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Rybin DA, Sukhova AA, Syomin AA, Zdobnova TA, Berezina EV, Brilkina AA. Characteristics of Callus and Cell Suspension Cultures of Highbush Blueberry ( Vaccinium corymbosum L.) Cultivated in the Presence of Different Concentrations of 2,4-D and BAP in a Nutrient Medium. PLANTS (BASEL, SWITZERLAND) 2024; 13:3279. [PMID: 39683072 DOI: 10.3390/plants13233279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2024] [Revised: 11/15/2024] [Accepted: 11/18/2024] [Indexed: 12/18/2024]
Abstract
In this work, cultures of callus and suspension cells originating from leaves of sterile highbush blueberry (Vaccinium corymbosum L.) plants were obtained and characterized. For their active growth and production of phenolic compounds, a combination of 2,4-D at a concentration of 0.34-2.25 µM and BAP at a concentration of 0.45-2.25 µM is effective. An increase in the phytohormone concentration leads to a slowdown in culture formation and reduces their ability to synthesize phenolic compounds. When cultivating V. corymbosum suspension cells over a year (12 passages), they not only retain the ability to synthesize phenolic compounds but also enhance it. By the 12th passage, the content of TSPC in suspension cells reaches 150 mg/g DW, the content of flavonoids reaches 100 mg/g DW, the content of flavans reaches 40 mg/g DW, and the content of proanthocyanidins reaches 30 mg/g DW. The high content of phenolic compounds may be due to the high expression of genes in flavonoid biosynthesis enzymes. V. corymbosum suspension cells accumulate a high level of phenolic compounds during a passage. The ability of V. corymbosum callus and cell suspension cultures in the presence of low concentrations of phytohormones to grow and accumulate biologically active phenolic compounds determines their high economic significance and prospects for organizing a biotechnological method for obtaining phenolic compounds.
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Affiliation(s)
- Dmitry A Rybin
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603022 Nizhny Novgorod, Russia
| | - Alina A Sukhova
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603022 Nizhny Novgorod, Russia
| | - Andrey A Syomin
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603022 Nizhny Novgorod, Russia
| | - Tatiana A Zdobnova
- Department of Biophysics, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603022 Nizhny Novgorod, Russia
| | - Ekaterina V Berezina
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603022 Nizhny Novgorod, Russia
| | - Anna A Brilkina
- Department of Biochemistry and Biotechnology, Institute of Biology and Biomedicine, Lobachevsky State University of Nizhny Novgorod, Gagarin Avenue 23, 603022 Nizhny Novgorod, Russia
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Smith ES, Nimchuk ZL. What a tangled web it weaves: auxin coordination of stem cell maintenance and flower production. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6950-6963. [PMID: 37661937 PMCID: PMC10690728 DOI: 10.1093/jxb/erad340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 08/25/2023] [Indexed: 09/05/2023]
Abstract
Robust agricultural yields require consistent flower production throughout fluctuating environmental conditions. Floral primordia are produced in the inflorescence meristem, which contains a pool of continuously dividing stem cells. Daughter cells of these divisions either retain stem cell identity or are pushed to the SAM periphery, where they become competent to develop into floral primordia after receiving the appropriate signal. Thus, flower production is inherently linked to regulation of the stem cell pool. The plant hormone auxin promotes flower development throughout its early phases and has been shown to interact with the molecular pathways regulating stem cell maintenance. Here, we will summarize how auxin signaling contributes to stem cell maintenance and promotes flower development through the early phases of initiation, outgrowth, and floral fate establishment. Recent advances in this area suggest that auxin may serve as a signal that integrates stem cell maintenance and new flower production.
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Affiliation(s)
- Elizabeth Sarkel Smith
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Zachary L Nimchuk
- Department of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Chen X, Liu Y, Zhang X, Zheng B, Han Y, Zhang RX. PpARF6 acts as an integrator of auxin and ethylene signaling to promote fruit ripening in peach. HORTICULTURE RESEARCH 2023; 10:uhad158. [PMID: 37719277 PMCID: PMC10500152 DOI: 10.1093/hr/uhad158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 07/27/2023] [Indexed: 09/19/2023]
Abstract
Although auxin is known to induce ethylene biosynthesis in some Rosaceae fruit crops, the mechanisms underlying the auxin-ethylene interaction during fruit ripening remain largely unknown. Here, the regulatory role of an auxin response factor, PpARF6, in fruit ripening was investigated in peach. Peach fruits showed accelerated ripening after treatment with auxin and PpARF6 was found to be significantly induced. PpARF6 not only could induce ethylene synthesis by directly activating the transcription of ethylene biosynthetic genes, but also competed with EIN3-binding F-box proteins PpEBF1/2 for binding to ethylene-insensitive3-like proteins PpEIL2/3, thereby keeping PpEIL2/3 active. Moreover, PpARF6 showed an interaction with PpEIL2/3 to enhance the PpEIL2/3-activated transcription of ethylene biosynthetic genes. Additionally, ectopic overexpression of PpARF6 in tomato accelerated fruit ripening by promoting the expression of genes involved in ethylene synthesis and fruit texture. In summary, our results revealed a positive regulatory role of PpARF6 in peach fruit ripening via integrating auxin and ethylene signaling.
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Affiliation(s)
- Xiaomei Chen
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
- University of Chinese Academy of Sciences, 19A Yuquanlu, Beijing 100049, China
| | - Yudi Liu
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
- University of Chinese Academy of Sciences, 19A Yuquanlu, Beijing 100049, China
| | - Xian Zhang
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
- University of Chinese Academy of Sciences, 19A Yuquanlu, Beijing 100049, China
| | - Beibei Zheng
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Yuepeng Han
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Ruo-Xi Zhang
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
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Allen JR, Wilkinson EG, Strader LC. Creativity comes from interactions: modules of protein interactions in plants. FEBS J 2022; 289:1492-1514. [PMID: 33774929 PMCID: PMC8476656 DOI: 10.1111/febs.15847] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/06/2021] [Accepted: 03/26/2021] [Indexed: 01/03/2023]
Abstract
Protein interactions are the foundation of cell biology. For robust signal transduction to occur, proteins interact selectively and modulate their behavior to direct specific biological outcomes. Frequently, modular protein interaction domains are central to these processes. Some of these domains bind proteins bearing post-translational modifications, such as phosphorylation, whereas other domains recognize and bind to specific amino acid motifs. Other modules act as diverse protein interaction scaffolds or can be multifunctional, forming head-to-head homodimers and binding specific peptide sequences or membrane phospholipids. Additionally, the so-called head-to-tail oligomerization domains (SAM, DIX, and PB1) can form extended polymers to regulate diverse aspects of biology. Although the mechanism and structures of these domains are diverse, they are united by their modularity. Together, these domains are versatile and facilitate the evolution of complex protein interaction networks. In this review, we will highlight the role of select modular protein interaction domains in various aspects of plant biology.
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Affiliation(s)
- Jeffrey R. Allen
- Department of Biology, Washington University in St. Louis, MO, USA,Center for Science and Engineering of Living Systems (CSELS), Washington University in St. Louis, MO, USA,Center for Engineering Mechanobiology (CEMB), Washington University in St. Louis, MO, USA,Department of Biology, Duke University, Durham, NC, USA
| | - Edward G. Wilkinson
- Department of Biology, Washington University in St. Louis, MO, USA,Center for Science and Engineering of Living Systems (CSELS), Washington University in St. Louis, MO, USA,Center for Engineering Mechanobiology (CEMB), Washington University in St. Louis, MO, USA,Department of Biology, Duke University, Durham, NC, USA
| | - Lucia C. Strader
- Department of Biology, Washington University in St. Louis, MO, USA,Center for Science and Engineering of Living Systems (CSELS), Washington University in St. Louis, MO, USA,Center for Engineering Mechanobiology (CEMB), Washington University in St. Louis, MO, USA,Department of Biology, Duke University, Durham, NC, USA
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The HD-ZIP II Transcription Factors Regulate Plant Architecture through the Auxin Pathway. Int J Mol Sci 2020; 21:ijms21093250. [PMID: 32375344 PMCID: PMC7246542 DOI: 10.3390/ijms21093250] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/29/2020] [Accepted: 05/02/2020] [Indexed: 11/17/2022] Open
Abstract
The homeodomain-leucine zipper (HD-ZIP) family transcription factors play important roles in plant growth and development. However, the underlying mechanisms remain largely unclear. Here we found that ATHB2, encoding a HD-ZIP transcription factor, is an early auxin responsive gene. Phenotypic analyses show that overexpression of ATHB2 impairs plant architecture, including reduced plant height and small leaves, and also reduces auxin response in leaves when grown in soil. Simultaneously, the seedlings with chemical induction of ATHB2 exhibit abnormal root gravitropism, a typical auxin-related phenotype. We further show that the auxin response pattern is altered in roots of the inducible ATHB2 seedlings. Consistently, the transcript levels of some auxin biosynthetic and transport genes are significantly decreased in these transgenic seedlings. Further, protein and promoter sequence analyses in common wheat showed that the HD-ZIP II subfamily transcription factors have highly conserved motifs and most of these encoding gene promoters contain the canonical auxin-responsive elements. Expression analyses confirm that some of these HD-ZIP II genes are indeed regulated by auxin in wheat. Together, our results suggest that the HD-ZIP II subfamily transcription factors regulate plant development possibly through the auxin pathway in plants.
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Powers SK, Strader LC. Regulation of auxin transcriptional responses. Dev Dyn 2019; 249:483-495. [PMID: 31774605 PMCID: PMC7187202 DOI: 10.1002/dvdy.139] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/17/2019] [Accepted: 11/22/2019] [Indexed: 01/27/2023] Open
Abstract
The plant hormone auxin acts as a signaling molecule to regulate a vast number of developmental responses throughout all stages of plant growth. Tight control and coordination of auxin signaling is required for the generation of specific auxin‐response outputs. The nuclear auxin signaling pathway controls auxin‐responsive gene transcription through the TRANSPORT INHIBITOR RESPONSE1/AUXIN SIGNALING F‐BOX pathway. Recent work has uncovered important details into how regulation of auxin signaling components can generate unique and specific responses to determine auxin outputs. In this review, we discuss what is known about the core auxin signaling components and explore mechanisms important for regulating auxin response specificity. A review of recent updates to our understanding of auxin signaling.
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Affiliation(s)
- Samantha K Powers
- Department of Biology, Washington University in St. Louis, St. Louis, Missouri
| | - Lucia C Strader
- Department of Biology, Washington University in St. Louis, St. Louis, Missouri.,Center for Science and Engineering of Living Systems (CSELS), Washington University in St. Louis, St. Louis, Missouri.,Center for Engineering MechanoBiology, Washington University in St. Louis, St. Louis, Missouri
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Alsenani F, Wass TJ, Ma R, Eltanahy E, Netzel ME, Schenk PM. Transcriptome-wide analysis of Chlorella reveals auxin-induced carotenogenesis pathway in green microalgae. ALGAL RES 2019. [DOI: 10.1016/j.algal.2018.12.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Skalický V, Kubeš M, Napier R, Novák O. Auxins and Cytokinins-The Role of Subcellular Organization on Homeostasis. Int J Mol Sci 2018; 19:E3115. [PMID: 30314316 PMCID: PMC6213326 DOI: 10.3390/ijms19103115] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/05/2018] [Accepted: 10/09/2018] [Indexed: 12/18/2022] Open
Abstract
Plant hormones are master regulators of plant growth and development. Better knowledge of their spatial signaling and homeostasis (transport and metabolism) on the lowest structural levels (cellular and subcellular) is therefore crucial to a better understanding of developmental processes in plants. Recent progress in phytohormone analysis at the cellular and subcellular levels has greatly improved the effectiveness of isolation protocols and the sensitivity of analytical methods. This review is mainly focused on homeostasis of two plant hormone groups, auxins and cytokinins. It will summarize and discuss their tissue- and cell-type specific distributions at the cellular and subcellular levels.
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Affiliation(s)
- Vladimír Skalický
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany of the Czech Academy of Sciences & Faculty of Science of Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic.
| | - Martin Kubeš
- Department of Chemical Biology and Genetics, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science of Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic.
- School of Life Sciences, University of Warwick, Coventry CV4 7AL, UK.
| | - Richard Napier
- School of Life Sciences, University of Warwick, Coventry CV4 7AL, UK.
| | - Ondřej Novák
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Institute of Experimental Botany of the Czech Academy of Sciences & Faculty of Science of Palacký University, Šlechtitelů 27, 78371 Olomouc, Czech Republic.
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Zhou X, Wu X, Li T, Jia M, Liu X, Zou Y, Liu Z, Wen F. Identification, characterization, and expression analysis of auxin response factor (ARF) gene family in Brachypodium distachyon. Funct Integr Genomics 2018; 18:709-724. [PMID: 29926224 DOI: 10.1007/s10142-018-0622-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 06/03/2018] [Accepted: 06/07/2018] [Indexed: 11/30/2022]
Abstract
Auxin response factors (ARFs) are one type of essential family of transcription factors that bind with auxin response elements (AuxRE), and play vital roles in variety of plant development and physiological processes. Brachypodium distachyon, related to the major cereal grain species, were recently developed to be a good model organism for functional genomics research. So far, genome-wide overview of the ARF gene family in B. distachyon was not available. Here, a systemic analysis of ARF gene family members in B. distachyon was performed. A comprehensive overview of the characterization of the BdARFs was obtained by multiple bioinformatics analyses, including the gene and protein structure, chromosome locations, conserved motifs of proteins, phylogenetic analysis, and cis-elements in promoters of BdARF. Results showed that all BdARFs contained conserved DBD, MR, and CTD could be divided into four classes, Ia, IIa, IIb, and III. Expression profiles of BdARF genes indicated that they were expressed across various tissues and organs, which could be clustered into three main expression groups, and most of BdARF genes were involved in phytohormone signal transduction pathways and regulated physiological process in responding to multiple environmental stresses. And predicted regulatory network between B. distachyon ARFs and IAAs was also discussed. Our genomics analysis of BdARFs could yield new insights into the complexity of the control of BdARF genes and lead to potential applications in the investigation of the accurate regulatory mechanisms of ARFs in herbaceous plants.
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Affiliation(s)
- Xiaojian Zhou
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Xiaozhu Wu
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Tongjian Li
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Mingliang Jia
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Xinshen Liu
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Yulan Zou
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Zixia Liu
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Feng Wen
- School of Pharmacy and Life Science, Jiujiang University, Jiujiang, China.
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Pařízková B, Pernisová M, Novák O. What Has Been Seen Cannot Be Unseen-Detecting Auxin In Vivo. Int J Mol Sci 2017; 18:ijms18122736. [PMID: 29258197 PMCID: PMC5751337 DOI: 10.3390/ijms18122736] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/10/2017] [Accepted: 12/12/2017] [Indexed: 12/24/2022] Open
Abstract
Auxins mediate various processes that are involved in plant growth and development in response to specific environmental conditions. Its proper spatio-temporal distribution that is driven by polar auxin transport machinery plays a crucial role in the wide range of auxins physiological effects. Numbers of approaches have been developed to either directly or indirectly monitor auxin distribution in vivo in order to elucidate the basis of its precise regulation. Herein, we provide an updated list of valuable techniques used for monitoring auxins in plants, with their utilities and limitations. Because the spatial and temporal resolutions of the presented approaches are different, their combination may provide a comprehensive outcome of auxin distribution in diverse developmental processes.
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Affiliation(s)
- Barbora Pařízková
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science of Palacký University & Institute of Experimental Botany of the Czech Academy of Sciences, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic.
- Department of Chemical Biology and Genetics, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science of Palacký University, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic.
| | - Markéta Pernisová
- Department of Chemical Biology and Genetics, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science of Palacký University, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic.
- Functional Genomics and Proteomics, National Centre for Biomolecular Research, Faculty of Science, Masaryk University, Kamenice 5, CZ-62500 Brno, Czech Republic.
| | - Ondřej Novák
- Laboratory of Growth Regulators, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science of Palacký University & Institute of Experimental Botany of the Czech Academy of Sciences, Šlechtitelů 27, CZ-783 71 Olomouc, Czech Republic.
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Abstract
Auxin is an essential molecule that controls almost every aspect of plant development. Although the core signaling components that control auxin response are well characterized, the precise mechanisms enabling specific responses are not yet fully understood. Considering the significance of auxin in plant growth and its potential applications, deciphering further aspects of its biology is an important and exciting challenge.
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Affiliation(s)
- Sebastien Paque
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands
| | - Dolf Weijers
- Laboratory of Biochemistry, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands.
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