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Wendlandt T, Britz B, Kleinow T, Hipp K, Eber FJ, Wege C. Getting Hold of the Tobamovirus Particle-Why and How? Purification Routes over Time and a New Customizable Approach. Viruses 2024; 16:884. [PMID: 38932176 DOI: 10.3390/v16060884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
This article develops a multi-perspective view on motivations and methods for tobamovirus purification through the ages and presents a novel, efficient, easy-to-use approach that can be well-adapted to different species of native and functionalized virions. We survey the various driving forces prompting researchers to enrich tobamoviruses, from the search for the causative agents of mosaic diseases in plants to their increasing recognition as versatile nanocarriers in biomedical and engineering applications. The best practices and rarely applied options for the serial processing steps required for successful isolation of tobamoviruses are then reviewed. Adaptations for distinct particle species, pitfalls, and 'forgotten' or underrepresented technologies are considered as well. The article is topped off with our own development of a method for virion preparation, rooted in historical protocols. It combines selective re-solubilization of polyethylene glycol (PEG) virion raw precipitates with density step gradient centrifugation in biocompatible iodixanol formulations, yielding ready-to-use particle suspensions. This newly established protocol and some considerations for perhaps worthwhile further developments could serve as putative stepping stones towards preparation procedures appropriate for routine practical uses of these multivalent soft-matter nanorods.
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Affiliation(s)
- Tim Wendlandt
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Beate Britz
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Tatjana Kleinow
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Katharina Hipp
- Electron Microscopy Facility, Max Planck Institute for Biology Tübingen, Max-Planck-Ring 5, 72076 Tübingen, Germany
| | - Fabian J Eber
- Department of Mechanical and Process Engineering, Offenburg University of Applied Sciences, Badstr. 24, 77652 Offenburg, Germany
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
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Škorić D, Černi S, Ćurković-Perica M, Ježić M, Krajačić M, Šeruga Musić M. Legacy of Plant Virology in Croatia-From Virus Identification to Molecular Epidemiology, Evolution, Genomics and Beyond. Viruses 2021; 13:2339. [PMID: 34960609 PMCID: PMC8707422 DOI: 10.3390/v13122339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 11/19/2021] [Accepted: 11/20/2021] [Indexed: 11/16/2022] Open
Abstract
This paper showcases the development of plant virology in Croatia at the University of Zagreb, Faculty of Science, from its beginning in the 1950s until today, more than 70 years later. The main achievements of the previous and current group members are highlighted according to various research topics and fields. Expectedly, some of those accomplishments remained within the field of plant virology, but others make part of a much-extended research spectrum exploring subviral pathogens, prokaryotic plant pathogens, fungi and their viruses, as well as their interactions within ecosystems. Thus, the legacy of plant virology in Croatia continues to contribute to the state of the art of microbiology far beyond virology. Research problems pertinent for directing the future research endeavors are also proposed in this review.
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Affiliation(s)
- Dijana Škorić
- Department of Biology, Faculty of Science, University of Zagreb, 10000 Zagreb, Croatia; (S.Č.); (M.Ć.-P.); (M.J.); (M.K.); (M.Š.M.)
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Bačnik K, Kutnjak D, Pecman A, Mehle N, Tušek Žnidarič M, Gutiérrez Aguirre I, Ravnikar M. Viromics and infectivity analysis reveal the release of infective plant viruses from wastewater into the environment. WATER RESEARCH 2020; 177:115628. [PMID: 32299020 DOI: 10.1016/j.watres.2020.115628] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 05/06/2023]
Abstract
Viruses represent one of the most important threats to agriculture. Several viral families include highly stable pathogens, which remain infective and can be transported long distances in water. The diversity of plant viruses in wastewater remains understudied; however, their potential impact is increasing with the increased irrigation usage of reclaimed wastewater. To determine the abundance, diversity and biological relevance of plant viruses in wastewater influents and effluents we applied an optimized virus concentration method followed by high-throughput sequencing and infectivity assays. We detected representatives of 47 plant virus species, including emerging crop threats. We also demonstrated infectivity for pathogenic and economically relevant plant viruses from the genus Tobamovirus (family Virgaviridae), which remain infective even after conventional wastewater treatment. These results demonstrate the potential of metagenomics to capture the diversity of plant viruses circulating in the environment and expose the potential risk of the uncontrolled use of reclaimed water for irrigation.
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Affiliation(s)
- Katarina Bačnik
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000, Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova cesta 39, 1000, Ljubljana, Slovenia
| | - Denis Kutnjak
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000, Ljubljana, Slovenia
| | - Anja Pecman
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000, Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova cesta 39, 1000, Ljubljana, Slovenia
| | - Nataša Mehle
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000, Ljubljana, Slovenia
| | - Magda Tušek Žnidarič
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000, Ljubljana, Slovenia
| | - Ion Gutiérrez Aguirre
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000, Ljubljana, Slovenia
| | - Maja Ravnikar
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000, Ljubljana, Slovenia; University of Nova Gorica, Vipavska cesta, 5000, Nova Gorica, Slovenia.
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Ruscic J, Perry C, Mukhopadhyay T, Takeuchi Y, Bracewell DG. Lentiviral Vector Purification Using Nanofiber Ion-Exchange Chromatography. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2019; 15:52-62. [PMID: 31649955 PMCID: PMC6804883 DOI: 10.1016/j.omtm.2019.08.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 08/23/2019] [Indexed: 01/04/2023]
Abstract
Lentiviral vectors (LVs) are used in cell and gene therapies due to their ability to transduce both dividing and non-dividing cells while carrying a relatively large genetic payload and providing long-term gene expression via gene integration. Current cultivation methods produce titers of 105–107 transduction unit (TU)/mL; thus, it is necessary to concentrate LVs as well as remove process- and product-related impurities. In this work, we used a packaging cell line WinPac-RD-HV for LV production to simplify upstream processing. A direct capture method based on ion-exchange chromatography and cellulose nanofibers for LV concentration and purification was developed. This novel scalable stationary phase provides a high surface area that is accessible to LV and, therefore, has potential for high-capacity operation compared to traditional bead-based supports. We were able to concentrate LVs 100-fold while achieving a two-log removal of host cell protein and maintaining up to a 90% yield of functional vector.
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Affiliation(s)
- Jelena Ruscic
- Department of Biochemical Engineering, University College London, Bernard Katz Building, Gower Street, London WC1E 6BT, UK
| | - Christopher Perry
- Department of Biochemical Engineering, University College London, Bernard Katz Building, Gower Street, London WC1E 6BT, UK.,Division of Infection and Immunology, University College London, The Rayne Building, 5 University Street, London WC1E 6EJ, UK.,Advanced Therapies Division, National Institute for Biological Standards and Control, Blanche Lane, South Mimms, Potters Bar, Hertfordshire EN6 3QG, UK
| | - Tarit Mukhopadhyay
- Department of Biochemical Engineering, University College London, Bernard Katz Building, Gower Street, London WC1E 6BT, UK
| | - Yasu Takeuchi
- Division of Infection and Immunology, University College London, The Rayne Building, 5 University Street, London WC1E 6EJ, UK.,Advanced Therapies Division, National Institute for Biological Standards and Control, Blanche Lane, South Mimms, Potters Bar, Hertfordshire EN6 3QG, UK
| | - Daniel G Bracewell
- Department of Biochemical Engineering, University College London, Bernard Katz Building, Gower Street, London WC1E 6BT, UK
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Development of Validated and Stability-Indicating LC-DAD and LC-MS/MS Methods for Determination of Avanafil in Pharmaceutical Preparations and Identification of a Novel Degradation Product by LCMS-IT-TOF. Molecules 2018; 23:molecules23071771. [PMID: 30029473 PMCID: PMC6100578 DOI: 10.3390/molecules23071771] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/09/2018] [Accepted: 07/13/2018] [Indexed: 12/02/2022] Open
Abstract
Avanafil (AVA), one of the most effective drugs prescribed for erectile dysfunction, is a pyrimidine-derivative PDE5 inhibitor. In the current work, new LC methods were developed and validated for quantitative determination of avanafil and qualitative determination of its degradation products. The quantitative determination of avanafil was carried out using liquid chromatography with photodiode array detection (LC-DAD) and liquid chromatography-tandem mass spectrometry LC-MS/MS methods, and fully validated according to the ICH Q2 (R1) guideline, while qualitative determination was performed using a liquid chromatography mass spectrometry-ion trap-time of flight (LCMS-IT-TOF) instrument. The separation of avanafil and its degradation products was carried out using the same reversed-phase chromatographic conditions, in which a second-generation C18-bonded monolithic silica column (Chromolith® High Resolution RP-18e, 100 × 4.6 mm, Merck KGaA) was used as stationary phase. Briefly, the methods enable quantitation of avanafil with high accuracy (recovery > 95%) and precision (RSD% < 2.0), within the ranges of 0.5–20 μg/mL for LC-DAD and 150–6000 ng/mL for LC-MS/MS. In the forced degradation studies, over and above currently existing data, a new oxidation-based degradation product, whose predicted m/z is 367.1168, was identified and its structure was confirmed by high-resolution mass spectrometric analysis. As the main advantage, either an LC-DAD or LC-MS/MS instrument can be chosen for interference-free quantitation of AVA, according to the facilities in quality-control laboratories.
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Krajacic M, Ravnikar M, Štrancar A, Gutiérrez-Aguirre I. Application of monolithic chromatographic supports in virus research. Electrophoresis 2017; 38:2827-2836. [DOI: 10.1002/elps.201700152] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 04/28/2017] [Accepted: 05/03/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Mladen Krajacic
- Department of Biology; Faculty of Science; University of Zagreb; Zagreb Croatia
| | - Maja Ravnikar
- Department of Biotechnology and Systems Biology; National Institute of Biology; Ljubljana Slovenia
| | | | - Ion Gutiérrez-Aguirre
- Department of Biotechnology and Systems Biology; National Institute of Biology; Ljubljana Slovenia
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Massart S, Candresse T, Gil J, Lacomme C, Predajna L, Ravnikar M, Reynard JS, Rumbou A, Saldarelli P, Škorić D, Vainio EJ, Valkonen JPT, Vanderschuren H, Varveri C, Wetzel T. A Framework for the Evaluation of Biosecurity, Commercial, Regulatory, and Scientific Impacts of Plant Viruses and Viroids Identified by NGS Technologies. Front Microbiol 2017; 8:45. [PMID: 28174561 PMCID: PMC5258733 DOI: 10.3389/fmicb.2017.00045] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 01/06/2017] [Indexed: 01/14/2023] Open
Abstract
Recent advances in high-throughput sequencing technologies and bioinformatics have generated huge new opportunities for discovering and diagnosing plant viruses and viroids. Plant virology has undoubtedly benefited from these new methodologies, but at the same time, faces now substantial bottlenecks, namely the biological characterization of the newly discovered viruses and the analysis of their impact at the biosecurity, commercial, regulatory, and scientific levels. This paper proposes a scaled and progressive scientific framework for efficient biological characterization and risk assessment when a previously known or a new plant virus is detected by next generation sequencing (NGS) technologies. Four case studies are also presented to illustrate the need for such a framework, and to discuss the scenarios.
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Affiliation(s)
- Sebastien Massart
- Plant Pathology Laboratory, Gembloux Agro-Bio Tech, University of Liège Gembloux, Belgium
| | - Thierry Candresse
- Institut National de la Recherche Agronomique (INRA), University of Bordeaux, CS20032 UMR 1332 BFP Villenave d'Ornon, France
| | - José Gil
- Plant Biology, Linnean Centre for Plant Biology, Uppsala BioCentre, Swedish University of Agricultural Sciences Uppsala, Sweden
| | - Christophe Lacomme
- Virology and Zoology, Science and Advice for Scottish Agriculture Edinbourgh, UK
| | - Lukas Predajna
- Department of Plant Virology, Institute of Virology, Biomedical Research Center, Slovak Academy of Science (SAS) Bratislava, Slovakia
| | - Maja Ravnikar
- Department of Biotechnology and Systems Biology, National Institute of Biology Ljubljana, Slovenia
| | | | - Artemis Rumbou
- Division Phytomedicine Lentzeallee, Faculty of Life Sciences, Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences, Humboldt-University of Berlin Berlin, Germany
| | - Pasquale Saldarelli
- National Research Council Institute for Sustainable Plant Protection Bari, Italy
| | - Dijana Škorić
- Department of Biology, Faculty of Science, University of Zagreb Zagreb, Croatia
| | - Eeva J Vainio
- Management and Production of Renewable Resources, Natural Resources Institute Finland (Luke) Helsinki, Finland
| | - Jari P T Valkonen
- Department of Agricultural Sciences, University of Helsinki Helsinki, Finland
| | - Hervé Vanderschuren
- Plant Genetics, Gembloux Agro-Bio Tech, University of Liège Gembloux, Belgium
| | - Christina Varveri
- Department of Phytopathology, Benaki Phytopathological Institute Athens, Greece
| | - Thierry Wetzel
- DLR Rheinpfalz, Institute of Plant Protection, Neustadt an der Weinstrasse Germany
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Ruščić J, Ambriović-Ristov A, Majhen D, Kolundžija S, Barut M, Benihoud K, Krajačić M. Manipulating adenoviral vector ion-exchange chromatography: Hexon versus fiber. J Sep Sci 2016; 39:4299-4304. [DOI: 10.1002/jssc.201600829] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 09/09/2016] [Accepted: 09/09/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Jelena Ruščić
- Department of Biology, Faculty of Science; University of Zagreb; Zagreb Croatia
| | - Andreja Ambriović-Ristov
- Division of Molecular Biology, Laboratory for Cell Biology and Signaling; Ruđer Bošković Institute; Zagreb Croatia
| | - Dragomira Majhen
- Division of Molecular Biology, Laboratory for Cell Biology and Signaling; Ruđer Bošković Institute; Zagreb Croatia
| | - Sandra Kolundžija
- Department of Biology, Faculty of Science; University of Zagreb; Zagreb Croatia
| | | | - Karim Benihoud
- Univ Paris-Sud; Orsay Cedex France
- CNRS UMR 8203, Vectorologie et thérapeutiques anticancéreuses; Gustave Roussy; Villejuif Cedex France
| | - Mladen Krajačić
- Department of Biology, Faculty of Science; University of Zagreb; Zagreb Croatia
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Acquah C, Moy CKS, Danquah MK, Ongkudon CM. Development and characteristics of polymer monoliths for advanced LC bioscreening applications: A review. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1015-1016:121-134. [PMID: 26919447 DOI: 10.1016/j.jchromb.2016.02.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 02/13/2016] [Accepted: 02/13/2016] [Indexed: 01/05/2023]
Abstract
Biomedical research advances over the past two decades in bioseparation science and engineering have led to the development of new adsorbent systems called monoliths, mostly as stationary supports for liquid chromatography (LC) applications. They are acknowledged to offer better mass transfer hydrodynamics than their particulate counterparts. Also, their architectural and morphological traits can be tailored in situ to meet the hydrodynamic size of molecules which include proteins, pDNA, cells and viral targets. This has enabled their development for a plethora of enhanced bioscreening applications including biosensing, biomolecular purification, concentration and separation, achieved through the introduction of specific functional moieties or ligands (such as triethylamine, N,N-dimethyl-N-dodecylamine, antibodies, enzymes and aptamers) into the molecular architecture of monoliths. Notwithstanding, the application of monoliths presents major material and bioprocess challenges. The relationship between in-process polymerisation characteristics and the physicochemical properties of monolith is critical to optimise chromatographic performance. There is also a need to develop theoretical models for non-invasive analyses and predictions. This review article therefore discusses in-process analytical conditions, functionalisation chemistries and ligands relevant to establish the characteristics of monoliths in order to facilitate a wide range of enhanced bioscreening applications. It gives emphasis to the development of functional polymethacrylate monoliths for microfluidic and preparative scale bio-applications.
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Affiliation(s)
- Caleb Acquah
- Curtin Sarawak Research Institute, Curtin University, Sarawak 98009, Malaysia; Department of Chemical Engineering, Curtin University, Sarawak 98009, Malaysia
| | - Charles K S Moy
- Department of Civil Engineering, Xi'an Jiaotong-Liverpool University, Jiangsu 215123, China
| | - Michael K Danquah
- Curtin Sarawak Research Institute, Curtin University, Sarawak 98009, Malaysia; Department of Chemical Engineering, Curtin University, Sarawak 98009, Malaysia.
| | - Clarence M Ongkudon
- Biotechnology Research Institute, Universiti Malaysia Sabah, Kota Kinabalu, Sabah 88400, Malaysia
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