsequent fruit growth. Transgenic tomato lines expressing truncated SlARF8A/8B lacking the IAA9-interacting PB1 domain displayed strong parthenocarpy, further confirming the promoting role of SlARF8A/8B in fruit growth. Altering the doses of these four SlARFs led to biphasic fruit growth responses, showing their versatile dual roles as both negative and positive regulators. RNA-seq and chromatin immunoprecipitation-quantitative PCR analyses further identified SlARF8A/8B target genes, including those encoding MADS-BOX transcription factors (AG1, MADS2 and AGL6) that are key repressors of fruit set. These results support the idea that SlIAA9/SlARFs directly regulate the transcription of these MADS-BOX genes to inhibit fruit set. Our study reveals the previously unknown dual function of four class A SlARFs in tomato fruit development and illuminates the complex combinatorial effects of multiple ARFs in controlling auxin-mediated fruit set and fruit growth.
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Affiliation(s)
- Jianhong Hu
- Department of Biology, Duke University, Durham, NC, USA
| | - Xiao Li
- Department of Biology, Duke University, Durham, NC, USA
- School of Grassland Science, Beijing Forestry University, Beijing, P. R. China
| | - Tai-Ping Sun
- Department of Biology, Duke University, Durham, NC, USA.
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18
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Ang ACH, Østergaard L. Save your TIRs - more to auxin than meets the eye. THE NEW PHYTOLOGIST 2023; 238:971-976. [PMID: 36721296 PMCID: PMC10952682 DOI: 10.1111/nph.18783] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 01/14/2023] [Indexed: 06/18/2023]
Abstract
Auxin has long been known as an important regulator of plant growth and development. Classical studies in auxin biology have uncovered a 'canonical' transcriptional auxin-signalling pathway involving the TRANSPORT INHIBITOR RESPONSE1/AUXIN SIGNALING F-BOX (TIR1/AFB) receptors. TIR1/AFB perception of auxin triggers the degradation of repressors and the derepression of auxin-responsive genes. Nevertheless, the canonical pathway cannot account for all aspects of auxin biology, such as physiological responses that are too rapid for transcriptional regulation. This Tansley insight will explore several 'non-canonical' pathways that have been described in recent years mediating fast auxin responses. We focus on the interplay between a nontranscriptional branch of TIR1/AFB signalling and a TRANSMEMBRANE KINASE1 (TMK1)-mediated pathway in root acid growth. Other developmental aspects involving the TMKs and their association with the controversial AUXIN-BINDING PROTEIN 1 (ABP1) will be discussed. Finally, we provide an updated overview of the ETTIN (ETT)-mediated pathway in contexts outside of gynoecium development.
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Affiliation(s)
| | - Lars Østergaard
- John Innes CentreNorwichNR4 7UHUK
- Department of BiologyUniversity of OxfordOxfordOX1 3RBUK
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19
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Suzuki H, Kato H, Iwano M, Nishihama R, Kohchi T. Auxin signaling is essential for organogenesis but not for cell survival in the liverwort Marchantia polymorpha. THE PLANT CELL 2023; 35:1058-1075. [PMID: 36529527 PMCID: PMC10015169 DOI: 10.1093/plcell/koac367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 11/28/2022] [Accepted: 12/15/2022] [Indexed: 05/12/2023]
Abstract
Auxin plays pleiotropic roles in plant development via gene regulation upon its perception by the receptors TRANSPORT INHIBITOR RESPONSE 1/AUXIN SIGNALING F-BOX (TIR1/AFBs). This auxin-regulated transcriptional control mechanism originated in the common ancestor of land plants. Although the complete loss of TIR1/AFBs causes embryonic lethality in Arabidopsis thaliana, it is unclear whether the requirement for TIR1-mediated auxin perception in cell viability can be generalized. The model liverwort Marchantia polymorpha has a minimal auxin signaling system with only a single TIR1/AFB, MpTIR1. Here we show by genetic, biochemical, and transcriptomic analyses that MpTIR1 functions as an evolutionarily conserved auxin receptor. Null mutants and conditionally knocked-out mutants of MpTIR1 were viable but incapable of forming any organs and grew as cell masses. Principal component analysis performed using transcriptomes at various developmental stages indicated that MpTIR1 is involved in the developmental transition from spores to organized thalli, during which apical notches containing stem cells are established. In Mptir1 cells, stem cell- and differentiation-related genes were up- and downregulated, respectively. Our findings suggest that, in M. polymorpha, auxin signaling is dispensable for cell division but is essential for three-dimensional patterning of the plant body by establishing pluripotent stem cells for organogenesis, a derived trait of land plants.
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Affiliation(s)
- Hidemasa Suzuki
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
| | - Hirotaka Kato
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Graduate School of Science, Kobe University, Kobe 657-8501, Japan
- Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
| | - Megumi Iwano
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Ryuichi Nishihama
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda 278-8510, Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
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20
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Carrillo‐Carrasco VP, Hernandez‐Garcia J, Mutte SK, Weijers D. The birth of a giant: evolutionary insights into the origin of auxin responses in plants. EMBO J 2023; 42:e113018. [PMID: 36786017 PMCID: PMC10015382 DOI: 10.15252/embj.2022113018] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/20/2023] [Accepted: 01/25/2023] [Indexed: 02/15/2023] Open
Abstract
The plant signaling molecule auxin is present in multiple kingdoms of life. Since its discovery, a century of research has been focused on its action as a phytohormone. In land plants, auxin regulates growth and development through transcriptional and non-transcriptional programs. Some of the molecular mechanisms underlying these responses are well understood, mainly in Arabidopsis. Recently, the availability of genomic and transcriptomic data of green lineages, together with phylogenetic inference, has provided the basis to reconstruct the evolutionary history of some components involved in auxin biology. In this review, we follow the evolutionary trajectory that allowed auxin to become the "giant" of plant biology by focusing on bryophytes and streptophyte algae. We consider auxin biosynthesis, transport, physiological, and molecular responses, as well as evidence supporting the role of auxin as a chemical messenger for communication within ecosystems. Finally, we emphasize that functional validation of predicted orthologs will shed light on the conserved properties of auxin biology among streptophytes.
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Affiliation(s)
| | | | - Sumanth K Mutte
- Laboratory of BiochemistryWageningen UniversityWageningenthe Netherlands
| | - Dolf Weijers
- Laboratory of BiochemistryWageningen UniversityWageningenthe Netherlands
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21
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Wang YH, Lin XY, Cheng Y, Wang H, Liu W, Zhuge XK, Huo XL, Bao N. Vibration for enhancement of electrochemical analysis of biomolecules in a droplet on the rough surface of a disposable working electrode. Anal Chim Acta 2023; 1256:341158. [PMID: 37037634 DOI: 10.1016/j.aca.2023.341158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/20/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Abstract
Although electrochemical detection of microliters-level solutions is attractive for analysis of low-amount biological samples, its performance could be weakened by limited mass transfer due to low Reynolds number and laminar flow. Herein we designed a 3D-printed electroanalytical device to apply vibration for improvement of mass transfer during electrochemical detection. In our approach, the droplet-size sample solution containing Indole-3-acetic acid (IAA, as a model) was directly applied on the effective surface of a disposable working electrode. We demonstrated that vibration could enhance electrochemical responses of IAA more on the rough surface than on the smooth surface of the working electrodes. After optimization, the sensitivity for electrochemical detection of a 20-μL droplet under vibration with the voltage of 7 V increased more than 100% compared with the static condition. The enhanced electrochemical responses brought by vibration could be achieved reproducibly, which could be ascribed to improved mass transfer. Our strategy could be practically applied for differentiation of IAA in different tissues of Marchantia polymorpha with enhanced responses. This study suggested that vibration might become a simple and effective method to improve mass transfer in analysis of microliter-volume solutions, which might be extended for more biochemical assays.
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Affiliation(s)
- Ya-Hong Wang
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, Jiangsu, 226019, China
| | - Xiang-Yun Lin
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, Jiangsu, 226019, China
| | - Ye Cheng
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, Jiangsu, 226019, China
| | - Hua Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, 200032, China
| | - Wu Liu
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai, 200032, China.
| | - Xiang-Kai Zhuge
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, Jiangsu, 226019, China.
| | - Xiao-Lei Huo
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, Jiangsu, 226019, China.
| | - Ning Bao
- School of Public Health, Nantong University, 9 Seyuan Rd., Nantong, Jiangsu, 226019, China.
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22
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Sghaier N, Essemine J, Ayed RB, Gorai M, Ben Marzoug R, Rebai A, Qu M. An Evidence Theory and Fuzzy Logic Combined Approach for the Prediction of Potential ARF-Regulated Genes in Quinoa. PLANTS (BASEL, SWITZERLAND) 2022; 12:71. [PMID: 36616201 PMCID: PMC9824623 DOI: 10.3390/plants12010071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 11/26/2022] [Indexed: 06/17/2023]
Abstract
Quinoa constitutes among the tolerant plants to the challenging and harmful abiotic environmental factors. Quinoa was selected as among the model crops destined for bio-saline agriculture that could contribute to the staple food security for an ever-growing worldwide population under various climate change scenarios. The auxin response factors (ARFs) constitute the main contributors in the plant adaptation to severe environmental conditions. Thus, the determination of the ARF-binding sites represents the major step that could provide promising insights helping in plant breeding programs and improving agronomic traits. Hence, determining the ARF-binding sites is a challenging task, particularly in species with large genome sizes. In this report, we present a data fusion approach based on Dempster-Shafer evidence theory and fuzzy set theory to predict the ARF-binding sites. We then performed an "In-silico" identification of the ARF-binding sites in Chenopodium quinoa. The characterization of some known pathways implicated in the auxin signaling in other higher plants confirms our prediction reliability. Furthermore, several pathways with no or little available information about their functions were identified to play important roles in the adaptation of quinoa to environmental conditions. The predictive auxin response genes associated with the detected ARF-binding sites may certainly help to explore the biological roles of some unknown genes newly identified in quinoa.
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Affiliation(s)
- Nesrine Sghaier
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China
- 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
- Laboratory of Advanced Technology and Intelligent Systems, National Engineering School of Sousse, Sousse 4023, Tunisia
| | - Jemaa Essemine
- 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
| | - Rayda Ben Ayed
- Department of Agronomy and Plant Biotechnology, National Institute of Agronomy of Tunisia (INAT), 43 Avenue Charles Nicolle, 1082 El Mahrajène, University of Carthage-Tunis, Tunis 1082, Tunisia
- Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cédria, B.P. 901, Hammam Lif 2050, Tunisia
| | - Mustapha Gorai
- Higher Institute of Applied Biology Medenine, University of Gabes, Medenine 4119, Tunisia
| | - Riadh Ben Marzoug
- Laboratory of Molecular and Cellular Screening Processes, Sfax Biotechnology Center, B.P 1177, Sfax 3018, Tunisia
| | - Ahmed Rebai
- Laboratory of Molecular and Cellular Screening Processes, Sfax Biotechnology Center, B.P 1177, Sfax 3018, Tunisia
| | - Mingnan Qu
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, China
- 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
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23
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Teh OK, Singh P, Ren J, Huang LT, Ariyarathne M, Salamon BP, Wang Y, Kotake T, Fujita T. Surface-localized glycoproteins act through class C ARFs to fine-tune gametophore initiation in Physcomitrium patens. Development 2022; 149:282110. [PMID: 36520083 DOI: 10.1242/dev.200370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 10/17/2022] [Indexed: 12/23/2022]
Abstract
Arabinogalactan proteins are functionally diverse cell wall structural glycoproteins that have been implicated in cell wall remodeling, although the mechanistic actions remain elusive. Here, we identify and characterize two AGP glycoproteins, SLEEPING BEAUTY (SB) and SB-like (SBL), that negatively regulate the gametophore bud initiation in Physcomitrium patens by dampening cell wall loosening/softening. Disruption of SB and SBL led to accelerated gametophore formation and altered cell wall compositions. The function of SB is glycosylation dependent and genetically connected with the class C auxin response factor (ARF) transcription factors PpARFC1B and PpARFC2. Transcriptomics profiling showed that SB upregulates PpARFC2, which in turn suppresses a range of cell wall-modifying genes that are required for cell wall loosening/softening. We further show that PpARFC2 binds directly to multiple AuxRE motifs on the cis-regulatory sequences of PECTIN METHYLESTERASE to suppress its expression. Hence, our results demonstrate a mechanism by which the SB modulates the strength of intracellular auxin signaling output, which is necessary to fine-tune the timing of gametophore initials formation.
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Affiliation(s)
- Ooi Kock Teh
- Institute of Plant and Microbial Biology, Academia Sinica, 128 Sec.2, Academia Rd., Nankang, Taipei 11529, Taiwan.,Department of Biological Sciences, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo 060-0810, Japan
| | - Prerna Singh
- Graduate School of Life Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo 060-0810, Japan
| | - Junling Ren
- Graduate School of Life Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo 060-0810, Japan
| | - Lin Tzu Huang
- Institute of Plant and Microbial Biology, Academia Sinica, 128 Sec.2, Academia Rd., Nankang, Taipei 11529, Taiwan
| | - Menaka Ariyarathne
- Institute of Plant and Microbial Biology, Academia Sinica, 128 Sec.2, Academia Rd., Nankang, Taipei 11529, Taiwan
| | - Benjamin Prethiviraj Salamon
- Institute of Plant and Microbial Biology, Academia Sinica, 128 Sec.2, Academia Rd., Nankang, Taipei 11529, Taiwan
| | - Yu Wang
- Institute of Plant and Microbial Biology, Academia Sinica, 128 Sec.2, Academia Rd., Nankang, Taipei 11529, Taiwan
| | - Toshihisa Kotake
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, 225 Shimo-Okubo, Sakura-ku, Saitama 338-8570, Japan
| | - Tomomichi Fujita
- Department of Biological Sciences, Faculty of Science, Hokkaido University, Kita 10 Nishi 8, Kita-ku, Sapporo 060-0810, Japan
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24
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Aki SS, Morimoto T, Ohnishi T, Oda A, Kato H, Ishizaki K, Nishihama R, Kohchi T, Umeda M. R2R3-MYB transcription factor GEMMA CUP-ASSOCIATED MYB1 mediates the cytokinin signal to achieve proper organ development in Marchantia polymorpha. Sci Rep 2022; 12:21123. [PMID: 36477255 PMCID: PMC9729187 DOI: 10.1038/s41598-022-25684-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
Cytokinin, a plant hormone, plays essential roles in organ growth and development. The type-B response regulator-mediated cytokinin signaling is repressed by type-A response regulators and is conserved in the liverwort Marchantia polymorpha. Its signal coordinates the development of diverse organs on the thallus body, such as the gemma cup, rhizoid, and air pores. Here we report that the type-B response regulator MpRRB upregulates the expression of the R2R3-MYB transcription factor GEMMA CUP-ASSOCIATED MYB1 (MpGCAM1) in M. polymorpha. Whereas both Mpgcam1 and Mprrb knockout mutants exhibited defects in gemma cup formation, the Mpgcam1 Mprra double mutant, in which cytokinin signaling is activated due to the lack of type-A response regulator, also formed no gemma cups. This suggests that MpGCAM1 functions downstream of cytokinin signaling. Inducible overexpression of MpGCAM1 produced undifferentiated cell clumps on the thalli of both wild-type and Mprrb. However, smaller thalli were formed in Mprrb compared to the wild-type after the cessation of overexpression. These results suggest that cytokinin signaling promotes gemma cup formation and cellular reprogramming through MpGCAM1, while cytokinin signals also participate in activating cell division during thallus development.
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Affiliation(s)
- Shiori S. Aki
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Tomoyo Morimoto
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Taiki Ohnishi
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Ayumi Oda
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
| | - Hirotaka Kato
- grid.31432.370000 0001 1092 3077Graduate School of Science, Kobe University, Kobe, Hyogo 657-8501 Japan ,grid.255464.40000 0001 1011 3808Present Address: Graduate School of Science and Engineering, Ehime University, 2-5, Bunkyo-Cho, Matsuyama, Ehime 790-8577 Japan
| | - Kimitsune Ishizaki
- grid.31432.370000 0001 1092 3077Graduate School of Science, Kobe University, Kobe, Hyogo 657-8501 Japan
| | - Ryuichi Nishihama
- grid.143643.70000 0001 0660 6861Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Yamazaki 2641, Noda, Chiba 278‐8510 Japan
| | - Takayuki Kohchi
- grid.258799.80000 0004 0372 2033Graduate School of Biostudies, Kyoto University, Kyoto, 606-8502 Japan
| | - Masaaki Umeda
- grid.260493.a0000 0000 9227 2257Graduate School of Science and Technology, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192 Japan
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25
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Bowman JL. The origin of a land flora. NATURE PLANTS 2022; 8:1352-1369. [PMID: 36550365 DOI: 10.1038/s41477-022-01283-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 10/19/2022] [Indexed: 05/12/2023]
Abstract
The origin of a land flora fundamentally shifted the course of evolution of life on earth, facilitating terrestrialization of other eukaryotic lineages and altering the planet's geology, from changing atmospheric and hydrological cycles to transforming continental erosion processes. Despite algal lineages inhabiting the terrestrial environment for a considerable preceding period, they failed to evolve complex multicellularity necessary to conquer the land. About 470 million years ago, one lineage of charophycean alga evolved complex multicellularity via developmental innovations in both haploid and diploid generations and became land plants (embryophytes), which rapidly diversified to dominate most terrestrial habitats. Genome sequences have provided unprecedented insights into the genetic and genomic bases for embryophyte origins, with some embryophyte-specific genes being associated with the evolution of key developmental or physiological attributes, such as meristems, rhizoids and the ability to form mycorrhizal associations. However, based on the fossil record, the evolution of the defining feature of embryophytes, the embryo, and consequently the sporangium that provided a reproductive advantage, may have been most critical in their rise to dominance. The long timeframe and singularity of a land flora were perhaps due to the stepwise assembly of a large constellation of genetic innovations required to conquer the terrestrial environment.
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Affiliation(s)
- John L Bowman
- School of Biological Sciences, Monash University, Melbourne, Victoria, Australia.
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Melbourne, Victoria, Australia.
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26
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Bowman JL, Arteaga-Vazquez M, Berger F, Briginshaw LN, Carella P, Aguilar-Cruz A, Davies KM, Dierschke T, Dolan L, Dorantes-Acosta AE, Fisher TJ, Flores-Sandoval E, Futagami K, Ishizaki K, Jibran R, Kanazawa T, Kato H, Kohchi T, Levins J, Lin SS, Nakagami H, Nishihama R, Romani F, Schornack S, Tanizawa Y, Tsuzuki M, Ueda T, Watanabe Y, Yamato KT, Zachgo S. The renaissance and enlightenment of Marchantia as a model system. THE PLANT CELL 2022; 34:3512-3542. [PMID: 35976122 PMCID: PMC9516144 DOI: 10.1093/plcell/koac219] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 06/21/2022] [Indexed: 05/07/2023]
Abstract
The liverwort Marchantia polymorpha has been utilized as a model for biological studies since the 18th century. In the past few decades, there has been a Renaissance in its utilization in genomic and genetic approaches to investigating physiological, developmental, and evolutionary aspects of land plant biology. The reasons for its adoption are similar to those of other genetic models, e.g. simple cultivation, ready access via its worldwide distribution, ease of crossing, facile genetics, and more recently, efficient transformation, genome editing, and genomic resources. The haploid gametophyte dominant life cycle of M. polymorpha is conducive to forward genetic approaches. The lack of ancient whole-genome duplications within liverworts facilitates reverse genetic approaches, and possibly related to this genomic stability, liverworts possess sex chromosomes that evolved in the ancestral liverwort. As a representative of one of the three bryophyte lineages, its phylogenetic position allows comparative approaches to provide insights into ancestral land plants. Given the karyotype and genome stability within liverworts, the resources developed for M. polymorpha have facilitated the development of related species as models for biological processes lacking in M. polymorpha.
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Affiliation(s)
| | - Mario Arteaga-Vazquez
- Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa VER 91090, México
| | - Frederic Berger
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna Biocenter (VBC), Vienna 1030, Austria
| | - Liam N Briginshaw
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Melbourne VIC 3800, Australia
| | - Philip Carella
- Department of Cell and Developmental Biology, John Innes Centre, Norwich NR4 7UH, UK
| | - Adolfo Aguilar-Cruz
- Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa VER 91090, México
| | - Kevin M Davies
- The New Zealand Institute for Plant and Food Research Limited, Palmerston North 4442, New Zealand
| | - Tom Dierschke
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
| | - Liam Dolan
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna Biocenter (VBC), Vienna 1030, Austria
| | - Ana E Dorantes-Acosta
- Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa VER 91090, México
| | - Tom J Fisher
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Melbourne VIC 3800, Australia
| | - Eduardo Flores-Sandoval
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
- ARC Centre of Excellence for Plant Success in Nature and Agriculture, Monash University, Melbourne VIC 3800, Australia
| | - Kazutaka Futagami
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
| | | | - Rubina Jibran
- The New Zealand Institute for Plant & Food Research Limited, Auckland 1142, New Zealand
| | - Takehiko Kanazawa
- Division of Cellular Dynamics, National Institute for Basic Biology, Myodaiji, Okazaki, Aichi 444-8585, Japan
- The Department of Basic Biology, SOKENDAI (The Graduate University for Advanced Studies), Okazaki, Aichi 444-8585, Japan
| | - Hirotaka Kato
- Graduate School of Science, Kobe University, Kobe 657-8501, Japan
- Graduate School of Science and Engineering, Ehime University, Matsuyama, Ehime 790-8577, Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Jonathan Levins
- School of Biological Sciences, Monash University, Melbourne VIC 3800, Australia
| | - Shih-Shun Lin
- Institute of Biotechnology, National Taiwan University, Taipei 106, Taiwan
| | - Hirofumi Nakagami
- Basic Immune System of Plants, Max-Planck Institute for Plant Breeding Research, 50829 Cologne, Germany
| | - Ryuichi Nishihama
- Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba 278-8510, Japan
| | - Facundo Romani
- Department of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, UK
| | | | - Yasuhiro Tanizawa
- Department of Informatics, National Institute of Genetics, Mishima, Shizuoka 411-8540, Japan
| | - Masayuki Tsuzuki
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
| | - Takashi Ueda
- Division of Cellular Dynamics, National Institute for Basic Biology, Myodaiji, Okazaki, Aichi 444-8585, Japan
- The Department of Basic Biology, SOKENDAI (The Graduate University for Advanced Studies), Okazaki, Aichi 444-8585, Japan
| | - Yuichiro Watanabe
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
| | - Katsuyuki T Yamato
- Faculty of Biology-Oriented Science and Technology, Kindai University, Kinokawa, Wakayama 649-6493, Japan
| | - Sabine Zachgo
- Division of Botany, School of Biology and Chemistry, Osnabrück University, Osnabrück 49076, Germany
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27
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Hajheidari M, Huang SSC. Elucidating the biology of transcription factor-DNA interaction for accurate identification of cis-regulatory elements. CURRENT OPINION IN PLANT BIOLOGY 2022; 68:102232. [PMID: 35679803 PMCID: PMC10103634 DOI: 10.1016/j.pbi.2022.102232] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/26/2022] [Accepted: 05/02/2022] [Indexed: 05/03/2023]
Abstract
Transcription factors (TFs) play a critical role in determining cell fate decisions by integrating developmental and environmental signals through binding to specific cis-regulatory modules and regulating spatio-temporal specificity of gene expression patterns. Precise identification of functional TF binding sites in time and space not only will revolutionize our understanding of regulatory networks governing cell fate decisions but is also instrumental to uncover how genetic variations cause morphological diversity or disease. In this review, we discuss recent advances in mapping TF binding sites and characterizing the various parameters underlying the complexity of binding site recognition by TFs.
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Affiliation(s)
- Mohsen Hajheidari
- Center for Genomics and Systems Biology, Department of Biology, New York University, 12 Waverly Pl, New York, NY 10003, USA
| | - Shao-Shan Carol Huang
- Center for Genomics and Systems Biology, Department of Biology, New York University, 12 Waverly Pl, New York, NY 10003, USA.
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28
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Cancé C, Martin-Arevalillo R, Boubekeur K, Dumas R. Auxin response factors are keys to the many auxin doors. THE NEW PHYTOLOGIST 2022; 235:402-419. [PMID: 35434800 DOI: 10.1111/nph.18159] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 03/22/2022] [Indexed: 06/14/2023]
Abstract
In plants, most developmental programs depend on the action of auxin. The best described model of the auxin signaling pathway, which explains most, but not all, of the auxin transcriptional responses, relies on a de-repression mechanism. The auxin/indole-3-acetic acid repressors (Aux/IAAs) interact with the auxin response factors (ARFs), the transcription factors of the auxin signaling pathway, leading to repression of the ARF-controlled genes. Auxin induces Aux/IAA degradation, releases ARFs and activates transcription. However, this elegant model is not suitable for all ARFs. Indeed, in Arabidopsis, which has 22 ARFs, only five of them fit into the model since they are the ones able to interact with Aux/IAAs. The remaining 17 have a limited capacity to interact with the repressors, and their mechanisms of action are still unclear. The differential interactions between ARF and Aux/IAA proteins constitute one of many examples of the biochemical and structural diversification of ARFs that affect their action and therefore affect auxin transcriptional responses. A deeper understanding of the structural properties of ARFs is fundamental to obtaining a better explanation of the action of auxin in plants.
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Affiliation(s)
- Coralie Cancé
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG-DBSCI-LPCV, 38000, Grenoble, France
| | - Raquel Martin-Arevalillo
- Laboratoire de Reproduction et Développement des Plantes, ENS de Lyon, UCB Lyon 1, CNRS, INRA, Univ. Lyon, Lyon, France
| | - Kenza Boubekeur
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG-DBSCI-LPCV, 38000, Grenoble, France
| | - Renaud Dumas
- Univ. Grenoble Alpes, CNRS, CEA, INRAE, IRIG-DBSCI-LPCV, 38000, Grenoble, France
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29
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Goto-Yamada S, Oikawa K, Yamato KT, Kanai M, Hikino K, Nishimura M, Mano S. Image-Based Analysis Revealing the Molecular Mechanism of Peroxisome Dynamics in Plants. Front Cell Dev Biol 2022; 10:883491. [PMID: 35592252 PMCID: PMC9110829 DOI: 10.3389/fcell.2022.883491] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 04/15/2022] [Indexed: 11/13/2022] Open
Abstract
Peroxisomes are present in eukaryotic cells and have essential roles in various biological processes. Plant peroxisomes proliferate by de novo biosynthesis or division of pre-existing peroxisomes, degrade, or replace metabolic enzymes, in response to developmental stages, environmental changes, or external stimuli. Defects of peroxisome functions and biogenesis alter a variety of biological processes and cause aberrant plant growth. Traditionally, peroxisomal function-based screening has been employed to isolate Arabidopsis thaliana mutants that are defective in peroxisomal metabolism, such as lipid degradation and photorespiration. These analyses have revealed that the number, subcellular localization, and activity of peroxisomes are closely related to their efficient function, and the molecular mechanisms underlying peroxisome dynamics including organelle biogenesis, protein transport, and organelle interactions must be understood. Various approaches have been adopted to identify factors involved in peroxisome dynamics. With the development of imaging techniques and fluorescent proteins, peroxisome research has been accelerated. Image-based analyses provide intriguing results concerning the movement, morphology, and number of peroxisomes that were hard to obtain by other approaches. This review addresses image-based analysis of peroxisome dynamics in plants, especially A. thaliana and Marchantia polymorpha.
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Affiliation(s)
- Shino Goto-Yamada
- Małopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Kazusato Oikawa
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Katsuyuki T. Yamato
- Faculty of Biology-Oriented Science and Technology, Kindai University, Wakayama, Japan
| | - Masatake Kanai
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan
| | - Kazumi Hikino
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan
| | - Mikio Nishimura
- Department of Biology, Faculty of Science and Engineering, Konan University, Kobe, Japan
| | - Shoji Mano
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan
- Department of Basic Biology, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Okazaki, Japan
- *Correspondence: Shoji Mano
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30
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Fontana M, Ivanovaitė Š, Lindhoud S, van der Wijk E, Mathwig K, Berg WVD, Weijers D, Hohlbein J. Probing DNA - Transcription Factor Interactions Using Single-Molecule Fluorescence Detection in Nanofluidic Devices. Adv Biol (Weinh) 2022; 6:e2100953. [PMID: 34472724 DOI: 10.1002/adbi.202100953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/16/2021] [Indexed: 01/27/2023]
Abstract
Single-molecule fluorescence detection offers powerful ways to study biomolecules and their complex interactions. Here, nanofluidic devices and camera-based, single-molecule Förster resonance energy transfer (smFRET) detection are combined to study the interactions between plant transcription factors of the auxin response factor (ARF) family and DNA oligonucleotides that contain target DNA response elements. In particular, it is shown that the binding of the unlabeled ARF DNA binding domain (ARF-DBD) to donor and acceptor labeled DNA oligonucleotides can be detected by changes in the FRET efficiency and changes in the diffusion coefficient of the DNA. In addition, this data on fluorescently labeled ARF-DBDs suggest that, at nanomolar concentrations, ARF-DBDs are exclusively present as monomers. In general, the fluidic framework of freely diffusing molecules minimizes potential surface-induced artifacts, enables high-throughput measurements, and proved to be instrumental in shedding more light on the interactions between ARF-DBDs monomers and between ARF-DBDs and their DNA response element.
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Affiliation(s)
- Mattia Fontana
- Laboratory of Biophysics, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands.,Laboratory of Biochemistry, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Šarunė Ivanovaitė
- Laboratory of Biophysics, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Simon Lindhoud
- Laboratory of Biochemistry, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Elmar van der Wijk
- Laboratory of Biophysics, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands.,Laboratory of Biochemistry, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Klaus Mathwig
- Groningen Research Institute of Pharmacy, Pharmaceutical Analysis, University of Groningen, P.O. Box 196, 9700 AD, Groningen, The Netherlands.,Stichting Imec Nederland within OnePlanet Research Center, Bronland 10, Wageningen, 6708 WH, The Netherlands
| | - Willy van den Berg
- Laboratory of Biochemistry, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
| | - Johannes Hohlbein
- Laboratory of Biochemistry, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands.,Microspectroscopy Research Facility, Wageningen University and Research, Stippeneng 4, Wageningen, 6708 WE, The Netherlands
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31
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Abstract
The liverwort Marchantia polymorpha has been known to man for millennia due to its inclusion Greek herbals. Perhaps due to its familiarity and association with growth in, often, man-made disturbed habitats, it was readily used to address fundamental biological questions of the day, including elucidation of land plant life cycles in the late 18th century, the formulation of cell theory early in the 19th century and the discovery of the alternation of generations in land plants in the mid-19th century. Subsequently, Marchantia was used as model in botany classes. With the arrival of the molecular era, its organellar genomes, the chloroplast and mitochondrial, were some of the first to be sequenced from any plant. In the past two decades, molecular genetic tools have been applied such that genes may be manipulated seemingly at will. Here, are past, present, and some views to the future of Marchantia as a model.
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Affiliation(s)
- John L Bowman
- School of Biological Sciences, Monash University, Melbourne, VIC, Australia.
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32
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Ishida S, Suzuki H, Iwaki A, Kawamura S, Yamaoka S, Kojima M, Takebayashi Y, Yamaguchi K, Shigenobu S, Sakakibara H, Kohchi T, Nishihama R. Diminished Auxin Signaling Triggers Cellular Reprogramming by Inducing a Regeneration Factor in the Liverwort Marchantia polymorpha. PLANT & CELL PHYSIOLOGY 2022; 63:384-400. [PMID: 35001102 DOI: 10.1093/pcp/pcac004] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/30/2021] [Accepted: 01/06/2022] [Indexed: 05/27/2023]
Abstract
Regeneration in land plants is accompanied by the establishment of new stem cells, which often involves reactivation of the cell division potential in differentiated cells. The phytohormone auxin plays pivotal roles in this process. In bryophytes, regeneration is enhanced by the removal of the apex and repressed by exogenously applied auxin, which has long been proposed as a form of apical dominance. However, the molecular basis behind these observations remains unexplored. Here, we demonstrate that in the liverwort Marchantia polymorpha, the level of endogenous auxin is transiently decreased in the cut surface of decapitated explants, and identify by transcriptome analysis a key transcription factor gene, LOW-AUXIN RESPONSIVE (MpLAXR), which is induced upon auxin reduction. Loss of MpLAXR function resulted in delayed cell cycle reactivation, and transient expression of MpLAXR was sufficient to overcome the inhibition of regeneration by exogenously applied auxin. Furthermore, ectopic expression of MpLAXR caused cell proliferation in normally quiescent tissues. Together, these data indicate that decapitation causes a reduction of auxin level at the cut surface, where, in response, MpLAXR is up-regulated to trigger cellular reprogramming. MpLAXR is an ortholog of Arabidopsis ENHANCER OF SHOOT REGENERATION 1/DORNRÖSCHEN, which has dual functions as a shoot regeneration factor and a regulator of axillary meristem initiation, the latter of which requires a low auxin level. Thus, our findings provide insights into stem cell regulation as well as apical dominance establishment in land plants.
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Affiliation(s)
- Sakiko Ishida
- Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, 606-8502 Japan
| | - Hidemasa Suzuki
- Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, 606-8502 Japan
| | - Aya Iwaki
- Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, 606-8502 Japan
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba, 278-8510 Japan
| | - Shogo Kawamura
- Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, 606-8502 Japan
| | - Shohei Yamaoka
- Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, 606-8502 Japan
| | - Mikiko Kojima
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, 230-0045 Japan
| | - Yumiko Takebayashi
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, 230-0045 Japan
| | - Katsushi Yamaguchi
- Functional Genomics Facility, National Institute for Basic Biology, Okazaki, Aichi, 444-8585 Japan
| | - Shuji Shigenobu
- Functional Genomics Facility, National Institute for Basic Biology, Okazaki, Aichi, 444-8585 Japan
| | - Hitoshi Sakakibara
- RIKEN Center for Sustainable Resource Science, Tsurumi-ku, Yokohama, 230-0045 Japan
- Graduate School of Bioagricultural Sciences, Nagoya University, Chikusa-ku, Nagoya, 464-8601 Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, 606-8502 Japan
| | - Ryuichi Nishihama
- Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto, 606-8502 Japan
- Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba, 278-8510 Japan
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33
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Brophy JAN. Toward synthetic plant development. PLANT PHYSIOLOGY 2022; 188:738-748. [PMID: 34904660 PMCID: PMC8825267 DOI: 10.1093/plphys/kiab568] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 11/01/2021] [Indexed: 06/14/2023]
Abstract
The ability to engineer plant form will enable the production of novel agricultural products designed to tolerate extreme stresses, boost yield, reduce waste, and improve manufacturing practices. While historically, plants were altered through breeding to change their size or shape, advances in our understanding of plant development and our ability to genetically engineer complex eukaryotes are leading to the direct engineering of plant structure. In this review, I highlight the central role of auxin in plant development and the synthetic biology approaches that could be used to turn auxin-response regulators into powerful tools for modifying plant form. I hypothesize that recoded, gain-of-function auxin response proteins combined with synthetic regulation could be used to override endogenous auxin signaling and control plant structure. I also argue that auxin-response regulators are key to engineering development in nonmodel plants and that single-cell -omics techniques will be essential for characterizing and modifying auxin response in these plants. Collectively, advances in synthetic biology, single-cell -omics, and our understanding of the molecular mechanisms underpinning development have set the stage for a new era in the engineering of plant structure.
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Affiliation(s)
- Jennifer A N Brophy
- Department of Bioengineering, Stanford University, Stanford, California 94305, USA
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34
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Strader L, Weijers D, Wagner D. Plant transcription factors - being in the right place with the right company. CURRENT OPINION IN PLANT BIOLOGY 2022; 65:102136. [PMID: 34856504 PMCID: PMC8844091 DOI: 10.1016/j.pbi.2021.102136] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/29/2021] [Accepted: 10/04/2021] [Indexed: 05/15/2023]
Abstract
Transcriptional regulation underlies many of the growth and developmental processes that shape plants as well as their adaptation to their environment. Key to transcriptional control are transcription factors, DNA-binding proteins that serve two essential functions: to find the appropriate DNA contact sites in their target genes; and to recruit other proteins to execute transcriptional transactions. In recent years, protein structural, genomic, bioinformatic, and proteomic analyses have led to new insights into how these central functions are regulated. Here, we review new findings relating to plant transcription factor function and to their role in shaping transcription in the context of chromatin.
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Affiliation(s)
- Lucia Strader
- Department of Biology, Duke University, Durham, NC, USA
| | - Dolf Weijers
- Wageningen University, Laboratory of Biochemistry, Wageningen, the Netherlands
| | - Doris Wagner
- Department of Biology, University of Pennsylvania, Philadelphia, PA, USA.
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35
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Auxin Response Factors Are Ubiquitous in Plant Growth and Development, and Involved in Crosstalk between Plant Hormones: A Review. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12031360] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Auxin response factors (ARFs) are an important family of transcription factors involved in the exertion of auxin in plants and play a key role in regulating the growth and development of plant nutritional and reproductive organs such as roots, stems, leaves, flowers, fruits, and seeds. Foods of plant origin occupy an important place in the nutritional structure of the human diet, and the main edible parts of different plants vary. In this paper, we review recent research reports on ARFs and summarize its role in the regulation of leaf, flower, root, and fruit growth, as well as other important life activities. We also present the challenges and opportunities that ARFs will present in the future. It will be important to deepen our understanding of the mechanisms by which ARFs interact with other proteins or genes. In addition, it is worth considering that more technical tools should be put into the study of ARFs and that the research should be oriented towards solving practical problems. In the future, it is expected that the nutrition and function of plant-derived foods can be improved through gene editing and other means.
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36
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Abstract
Auxin signaling regulates growth and developmental processes in plants. The core of nuclear auxin signaling relies on just three components: TIR1/AFBs, Aux/IAAs, and ARFs. Each component is itself made up of several domains, all of which contribute to the regulation of auxin signaling. Studies of the structural aspects of these three core signaling components have deepened our understanding of auxin signaling dynamics and regulation. In addition to the structured domains of these components, intrinsically disordered regions within the proteins also impact auxin signaling outcomes. New research is beginning to uncover the role intrinsic disorder plays in auxin-regulated degradation and subcellular localization. Structured and intrinsically disordered domains affect auxin perception, protein degradation dynamics, and DNA binding. Taken together, subtle differences within the domains and motifs of each class of auxin signaling component affect signaling outcomes and specificity.
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Affiliation(s)
- Nicholas Morffy
- Department of Biology, Duke University, Durham, North Carolina 27708, USA
- Center for Science and Engineering Living Systems (CSELS), Washington University, St. Louis, Missouri 63130, USA
| | - Lucia C Strader
- Department of Biology, Duke University, Durham, North Carolina 27708, USA
- Center for Science and Engineering Living Systems (CSELS), Washington University, St. Louis, Missouri 63130, USA
- Center for Engineering Mechanobiology, Washington University, St. Louis, Missouri 63130, USA
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37
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Pernisová M, Vernoux T. Auxin Does the SAMba: Auxin Signaling in the Shoot Apical Meristem. Cold Spring Harb Perspect Biol 2021; 13:a039925. [PMID: 33903154 PMCID: PMC8634999 DOI: 10.1101/cshperspect.a039925] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Plants, in contrast to animals, are unique in their capacity to postembryonically develop new organs due to the activity of stem cell populations, located in specialized tissues called meristems. Above ground, the shoot apical meristem generates aerial organs and tissues throughout plant life. It is well established that auxin plays a central role in the functioning of the shoot apical meristem. Auxin distribution in the meristem is not uniform and depends on the interplay between biosynthesis, transport, and degradation. Auxin maxima and minima are created, and result in transcriptional outputs that drive the development of new organs and contribute to meristem maintenance. To uncover and understand complex signaling networks such as the one regulating auxin responses in the shoot apical meristem remains a challenge. Here, we will discuss our current understanding and point to important research directions for the future.
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Affiliation(s)
- Markéta Pernisová
- Laboratoire Reproduction et Développement des Plantes, University at Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, 69342 Lyon, France
- Functional Genomics and Proteomics, National Centre for Biomolecula Research, Faculty of Science, Masaryk University and CEITEC MU, 62500 Brno, Czech Republic
| | - Teva Vernoux
- Laboratoire Reproduction et Développement des Plantes, University at Lyon, ENS de Lyon, UCB Lyon 1, CNRS, INRAE, 69342 Lyon, France
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38
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Yamaoka S, Inoue K, Araki T. Regulation of gametangia and gametangiophore initiation in the liverwort Marchantia polymorpha. PLANT REPRODUCTION 2021; 34:297-306. [PMID: 34117568 DOI: 10.1007/s00497-021-00419-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 06/07/2021] [Indexed: 06/12/2023]
Abstract
The liverwort Marchantia polymorpha regulates gametangia and gametangiophore development by using evolutionarily conserved regulatory modules that are shared with angiosperm mechanisms regulating flowering and germ cell differentiation. Bryophytes, the earliest diverged lineage of land plants comprised of liverworts, mosses, and hornworts, produce gametes in gametangia, reproductive organs evolutionarily conserved but lost in extant angiosperms. Initiation of gametangium development is dependent on environmental factors such as light, although the underlying mechanisms remain elusive. Recent studies showed that the liverwort Marchantia polymorpha regulates development of gametangia and stalked receptacles called gametangiophores by using conserved regulatory modules which, in angiosperms, are involved in light signaling, microRNA-mediated flowering regulation, and germ cell differentiation. These findings suggest that these modules were acquired by a common ancestor of land plants before divergence of bryophytes, and were later recruited to flowering mechanism in angiosperms.
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Affiliation(s)
- Shohei Yamaoka
- Graduate School of Biostudies, Kyoto University, Kyoto, 606-8501, Japan.
| | - Keisuke Inoue
- Graduate School of Biostudies, Kyoto University, Kyoto, 606-8501, Japan
| | - Takashi Araki
- Graduate School of Biostudies, Kyoto University, Kyoto, 606-8501, Japan.
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39
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Ma Y, Wolf S, Lohmann JU. Casting the Net-Connecting Auxin Signaling to the Plant Genome. Cold Spring Harb Perspect Biol 2021; 13:a040006. [PMID: 33903151 PMCID: PMC8559546 DOI: 10.1101/cshperspect.a040006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Auxin represents one of the most potent and most versatile hormonal signals in the plant kingdom. Built on a simple core of only a few dedicated components, the auxin signaling system plays important roles for diverse aspects of plant development, physiology, and defense. Key to the diversity of context-dependent functional outputs generated by cells in response to this small molecule are gene duplication events and sub-functionalization of signaling components on the one hand, and a deep embedding of the auxin signaling system into complex regulatory networks on the other hand. Together, these evolutionary innovations provide the mechanisms to allow each cell to display a highly specific auxin response that suits its individual requirements. In this review, we discuss the regulatory networks connecting auxin with a large number of diverse pathways at all relevant levels of the signaling system ranging from biosynthesis to transcriptional response.
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Affiliation(s)
- Yanfei Ma
- Department of Stem Cell Biology, Centre for Organismal Studies, Heidelberg University, D-69120 Heidelberg, Germany
| | - Sebastian Wolf
- Cell Wall Signalling Group, Centre for Organismal Studies, Heidelberg University, D-69120 Heidelberg, Germany
| | - Jan U Lohmann
- Department of Stem Cell Biology, Centre for Organismal Studies, Heidelberg University, D-69120 Heidelberg, Germany
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40
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Kohchi T, Yamato KT, Ishizaki K, Yamaoka S, Nishihama R. Development and Molecular Genetics of Marchantia polymorpha. ANNUAL REVIEW OF PLANT BIOLOGY 2021; 72:677-702. [PMID: 33684298 DOI: 10.1146/annurev-arplant-082520-094256] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Bryophytes occupy a basal position in the monophyletic evolution of land plants and have a life cycle in which the gametophyte generation dominates over the sporophyte generation, offering a significant advantage in conducting genetics. Owing to its low genetic redundancy and the availability of an array of versatile molecular tools, including efficient genome editing, the liverwort Marchantia polymorpha has become a model organism of choice that provides clues to the mechanisms underlying eco-evo-devo biology in plants. Recent analyses of developmental mutants have revealed that key genes in developmental processes are functionally well conserved in plants, despite their morphological differences, and that lineage-specific evolution occurred by neo/subfunctionalization of common ancestral genes. We suggest that M. polymorpha is an excellent platform to uncover the conserved and diversified mechanisms underlying land plant development.
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Affiliation(s)
- Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan; , ,
| | - Katsuyuki T Yamato
- Faculty of Biology-Oriented Science and Technology, Kindai University, Kinokawa 649-6493, Japan;
| | | | - Shohei Yamaoka
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan; , ,
| | - Ryuichi Nishihama
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan; , ,
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41
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Bowman JL, Flores Sandoval E, Kato H. On the Evolutionary Origins of Land Plant Auxin Biology. Cold Spring Harb Perspect Biol 2021; 13:cshperspect.a040048. [PMID: 33558368 DOI: 10.1101/cshperspect.a040048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Indole-3-acetic acid, that is, auxin, is a molecule found in a broad phylogenetic distribution of organisms, from bacteria to eukaryotes. In the ancestral land plant auxin was co-opted to be the paramount phytohormone mediating tropic responses and acting as a facilitator of developmental decisions throughout the life cycle. The evolutionary origins of land plant auxin biology genes can now be traced with reasonable clarity. Genes encoding the two enzymes of the land plant auxin biosynthetic pathway arose in the ancestral land plant by a combination of horizontal gene transfer from bacteria and possible neofunctionalization following gene duplication. Components of the auxin transcriptional signaling network have their origins in ancestral alga genes, with gene duplication and neofunctionalization of key domains allowing integration of a portion of the preexisting transcriptional network with auxin. Knowledge of the roles of orthologous genes in extant charophycean algae is lacking, but could illuminate the ancestral functions of both auxin and the co-opted transcriptional network.
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Affiliation(s)
- John L Bowman
- School of Biological Science, Monash University, Melbourne, Victoria 3800, Australia
| | | | - Hirotaka Kato
- Graduate School of Science, Kobe University, Kobe 657-8501, Japan
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42
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McLaughlin HM, Ang ACH, Østergaard L. Noncanonical Auxin Signaling. Cold Spring Harb Perspect Biol 2021; 13:cshperspect.a039917. [PMID: 33431583 PMCID: PMC8091950 DOI: 10.1101/cshperspect.a039917] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Auxin influences all aspects of plant growth and development and exerts its function at scales ranging from the subcellular to the whole-organism level. A canonical mechanism for auxin signaling has been elucidated, which is based on derepression of downstream genes via ubiquitin-mediated degradation of transcriptional repressors. While the combinatorial nature of this canonical pathway provides great potential for specificity in the auxin response, alternative noncanonical signaling pathways required to mediate certain processes have been identified. One such pathway affects gene regulation in a manner that is reminiscent of mechanisms employed in animal hormone signaling, while another triggers transcriptional changes through auxin perception at the plasma membrane and the stabilization of transcriptional repressors. In some cases, the exact perception mechanisms and the nature of the receptors involved are yet to be revealed. In this review, we describe and discuss current knowledge on noncanonical auxin signaling and highlight unresolved questions surrounding auxin biology.
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Affiliation(s)
- Heather Marie McLaughlin
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, United Kingdom
| | - Aaron Chun Hou Ang
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, United Kingdom
| | - Lars Østergaard
- Crop Genetics Department, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, United Kingdom
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43
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Romani F, Moreno JE. Molecular mechanisms involved in functional macroevolution of plant transcription factors. THE NEW PHYTOLOGIST 2021; 230:1345-1353. [PMID: 33368298 DOI: 10.1111/nph.17161] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 12/17/2020] [Indexed: 05/04/2023]
Abstract
Transcription factors (TFs) are key components of the transcriptional regulation machinery. In plants, they accompanied the evolution from unicellular aquatic algae to complex flowering plants that dominate the land environment. The adaptations of the body plan and physiological responses required changes in the biological functions of TFs. Some ancestral gene regulatory networks are highly conserved, while others evolved more recently and only exist in particular lineages. The recent emergence of novel model organisms provided the opportunity for comparative studies, producing new insights to infer these evolutionary trajectories. In this review, we comprehensively revisit the recent literature on TFs of nonseed plants and algae, focusing on the molecular mechanisms driving their functional evolution. We discuss the particular contribution of changes in DNA-binding specificity, protein-protein interactions and cis-regulatory elements to gene regulatory networks. Current advances have shown that these evolutionary processes were shaped by changes in TF expression pattern, not through great innovation in TF protein sequences. We propose that the role of TFs associated with environmental and developmental regulation was unevenly conserved during land plant evolution.
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Affiliation(s)
- Facundo Romani
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Agrobiotecnología del Litoral, Centro Científico Tecnológico CONICET Santa Fe, Universidad Nacional del Litoral - CONICET, Colectora RN 168 km. 0, Paraje El Pozo, Santa Fe, 3000, Argentina
| | - Javier E Moreno
- Facultad de Bioquímica y Ciencias Biológicas, Instituto de Agrobiotecnología del Litoral, Centro Científico Tecnológico CONICET Santa Fe, Universidad Nacional del Litoral - CONICET, Colectora RN 168 km. 0, Paraje El Pozo, Santa Fe, 3000, Argentina
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44
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Das S, Weijers D, Borst JW. Auxin Response by the Numbers. TRENDS IN PLANT SCIENCE 2021; 26:442-451. [PMID: 33500193 DOI: 10.1016/j.tplants.2020.12.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 06/12/2023]
Abstract
Auxin is fundamental to the growth and development of land plants, and acts in large part through the control of gene activity. Genetic and biochemical analysis of the nuclear auxin signaling pathway (NAP) has led to the establishment of a generic model for auxin-dependent gene regulation. To understand how this dynamic system operates in living cells, quantitative data are needed. For this, the liverwort Marchantia polymorpha provides a useful model system. Its limited number of NAP components, combined with experimental approaches to determine concentrations, binding affinities, and turnover rates, will enable a new, quantitative view on the mechanisms that allow auxin to control plant growth and development.
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Affiliation(s)
- Shubhajit Das
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE Wageningen, The Netherlands
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE Wageningen, The Netherlands.
| | - Jan Willem Borst
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708WE Wageningen, The Netherlands.
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45
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Ramos Báez R, Nemhauser JL. Expansion and innovation in auxin signaling: where do we grow from here? Development 2021; 148:148/5/dev187120. [PMID: 33712444 DOI: 10.1242/dev.187120] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The phytohormone auxin plays a role in almost all growth and developmental responses. The primary mechanism of auxin action involves the regulation of transcription via a core signaling pathway comprising proteins belonging to three classes: receptors, co-receptor/co-repressors and transcription factors. Recent studies have revealed that auxin signaling can be traced back at least as far as the transition to land. Moreover, studies in flowering plants have highlighted how expansion of the gene families encoding auxin components is tied to functional diversification. As we review here, these studies paint a picture of auxin signaling evolution as a driver of innovation.
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Affiliation(s)
- Román Ramos Báez
- University of Washington, Department of Biology, Seattle, WA 98105-1800, USA
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46
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Physcomitrium patens: A Single Model to Study Oriented Cell Divisions in 1D to 3D Patterning. Int J Mol Sci 2021; 22:ijms22052626. [PMID: 33807788 PMCID: PMC7961494 DOI: 10.3390/ijms22052626] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 02/25/2021] [Accepted: 02/25/2021] [Indexed: 12/14/2022] Open
Abstract
Development in multicellular organisms relies on cell proliferation and specialization. In plants, both these processes critically depend on the spatial organization of cells within a tissue. Owing to an absence of significant cellular migration, the relative position of plant cells is virtually made permanent at the moment of division. Therefore, in numerous plant developmental contexts, the (divergent) developmental trajectories of daughter cells are dependent on division plane positioning in the parental cell. Prior to and throughout division, specific cellular processes inform, establish and execute division plane control. For studying these facets of division plane control, the moss Physcomitrium (Physcomitrella) patens has emerged as a suitable model system. Developmental progression in this organism starts out simple and transitions towards a body plan with a three-dimensional structure. The transition is accompanied by a series of divisions where cell fate transitions and division plane positioning go hand in hand. These divisions are experimentally highly tractable and accessible. In this review, we will highlight recently uncovered mechanisms, including polarity protein complexes and cytoskeletal structures, and transcriptional regulators, that are required for 1D to 3D body plan formation.
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47
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Suzuki H, Kohchi T, Nishihama R. Auxin Biology in Bryophyta: A Simple Platform with Versatile Functions. Cold Spring Harb Perspect Biol 2021; 13:cshperspect.a040055. [PMID: 33431584 PMCID: PMC7919391 DOI: 10.1101/cshperspect.a040055] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Bryophytes, including liverworts, mosses, and hornworts, are gametophyte-dominant land plants that are derived from a common ancestor and underwent independent evolution from the sporophyte-dominant vascular plants since their divergence. The plant hormone auxin has been shown to play pleiotropic roles in the haploid bodies of bryophytes. Pharmacological and chemical studies identified conserved auxin molecules, their inactivated forms, and auxin transport in bryophyte tissues. Recent genomic and molecular biological studies show deep conservation of components and their functions in auxin biosynthesis, inactivation, transport, and signaling in land plants. Low genetic redundancy in model bryophytes enable unique assays, which are elucidating the design principles of the auxin signaling pathway. In this article, the physiological roles of auxin and regulatory mechanisms of gene expression and development by auxin in Bryophyta are reviewed.
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Affiliation(s)
- Hidemasa Suzuki
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Takayuki Kohchi
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
| | - Ryuichi Nishihama
- Graduate School of Biostudies, Kyoto University, Kyoto 606-8502, Japan
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48
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Landberg K, Šimura J, Ljung K, Sundberg E, Thelander M. Studies of moss reproductive development indicate that auxin biosynthesis in apical stem cells may constitute an ancestral function for focal growth control. THE NEW PHYTOLOGIST 2021; 229:845-860. [PMID: 32901452 PMCID: PMC7821132 DOI: 10.1111/nph.16914] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 08/23/2020] [Indexed: 05/28/2023]
Abstract
The plant hormone auxin is a key factor for regulation of plant development, and this function was probably reinforced during the evolution of early land plants. We have extended the available toolbox to allow detailed studies of how auxin biosynthesis and responses are regulated in moss reproductive organs, their stem cells and gametes to better elucidate the function of auxin in the morphogenesis of early land plants. We measured auxin metabolites and identified IPyA (indole-3-pyruvic acid) as the main biosynthesis pathway in Physcomitrium (Physcomitrella) patens and established knock-out, overexpressor and reporter lines for biosynthesis genes which were analyzed alongside previously reported auxin-sensing and transport reporters. Vegetative and reproductive apical stem cells synthesize auxin. Sustained stem cell activity depends on an inability to sense the auxin produced while progeny of the stem cells respond to the auxin, aiding in the control of cell division, expansion and differentiation. Gamete precursors are dependent on a certain degree of auxin sensing, while the final differentiation is a low auxin-sensing process. Tha data presented indicate that low auxin activity may represent a conserved hallmark of land plant gametes, and that local auxin biosynthesis in apical stem cells may be part of an ancestral mechanism to control focal growth.
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Affiliation(s)
- Katarina Landberg
- Department of Plant BiologyThe Linnean Centre for Plant Biology in UppsalaSwedish University of Agricultural SciencesUppsalaSE‐750 07Sweden
| | - Jan Šimura
- Department of Forest Genetics and Plant PhysiologyUmeå Plant Science CentreSwedish University of Agricultural Sciences (SLU)UmeåSE‐901 83Sweden
| | - Karin Ljung
- Department of Forest Genetics and Plant PhysiologyUmeå Plant Science CentreSwedish University of Agricultural Sciences (SLU)UmeåSE‐901 83Sweden
| | - Eva Sundberg
- Department of Plant BiologyThe Linnean Centre for Plant Biology in UppsalaSwedish University of Agricultural SciencesUppsalaSE‐750 07Sweden
| | - Mattias Thelander
- Department of Plant BiologyThe Linnean Centre for Plant Biology in UppsalaSwedish University of Agricultural SciencesUppsalaSE‐750 07Sweden
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49
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Rico-Reséndiz F, Cervantes-Pérez SA, Espinal-Centeno A, Dipp-Álvarez M, Oropeza-Aburto A, Hurtado-Bautista E, Cruz-Hernández A, Bowman JL, Ishizaki K, Arteaga-Vázquez MA, Herrera-Estrella L, Cruz-Ramírez A. Transcriptional and Morpho-Physiological Responses of Marchantia polymorpha upon Phosphate Starvation. Int J Mol Sci 2020; 21:ijms21218354. [PMID: 33171770 PMCID: PMC7672586 DOI: 10.3390/ijms21218354] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 01/22/2023] Open
Abstract
Phosphate (Pi) is a pivotal nutrient that constraints plant development and productivity in natural ecosystems. Land colonization by plants, more than 470 million years ago, evolved adaptive mechanisms to conquer Pi-scarce environments. However, little is known about the molecular basis underlying such adaptations at early branches of plant phylogeny. To shed light on how early divergent plants respond to Pi limitation, we analyzed the morpho-physiological and transcriptional dynamics of Marchantia polymorpha upon Pi starvation. Our phylogenomic analysis highlights some gene networks present since the Chlorophytes and others established in the Streptophytes (e.g., PHR1–SPX1 and STOP1–ALMT1, respectively). At the morpho-physiological level, the response is characterized by the induction of phosphatase activity, media acidification, accumulation of auronidins, reduction of internal Pi concentration, and developmental modifications of rhizoids. The transcriptional response involves the induction of MpPHR1, Pi transporters, lipid turnover enzymes, and MpMYB14, which is an essential transcription factor for auronidins biosynthesis. MpSTOP2 up-regulation correlates with expression changes in genes related to organic acid biosynthesis and transport, suggesting a preference for citrate exudation. An analysis of MpPHR1 binding sequences (P1BS) shows an enrichment of this cis regulatory element in differentially expressed genes. Our study unravels the strategies, at diverse levels of organization, exerted by M. polymorpha to cope with low Pi availability.
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Affiliation(s)
- Félix Rico-Reséndiz
- Molecular and Developmental Complexity Group, Unidad de Genómica Avanzada, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico; (F.R.-R.); (A.E.-C.); (M.D.-Á.)
| | - Sergio Alan Cervantes-Pérez
- Plant Physiology and Metabolic Engineering Group, Unidad de Genómica Avanzada, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico; (S.A.C.-P.); (A.O.-A.); (L.H.-E.)
| | - Annie Espinal-Centeno
- Molecular and Developmental Complexity Group, Unidad de Genómica Avanzada, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico; (F.R.-R.); (A.E.-C.); (M.D.-Á.)
| | - Melissa Dipp-Álvarez
- Molecular and Developmental Complexity Group, Unidad de Genómica Avanzada, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico; (F.R.-R.); (A.E.-C.); (M.D.-Á.)
| | - Araceli Oropeza-Aburto
- Plant Physiology and Metabolic Engineering Group, Unidad de Genómica Avanzada, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico; (S.A.C.-P.); (A.O.-A.); (L.H.-E.)
| | - Enrique Hurtado-Bautista
- Molecular Biology and Microbial Ecology, Unidad Irapuato, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico;
| | - Andrés Cruz-Hernández
- Escuela de Agronomía, Universidad de La Salle Bajío, León 37160, Guanajuato, Mexico;
| | - John L. Bowman
- School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia;
| | | | - Mario A. Arteaga-Vázquez
- Group of Epigenetics and Developmental Biology, Instituto de Biotecnología y Ecología Aplicada (INBIOTECA), Universidad Veracruzana, Xalapa 91640, Mexico;
| | - Luis Herrera-Estrella
- Plant Physiology and Metabolic Engineering Group, Unidad de Genómica Avanzada, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico; (S.A.C.-P.); (A.O.-A.); (L.H.-E.)
- Institute of Genomics for Crop Abiotic Stress Tolerance, Department of Plant and Soil Sciences, Texas Tech University, Lubbock, TX 79409, USA
| | - Alfredo Cruz-Ramírez
- Molecular and Developmental Complexity Group, Unidad de Genómica Avanzada, Centro de Investigación y Estudios Avanzados, Instituto Politécnico Nacional, Irapuato 36824, Guanajuato, Mexico; (F.R.-R.); (A.E.-C.); (M.D.-Á.)
- Correspondence: ; Tel.: +52-462-166-3000 (ext. 3005)
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Kato H, Yasui Y, Ishizaki K. Gemma cup and gemma development in Marchantia polymorpha. THE NEW PHYTOLOGIST 2020; 228:459-465. [PMID: 32390245 DOI: 10.1111/nph.16655] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 04/09/2020] [Indexed: 05/05/2023]
Abstract
The basal land plant Marchantia polymorpha efficiently propagates in favourable environments through clonal progeny called gemmae. Gemmae develop in cup-shaped receptacles known as gemma cups, which are formed on the gametophyte body. Anatomical studies have described the developmental processes involved over a century ago; however, little is known about the underlying molecular mechanisms. Recent studies have started to unravel the mechanism underlying genetic and hormonal regulation of gemma cup and gemma development, showing that it shares some regulatory mechanisms with several sporophytic organs in angiosperms. Further study of these specialized organs will contribute to our understanding of the core regulatory modules underlying organ development in land plants and how these became so diversified morphologically over the course of evolution.
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Affiliation(s)
- Hirotaka Kato
- Graduate School of Science, Kobe University, Kobe, 657-8501, Japan
| | - Yukiko Yasui
- Graduate School of Biostudies, Kyoto University, Kyoto, 606-8501, Japan
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