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Sun K, Liu Y, Zhou X, Yin C, Zhang P, Yang Q, Mao L, Shentu X, Yu X. Nanopore sequencing technology and its application in plant virus diagnostics. Front Microbiol 2022; 13:939666. [PMID: 35958160 PMCID: PMC9358452 DOI: 10.3389/fmicb.2022.939666] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/05/2022] [Indexed: 11/13/2022] Open
Abstract
Plant viruses threaten crop yield and quality; thus, efficient and accurate pathogen diagnostics are critical for crop disease management and control. Recent advances in sequencing technology have revolutionized plant virus research. Metagenomics sequencing technology, represented by next-generation sequencing (NGS), has greatly enhanced the development of virus diagnostics research because of its high sensitivity, high throughput and non-sequence dependence. However, NGS-based virus identification protocols are limited by their high cost, labor intensiveness, and bulky equipment. In recent years, Oxford Nanopore Technologies and advances in third-generation sequencing technology have enabled direct, real-time sequencing of long DNA or RNA reads. Oxford Nanopore Technologies exhibit versatility in plant virus detection through their portable sequencers and flexible data analyses, thus are wildly used in plant virus surveillance, identification of new viruses, viral genome assembly, and evolution research. In this review, we discuss the applications of nanopore sequencing in plant virus diagnostics, as well as their limitations.
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Affiliation(s)
- Kai Sun
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Yi Liu
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Xin Zhou
- Ausper Biopharma, Hangzhou, China
| | - Chuanlin Yin
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Pengjun Zhang
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Qianqian Yang
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Lingfeng Mao
- Hangzhou Baiyi Technology Co., Ltd., Hangzhou, China
| | - Xuping Shentu
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
- *Correspondence: Xuping Shentu,
| | - Xiaoping Yu
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection and Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, China
- Xiaoping Yu,
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Johnson BA, Zhou Y, Lokugamage KG, Vu MN, Bopp N, Crocquet-Valdes PA, Schindewolf C, Liu Y, Scharton D, Plante JA, Xie X, Aguilar P, Weaver SC, Shi PY, Walker DH, Routh AL, Plante KS, Menachery VD. Nucleocapsid mutations in SARS-CoV-2 augment replication and pathogenesis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021. [PMID: 34671771 PMCID: PMC8528077 DOI: 10.1101/2021.10.14.464390] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
While SARS-CoV-2 continues to adapt for human infection and transmission, genetic variation outside of the spike gene remains largely unexplored. This study investigates a highly variable region at residues 203–205 in the SARS-CoV-2 nucleocapsid protein. Recreating a mutation found in the alpha and omicron variants in an early pandemic (WA-1) background, we find that the R203K+G204R mutation is sufficient to enhance replication, fitness, and pathogenesis of SARS-CoV-2. The R203K+G204R mutant corresponds with increased viral RNA and protein both in vitro and in vivo. Importantly, the R203K+G204R mutation increases nucleocapsid phosphorylation and confers resistance to inhibition of the GSK-3 kinase, providing a molecular basis for increased virus replication. Notably, analogous alanine substitutions at positions 203+204 also increase SARS-CoV-2 replication and augment phosphorylation, suggesting that infection is enhanced through ablation of the ancestral ‘RG’ motif. Overall, these results demonstrate that variant mutations outside spike are key components in SARS-CoV-2’s continued adaptation to human infection.
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Muruato A, Vu MN, Johnson BA, Davis-Gardner ME, Vanderheiden A, Lokugmage K, Schindewolf C, Crocquet-Valdes PA, Langsjoen RM, Plante JA, Plante KS, Weaver SC, Debbink K, Routh AL, Walker D, Suthar MS, Xie X, Shi PY, Xie X, Menachery VD. Mouse Adapted SARS-CoV-2 protects animals from lethal SARS-CoV challenge. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2021:2021.05.03.442357. [PMID: 33972939 PMCID: PMC8109199 DOI: 10.1101/2021.05.03.442357] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The emergence of SARS-CoV-2 has resulted in a worldwide pandemic causing significant damage to public health and the economy. Efforts to understand the mechanisms of COVID-19 disease have been hampered by the lack of robust mouse models. To overcome this barrier, we utilized a reverse genetic system to generate a mouse-adapted strain of SARS-CoV-2. Incorporating key mutations found in SARSCoV-2 variants, this model recapitulates critical elements of human infection including viral replication in the lung, immune cell infiltration, and significant in vivo disease. Importantly, mouse-adaptation of SARS-CoV-2 does not impair replication in human airway cells and maintains antigenicity similar to human SARS-CoV-2 strains. Utilizing this model, we demonstrate that SARS-CoV-2 infected mice are protected from lethal challenge with the original SARS-CoV, suggesting immunity from heterologous CoV strains. Together, the results highlight the utility of this mouse model for further study of SARS-CoV-2 infection and disease.
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Affiliation(s)
- Antonio Muruato
- Departments of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | - Michelle N. Vu
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | - Bryan A. Johnson
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | - Meredith E. Davis-Gardner
- Department of Pediatrics, Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Abigail Vanderheiden
- Department of Pediatrics, Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Kumari Lokugmage
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | - Craig Schindewolf
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | | | - Rose M. Langsjoen
- Departments of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
| | - Jessica A. Plante
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
- World Reference Center of Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA
| | - Kenneth S. Plante
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
- World Reference Center of Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA
| | - Scott C. Weaver
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
- Institute for Human Infection and Immunity, University of Texas Medical Branch, Galveston, TX, USA
- World Reference Center of Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA
| | - Kari Debbink
- Department of Natural Science, Bowie State University, Bowie, MD, USA
| | - Andrew L. Routh
- Departments of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
- Institute for Human Infection and Immunity, University of Texas Medical Branch, Galveston, TX, USA
| | - David Walker
- Pathology, University of Texas Medical Branch, Galveston, TX, USA
| | - Mehul S. Suthar
- Department of Pediatrics, Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA
- Yerkes National Primate Research Center, Atlanta, GA, USA
| | - Xuping Xie
- Departments of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
| | - Pei-Yong Shi
- Departments of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
- Institute for Human Infection and Immunity, University of Texas Medical Branch, Galveston, TX, USA
| | - Xuping Xie
- Departments of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
| | - Vineet D. Menachery
- Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX, USA
- Institute for Human Infection and Immunity, University of Texas Medical Branch, Galveston, TX, USA
- World Reference Center of Emerging Viruses and Arboviruses, University of Texas Medical Branch, Galveston, TX, USA
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