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Liu Q, Yi D, Ding J, Mao Y, Wang S, Ma L, Li Q, Wang J, Zhang Y, Zhao J, Guo S, Liu Z, Guo F, Zhao D, Liang C, Li X, Peng X, Cen S. MOV10 recruits DCP2 to decap human LINE-1 RNA by forming large cytoplasmic granules with phase separation properties. EMBO Rep 2023; 24:e56512. [PMID: 37437058 PMCID: PMC10481665 DOI: 10.15252/embr.202256512] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 06/22/2023] [Accepted: 06/28/2023] [Indexed: 07/14/2023] Open
Abstract
Long interspersed element 1 (LINE-1) is the only active autonomous mobile element in the human genome. Its transposition can exert deleterious effects on the structure and function of the host genome and cause sporadic genetic diseases. Tight control of LINE-1 mobilization by the host is crucial for genetic stability. In this study, we report that MOV10 recruits the main decapping enzyme DCP2 to LINE-1 RNA and forms a complex of MOV10, DCP2, and LINE-1 RNP, exhibiting liquid-liquid phase separation (LLPS) properties. DCP2 cooperates with MOV10 to decap LINE-1 RNA, which causes degradation of LINE-1 RNA and thus reduces LINE-1 retrotransposition. We here identify DCP2 as one of the key effector proteins determining LINE-1 replication, and elucidate an LLPS mechanism that facilitates the anti-LINE-1 action of MOV10 and DCP2.
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Affiliation(s)
- Qian Liu
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Dongrong Yi
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Jiwei Ding
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Yang Mao
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Shujie Wang
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Ling Ma
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Quanjie Li
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Jing Wang
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Yongxin Zhang
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Jianyuan Zhao
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Saisai Guo
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Zhenlong Liu
- Lady Davis Institute, Jewish General HospitalMcGill UniversityMontrealQCCanada
| | - Fei Guo
- Institute of Pathogen BiologyChinese Academy of Medical ScienceBeijingChina
| | - Dongbing Zhao
- National Cancer CenterChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Chen Liang
- Lady Davis Institute, Jewish General HospitalMcGill UniversityMontrealQCCanada
| | - Xiaoyu Li
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
| | - Xiaozhong Peng
- State Key Laboratory of Medical Molecular Biology, Department of Molecular Biology and Biochemistry, Institute of Basic Medical Sciences, Medical Primate Research Center, Neuroscience Center, Chinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijingChina
| | - Shan Cen
- Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical SchoolBeijingChina
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Warkocki Z. An update on post-transcriptional regulation of retrotransposons. FEBS Lett 2023; 597:380-406. [PMID: 36460901 DOI: 10.1002/1873-3468.14551] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/09/2022] [Accepted: 11/18/2022] [Indexed: 12/04/2022]
Abstract
Retrotransposons, including LINE-1, Alu, SVA, and endogenous retroviruses, are one of the major constituents of human genomic repetitive sequences. Through the process of retrotransposition, some of them occasionally insert into new genomic locations by a copy-paste mechanism involving RNA intermediates. Irrespective of de novo genomic insertions, retrotransposon expression can lead to DNA double-strand breaks and stimulate cellular innate immunity through endogenous patterns. As a result, retrotransposons are tightly regulated by multi-layered regulatory processes to prevent the dangerous effects of their expression. In recent years, significant progress was made in revealing how retrotransposon biology intertwines with general post-transcriptional RNA metabolism. Here, I summarize current knowledge on the involvement of post-transcriptional factors in the biology of retrotransposons, focusing on LINE-1. I emphasize general RNA metabolisms such as methylation of adenine (m6 A), RNA 3'-end polyadenylation and uridylation, RNA decay and translation regulation. I discuss the effects of retrotransposon RNP sequestration in cytoplasmic bodies and autophagy. Finally, I summarize how innate immunity restricts retrotransposons and how retrotransposons make use of cellular enzymes, including the DNA repair machinery, to complete their replication cycles.
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Affiliation(s)
- Zbigniew Warkocki
- Department of RNA Metabolism, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland
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Wang L, Guzmán M, Sola I, Enjuanes L, Zuñiga S. Cytoplasmic ribonucleoprotein complexes, RNA helicases and coronavirus infection. FRONTIERS IN VIROLOGY 2022. [DOI: 10.3389/fviro.2022.1078454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
RNA metabolism in the eukaryotic cell includes the formation of ribonucleoprotein complexes (RNPs) that, depending on their protein components, have a different function. Cytoplasmic RNPs, such as stress granules (SGs) or P-bodies (PBs) are quite relevant during infections modulating viral and cellular RNA expression and as key players in the host cell antiviral response. RNA helicases are abundant components of RNPs and could have a significant effect on viral infection. This review focuses in the role that RNPs and RNA helicases have during coronavirus (CoVs) infection. CoVs are emerging highly pathogenic viruses with a large single-stranded RNA genome. During CoV infection, a complex network of RNA-protein interactions in different RNP structures is established. In general, RNA helicases and RNPs have an antiviral function, but there is limited knowledge on whether the viral protein interactions with cell components are mediators of this antiviral effect or are part of the CoV antiviral counteraction mechanism. Additional data is needed to elucidate the role of these RNA-protein interactions during CoV infection and their potential contribution to viral replication or pathogenesis.
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Jamehdor S, Pajouhanfar S, Saba S, Uzan G, Teimoori A, Naserian S. Principles and Applications of CRISPR Toolkit in Virus Manipulation, Diagnosis, and Virus-Host Interactions. Cells 2022; 11:999. [PMID: 35326449 PMCID: PMC8946942 DOI: 10.3390/cells11060999] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/09/2022] [Accepted: 03/11/2022] [Indexed: 02/04/2023] Open
Abstract
Viruses are one of the most important concerns for human health, and overcoming viral infections is a worldwide challenge. However, researchers have been trying to manipulate viral genomes to overcome various disorders, including cancer, for vaccine development purposes. CRISPR (clustered regularly interspaced short palindromic repeats) is becoming one of the most functional and widely used tools for RNA and DNA manipulation in multiple organisms. This approach has provided an unprecedented opportunity for creating simple, inexpensive, specific, targeted, accurate, and practical manipulations of viruses, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), human immunodeficiency virus-1 (HIV-1), and vaccinia virus. Furthermore, this method can be used to make an effective and precise diagnosis of viral infections. Nevertheless, a valid and scientifically designed CRISPR system is critical to make more effective and accurate changes in viruses. In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation. Furthermore, we have emphasized the application of CRISPR technology in virus diagnosis and in finding significant genes involved in virus-host interactions.
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Affiliation(s)
- Saleh Jamehdor
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan 989155432609, Iran;
| | - Sara Pajouhanfar
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110, USA;
| | - Sadaf Saba
- Center for Molecular Medicine & Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA;
| | - Georges Uzan
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, 94800 Villejuif, France;
- Paris-Saclay University, 94800 Villejuif, France
| | - Ali Teimoori
- Department of Virology, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan 6517838738, Iran
| | - Sina Naserian
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, 94800 Villejuif, France;
- Paris-Saclay University, 94800 Villejuif, France
- CellMedEx, 94100 Saint Maur Des Fossés, France
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Abstract
Coronaviruses (CoVs) are emergent pathogens that may cause life-threatening respiratory diseases in humans. Understanding of CoV-host interactions may help to identify novel therapeutic targets. MOV10 is an RNA helicase involved in different steps of cellular RNA metabolism. Both MOV10 antiviral and proviral activities have been described in a limited number of viruses, but this protein has not been previously associated with CoVs. We found that during Middle East respiratory syndrome coronavirus (MERS-CoV) infection, MOV10 aggregated in cytoplasmic structures colocalizing with viral nucleocapsid (N) protein. MOV10-N interaction was confirmed by endogenous MOV10 coimmunoprecipitation, and the presence of other cellular proteins was also detected in MOV10 complexes. MOV10 silencing significantly increased both N protein accumulation and virus titer, with no changes in the accumulation of viral RNAs. Moreover, MOV10 overexpression caused a 10-fold decrease in viral titers. These data indicated that MOV10 has antiviral activity during MERS-CoV infection. We postulated that this activity could be mediated by viral RNA sequestration, and in fact, RNA immunoprecipitation data showed the presence of viral RNAs in the MOV10 cytoplasmic complexes. Expression of wild-type MOV10 or of a MOV10 mutant without helicase activity in MOV10 knockout cell lines, developed by CRISPR-Cas technology, indicated that the helicase activity of MOV10 was required for its antiviral effect. Interestingly MOV10-N interaction was conserved in other mildly or highly pathogenic human CoVs, including the recently emerged severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), although MOV10 antiviral activity was found only in highly pathogenic CoVs, suggesting a potential role of MOV10 in the modulation of human CoVs pathogenesis.
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Nawaz A, Shilikbay T, Skariah G, Ceman S. Unwinding the roles of RNA helicase MOV10. WILEY INTERDISCIPLINARY REVIEWS-RNA 2021; 13:e1682. [PMID: 34327836 PMCID: PMC8799784 DOI: 10.1002/wrna.1682] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 06/15/2021] [Accepted: 06/23/2021] [Indexed: 12/12/2022]
Abstract
MOV10 is an RNA helicase that associates with the RNA‐induced silencing complex component Argonaute (AGO), likely resolving RNA secondary structures. MOV10 also binds the Fragile X mental retardation protein to block AGO2 binding at some sites and associates with UPF1, a principal component of the nonsense‐mediated RNA decay pathway. MOV10 is widely expressed and has a key role in the cellular response to viral infection and in suppressing retrotransposition. Posttranslational modifications of MOV10 include ubiquitination, which leads to stimulation‐dependent degradation, and phosphorylation, which has an unknown function. MOV10 localizes to the nucleus and/or cytoplasm in a cell type‐specific and developmental stage‐specific manner. Knockout of Mov10 leads to embryonic lethality, underscoring an important role in development where it is required for the completion of gastrulation. MOV10 is expressed throughout the organism; however, most studies have focused on germline cells and neurons. In the testes, the knockdown of Mov10 disrupts proliferation of spermatogonial progenitor cells. In brain, MOV10 is significantly elevated postnatally and binds mRNAs encoding cytoskeleton and neuron projection proteins, suggesting an important role in neuronal architecture. Heterozygous Mov10 mutant mice are hyperactive and anxious and their cultured hippocampal neurons have reduced dendritic arborization. Zygotic knockdown of Mov10 in Xenopus laevis causes abnormal head and eye development and mislocalization of neuronal precursors in the brain. Thus, MOV10 plays a vital role during development, defense against viral infection and in neuronal development and function: its many roles and regulation are only beginning to be unraveled. This article is categorized under:RNA Interactions with Proteins and Other Molecules > RNA‐Protein Complexes RNA Interactions with Proteins and Other Molecules > Protein‐RNA Interactions: Functional Implications
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Affiliation(s)
- Aatiqa Nawaz
- Department of Cell and Developmental Biology, University of Illinois-Urbana Champaign, Champaign, Illinois, USA
| | - Temirlan Shilikbay
- Department of Cell and Developmental Biology, University of Illinois-Urbana Champaign, Champaign, Illinois, USA
| | - Geena Skariah
- Neuroscience Program, University of Illinois-Urbana Champaign, Champaign, Illinois, USA.,Department of Neurology, University of Michigan, Ann Arbor, Michigan, USA
| | - Stephanie Ceman
- Department of Cell and Developmental Biology, Neuroscience Program, University of Illinois-Urbana Champaign, Champaign, Illinois, USA
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Brezgin S, Kostyusheva A, Bayurova E, Volchkova E, Gegechkori V, Gordeychuk I, Glebe D, Kostyushev D, Chulanov V. Immunity and Viral Infections: Modulating Antiviral Response via CRISPR-Cas Systems. Viruses 2021; 13:1373. [PMID: 34372578 PMCID: PMC8310348 DOI: 10.3390/v13071373] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 12/13/2022] Open
Abstract
Viral infections cause a variety of acute and chronic human diseases, sometimes resulting in small local outbreaks, or in some cases spreading across the globe and leading to global pandemics. Understanding and exploiting virus-host interactions is instrumental for identifying host factors involved in viral replication, developing effective antiviral agents, and mitigating the severity of virus-borne infectious diseases. The diversity of CRISPR systems and CRISPR-based tools enables the specific modulation of innate immune responses and has contributed impressively to the fields of virology and immunology in a very short time. In this review, we describe the most recent advances in the use of CRISPR systems for basic and translational studies of virus-host interactions.
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Affiliation(s)
- Sergey Brezgin
- National Medical Research Center of Tuberculosis and Infectious Diseases, Ministry of Health, 127994 Moscow, Russia; (S.B.); (A.K.); (V.C.)
- Institute of Immunology, Federal Medical Biological Agency, 115522 Moscow, Russia
- Scientific Center for Genetics and Life Sciences, Division of Biotechnology, Sirius University of Science and Technology, 354340 Sochi, Russia
| | - Anastasiya Kostyusheva
- National Medical Research Center of Tuberculosis and Infectious Diseases, Ministry of Health, 127994 Moscow, Russia; (S.B.); (A.K.); (V.C.)
| | - Ekaterina Bayurova
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, 108819 Moscow, Russia; (E.B.); (I.G.)
| | - Elena Volchkova
- Department of Infectious Diseases, Sechenov University, 119991 Moscow, Russia;
| | - Vladimir Gegechkori
- Department of Pharmaceutical and Toxicological Chemistry, Sechenov University, 119991 Moscow, Russia;
| | - Ilya Gordeychuk
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, 108819 Moscow, Russia; (E.B.); (I.G.)
- Department of Organization and Technology of Immunobiological Drugs, Sechenov University, 119991 Moscow, Russia
| | - Dieter Glebe
- National Reference Center for Hepatitis B Viruses and Hepatitis D Viruses, Institute of Medical Virology, Justus Liebig University of Giessen, 35392 Giessen, Germany;
| | - Dmitry Kostyushev
- National Medical Research Center of Tuberculosis and Infectious Diseases, Ministry of Health, 127994 Moscow, Russia; (S.B.); (A.K.); (V.C.)
- Scientific Center for Genetics and Life Sciences, Division of Biotechnology, Sirius University of Science and Technology, 354340 Sochi, Russia
| | - Vladimir Chulanov
- National Medical Research Center of Tuberculosis and Infectious Diseases, Ministry of Health, 127994 Moscow, Russia; (S.B.); (A.K.); (V.C.)
- Scientific Center for Genetics and Life Sciences, Division of Biotechnology, Sirius University of Science and Technology, 354340 Sochi, Russia
- Department of Infectious Diseases, Sechenov University, 119991 Moscow, Russia;
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Lidak T, Baloghova N, Korinek V, Sedlacek R, Balounova J, Kasparek P, Cermak L. CRL4-DCAF12 Ubiquitin Ligase Controls MOV10 RNA Helicase during Spermatogenesis and T Cell Activation. Int J Mol Sci 2021; 22:5394. [PMID: 34065512 PMCID: PMC8161014 DOI: 10.3390/ijms22105394] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 05/12/2021] [Accepted: 05/16/2021] [Indexed: 12/27/2022] Open
Abstract
Multisubunit cullin-RING ubiquitin ligase 4 (CRL4)-DCAF12 recognizes the C-terminal degron containing acidic amino acid residues. However, its physiological roles and substrates are largely unknown. Purification of CRL4-DCAF12 complexes revealed a wide range of potential substrates, including MOV10, an "ancient" RNA-induced silencing complex (RISC) complex RNA helicase. We show that DCAF12 controls the MOV10 protein level via its C-terminal motif in a proteasome- and CRL-dependent manner. Next, we generated Dcaf12 knockout mice and demonstrated that the DCAF12-mediated degradation of MOV10 is conserved in mice and humans. Detailed analysis of Dcaf12-deficient mice revealed that their testes produce fewer mature sperms, phenotype accompanied by elevated MOV10 and imbalance in meiotic markers SCP3 and γ-H2AX. Additionally, the percentages of splenic CD4+ T and natural killer T (NKT) cell populations were significantly altered. In vitro, activated Dcaf12-deficient T cells displayed inappropriately stabilized MOV10 and increased levels of activated caspases. In summary, we identified MOV10 as a novel substrate of CRL4-DCAF12 and demonstrated the biological relevance of the DCAF12-MOV10 pathway in spermatogenesis and T cell activation.
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Affiliation(s)
- Tomas Lidak
- Laboratory of Cancer Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 42 Vestec, Czech Republic; (T.L.); (N.B.); (V.K.)
- Faculty of Science, Charles University, 128 00 Prague, Czech Republic
| | - Nikol Baloghova
- Laboratory of Cancer Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 42 Vestec, Czech Republic; (T.L.); (N.B.); (V.K.)
| | - Vladimir Korinek
- Laboratory of Cancer Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 42 Vestec, Czech Republic; (T.L.); (N.B.); (V.K.)
- Laboratory of Cell and Developmental Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 42 Vestec, Czech Republic
| | - Radislav Sedlacek
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 50 Vestec, Czech Republic; (R.S.); (J.B.); (P.K.)
| | - Jana Balounova
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 50 Vestec, Czech Republic; (R.S.); (J.B.); (P.K.)
| | - Petr Kasparek
- Czech Centre for Phenogenomics, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 50 Vestec, Czech Republic; (R.S.); (J.B.); (P.K.)
| | - Lukas Cermak
- Laboratory of Cancer Biology, Institute of Molecular Genetics of the Czech Academy of Sciences, 252 42 Vestec, Czech Republic; (T.L.); (N.B.); (V.K.)
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Liu D, Ndongwe TP, Puray-Chavez M, Casey MC, Izumi T, Pathak VK, Tedbury PR, Sarafianos SG. Effect of P-body component Mov10 on HCV virus production and infectivity. FASEB J 2020; 34:9433-9449. [PMID: 32496609 DOI: 10.1096/fj.201800641r] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 03/28/2020] [Accepted: 05/04/2020] [Indexed: 12/11/2022]
Abstract
Mov10 is a processing body (P-body) protein and an interferon-stimulated gene that can affect replication of retroviruses, hepatitis B virus, and hepatitis C virus (HCV). The mechanism of HCV inhibition by Mov10 is unknown. Here, we investigate the effect of Mov10 on HCV infection and determine the virus life cycle steps affected by changes in Mov10 overexpression. Mov10 overexpression suppresses HCV RNA in both infectious virus and subgenomic replicon systems. Additionally, Mov10 overexpression decreases the infectivity of released virus, unlike control P-body protein DCP1a that has no effect on HCV RNA production or infectivity of progeny virus. Confocal imaging of uninfected cells shows endogenous Mov10 localized at P-bodies. However, in HCV-infected cells, Mov10 localizes in circular structures surrounding cytoplasmic lipid droplets with NS5A and core protein. Mutagenesis experiments show that the RNA binding activity of Mov10 is required for HCV inhibition, while its P-body localization, helicase, and ATP-binding functions are not required. Unexpectedly, endogenous Mov10 promotes HCV replication, as CRISPR-Cas9-based Mov10 depletion decreases HCV replication and infection levels. Our data reveal an important and complex role for Mov10 in HCV replication, which can be perturbed by excess or insufficient Mov10.
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Affiliation(s)
- Dandan Liu
- Christopher Bond Life Sciences Center, Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, USA
| | - Tanyaradzwa P Ndongwe
- Christopher Bond Life Sciences Center, Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, USA
| | - Maritza Puray-Chavez
- Christopher Bond Life Sciences Center, Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, USA
| | - Mary C Casey
- Christopher Bond Life Sciences Center, Department of Molecular Microbiology and Immunology, University of Missouri, Columbia, MO, USA
| | - Taisuke Izumi
- Viral Mutation Section, HIV Dynamics and Replication Program, National Cancer Institute-Frederick, Frederick, MD, USA
| | - Vinay K Pathak
- Viral Mutation Section, HIV Dynamics and Replication Program, National Cancer Institute-Frederick, Frederick, MD, USA
| | - Philip R Tedbury
- Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Stefan G Sarafianos
- Laboratory of Biochemical Pharmacology, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
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