Epigenetic regulation of Kaposi's sarcoma-associated herpesvirus latency by virus-encoded microRNAs that target Rta and the cellular Rbl2-DNMT pathway.

Abstract:

:Kaposi's sarcoma-associated herpesvirus (KSHV) encodes a cluster of 12 microRNAs (miRNAs) that are processed from a transcript that is embedded within the major latency control region. We have generated a deletion mutation that eliminates 10 of the 12 viral miRNAs from the KSHV bacmid by using recombineering methods. The KSHV miRNA deletion mutant (BAC36 DeltamiR) behaved similarly to wild-type (wt) BAC36 in viral production, latency gene transcription, and viral DNA copy number in 293 and dermal microvascular endothelial cells (DMVECs). However, BAC36 DeltamiR consistently expressed elevated levels of viral lytic genes, including the immediate-early transcriptional activator Rta (ORF50). At least one KSHV microRNA (miRK12-5) was capable of suppressing ORF50 mRNA, but poor seed sequence alignments suggest that these targets may be indirect. Comparison of epigenetic marks in DeltamiR KSHV genomes revealed decreases in histone H3 K9 methylation, increases in histone H3 acetylation, and a striking loss of DNA methylation throughout the viral and cellular genome. One viral miRNA, K12-4-5p, was found to have a sequence targeting retinoblastoma (Rb)-like protein 2 (Rbl2), which is a known repressor of DNA methyl transferase 3a and 3b mRNA transcription. We show that ectopic expression of miR-K12-4-5p reduces Rbl2 protein expression and increases DNMT1, -3a, and -3b mRNA levels relative to the levels for control cells. We conclude that KSHV miRNA targets multiple pathways to maintain the latent state of the KSHV genome, including repression of the viral immediate-early protein Rta and a cellular factor, Rbl2, that regulates global epigenetic reprogramming.

journal_name

J Virol

journal_title

Journal of virology

authors

Lu F,Stedman W,Yousef M,Renne R,Lieberman PM

doi

10.1128/JVI.01997-09

subject

Has Abstract

pub_date

2010-03-01 00:00:00

pages

2697-706

issue

6

eissn

0022-538X

issn

1098-5514

pii

JVI.01997-09

journal_volume

84

pub_type

杂志文章
  • Reovirus mu2 protein inhibits interferon signaling through a novel mechanism involving nuclear accumulation of interferon regulatory factor 9.

    abstract::The secreted cytokine alpha/beta interferon (IFN-alpha/beta) binds its receptor to activate the Jak-STAT signal transduction pathway, leading to formation of the heterotrimeric IFN-stimulated gene factor 3 (ISGF3) transcription complex for induction of IFN-stimulated genes (ISGs) and establishment of an antiviral stat...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.01787-08

    authors: Zurney J,Kobayashi T,Holm GH,Dermody TS,Sherry B

    更新日期:2009-03-01 00:00:00

  • Mutational inactivation of an inhibitory sequence in human immunodeficiency virus type 1 results in Rev-independent gag expression.

    abstract::We have characterized an inhibitory RNA element in the human immunodeficiency virus type 1 (HIV-1) gag coding sequence that prevents gag expression. The inhibition exerted by this element could be overcome by the presence of the Rev-responsive element in cis and of Rev protein in trans. To understand the mechanism of ...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.66.12.7176-7182.1992

    authors: Schwartz S,Campbell M,Nasioulas G,Harrison J,Felber BK,Pavlakis GN

    更新日期:1992-12-01 00:00:00

  • Bacterial lipopolysaccharide and gamma interferon induce transcription of beta interferon mRNA and interferon secretion in murine macrophages.

    abstract::Bacterial lipopolysaccharide (LPS) induces interferon (IFN) secretion and an antiviral state in murine peritoneal macrophages (PM). These cells secrete predominantly IFN-beta, as shown by neutralization assays with monoclonal antibodies. Secretion of IFN-beta is also induced in PM by IFN-gamma. LPS and IFN-gamma syner...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.63.6.2785-2789.1989

    authors: Gessani S,Belardelli F,Pecorelli A,Puddu P,Baglioni C

    更新日期:1989-06-01 00:00:00

  • cis-Acting inhibitory elements within the pol-env region of human T-cell leukemia virus type 1 possibly involved in viral persistence.

    abstract::Human T-cell leukemia virus type 1 (HTLV-1) remains latent throughout the life of the carrier, with cells containing the provirus and viral gene expression efficiently down-regulated. On a molecular level, exactly how viruses are down-regulated in vivo remains unresolved. We described here the possibility that down-re...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.71.6.4485-4494.1997

    authors: Saiga A,Orita S,Minoura-Tada N,Maeda M,Aono Y,Asakawa M,Nakahara K,Kubota R,Osame M,Igarashi H

    更新日期:1997-06-01 00:00:00

  • Human parainfluenza virus type 3 HN-receptor interaction: effect of 4-guanidino-Neu5Ac2en on a neuraminidase-deficient variant.

    abstract::The envelope of human parainfluenza virus type 3 (HPF3) contains two viral glycoproteins, the hemagglutinin-neuraminidase (HN) and the fusion protein (F). HN, which is responsible for receptor attachment and for promoting F-mediated fusion, also possesses neuraminidase (receptor-destroying) activity. We reported previ...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.75.16.7481-7488.2001

    authors: Porotto M,Greengard O,Poltoratskaia N,Horga MA,Moscona A

    更新日期:2001-08-01 00:00:00

  • Synergistic neutralization of simian-human immunodeficiency virus SHIV-vpu+ by triple and quadruple combinations of human monoclonal antibodies and high-titer anti-human immunodeficiency virus type 1 immunoglobulins.

    abstract::We have tested triple and quadruple combinations of human monoclonal antibodies (MAbs), which are directed against various epitopes on human immunodeficiency virus type 1 (HIV-1) envelope glycoproteins, and a high-titer anti-HIV-1 human immunoglobulin (HIVIG) preparation for their abilities to neutralize a chimeric si...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.72.4.3235-3240.1998

    authors: Li A,Katinger H,Posner MR,Cavacini L,Zolla-Pazner S,Gorny MK,Sodroski J,Chou TC,Baba TW,Ruprecht RM

    更新日期:1998-04-01 00:00:00

  • Small-molecule inhibitor which reactivates p53 in human T-cell leukemia virus type 1-transformed cells.

    abstract::Human T-cell leukemia virus type 1 (HTLV-1) is the etiologic agent of the aggressive and fatal disease adult T-cell leukemia. Previous studies have demonstrated that the HTLV-1-encoded Tax protein inhibits the function of tumor suppressor p53 through a Tax-induced NF-kappaB pathway. Given these attributes, we were int...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.00690-08

    authors: Jung KJ,Dasgupta A,Huang K,Jeong SJ,Pise-Masison C,Gurova KV,Brady JN

    更新日期:2008-09-01 00:00:00

  • Synthesis of RNA by mutants of vesicular stomatitis virus (Indiana serotype) and the ability of wild-type VSV New Jersey to complement the VSV Indiana ts G I-114 transcription defect.

    abstract::The ability of certain vesicular stomatitis virus (VSV; Indiana serotype) temperature-sensitive (ts) mutants to synthesize intracellular viral complementary RNA (vcRNA) at permissive or nonpermissive temperatures for productive infections has been investigated. Mutants belonging to complementation groups II, III, and ...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.20.1.157-169.1976

    authors: Repik P,Flamand A,Bishop DH

    更新日期:1976-10-01 00:00:00

  • Defective assembly of influenza A virus due to a mutation in the polymerase subunit PA.

    abstract::The RNA-dependent RNA polymerase of influenza A virus is composed of three subunits that together synthesize all viral mRNAs and also replicate the viral genomic RNA segments (vRNAs) through intermediates known as cRNAs. Here we describe functional characterization of 16 site-directed mutants of one polymerase subunit...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.80.1.252-261.2006

    authors: Regan JF,Liang Y,Parslow TG

    更新日期:2006-01-01 00:00:00

  • Two specific topoisomerase II inhibitors prevent replication of human cytomegalovirus DNA: an implied role in replication of the viral genome.

    abstract::In this study, we show that human cytomegalovirus DNA synthesis is inhibited in infected confluent human embryonic lung cells treated with the DNA-intercalative topoisomerase II inhibitor 4-9'-(acridinylamino)methanesulfon-m-anisidide (m-AMSA). Similar inhibitory effects were observed with VM-26, a nonintercalative to...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.62.12.4797-4800.1988

    authors: Benson JD,Huang ES

    更新日期:1988-12-01 00:00:00

  • Glycan Profiles of gp120 Protein Vaccines from Four Major HIV-1 Subtypes Produced from Different Host Cell Lines under Non-GMP or GMP Conditions.

    abstract::Envelope (Env) glycoprotein of human immunodeficiency virus type 1 (HIV-1) is an important target for the development of an HIV vaccine. Extensive glycosylation of Env is an important feature that both protects the virus from antibody responses and serves as a target for some highly potent broadly neutralizing antibod...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.01968-19

    authors: Wang S,Voronin Y,Zhao P,Ishihara M,Mehta N,Porterfield M,Chen Y,Bartley C,Hu G,Han D,Wells L,Tiemeyer M,Lu S

    更新日期:2020-03-17 00:00:00

  • At least two types of control regions can be found among naturally occurring BK virus strains.

    abstract::The various strains of BK virus (BKV) exhibit a remarkable degree of heterogeneity in the transcriptional control region, which may affect the biological characteristics of a BKV strain. We describe the detection and sequencing of BKV control regions directly from urine samples and after propagation in cell culture. A...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.64.8.3864-3871.1990

    authors: Sundsfjord A,Johansen T,Flaegstad T,Moens U,Villand P,Subramani S,Traavik T

    更新日期:1990-08-01 00:00:00

  • Fractionation of DNA nucleotide transcripts from Moloney sarcoma virus and isolation of sarcoma virus-specific complementary DNA.

    abstract::Radioactive DNA complementary to nucleotide sequences in Moloney murine sarcoma virus (MSV) and Moloney leukemia virus (M-MuLV) complex was made by the endogenous reverse transcriptase reaction. These virus stocks contained a threefold excess of MSV over M-MuLV as measured by biological assay. The complementary DNA wa...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.18.2.481-490.1976

    authors: Frankel AE,Neubauer RL,Fischinger PJ

    更新日期:1976-05-01 00:00:00

  • An increasing proportion of monotypic HIV-1 DNA sequences during antiretroviral treatment suggests proliferation of HIV-infected cells.

    abstract::Understanding how HIV-1 persists during effective antiretroviral therapy (ART) should inform strategies to cure HIV-1 infection. We hypothesize that proliferation of HIV-1-infected cells contributes to persistence of HIV-1 infection during suppressive ART. This predicts that identical or monotypic HIV-1 DNA sequences ...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.01985-12

    authors: Wagner TA,McKernan JL,Tobin NH,Tapia KA,Mullins JI,Frenkel LM

    更新日期:2013-02-01 00:00:00

  • The C Protein Is Recruited to Measles Virus Ribonucleocapsids by the Phosphoprotein.

    abstract::Measles virus (MeV), like all viruses of the order Mononegavirales, utilizes a complex consisting of genomic RNA, nucleoprotein, the RNA-dependent RNA polymerase, and a polymerase cofactor, the phosphoprotein (P), for transcription and replication. We previously showed that a recombinant MeV that does not express anot...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.01733-19

    authors: Pfaller CK,Bloyet LM,Donohue RC,Huff AL,Bartemes WP,Yousaf I,Urzua E,Clavière M,Zachary M,de Masson d'Autume V,Carson S,Schieferecke AJ,Meyer AJ,Gerlier D,Cattaneo R

    更新日期:2020-01-31 00:00:00

  • CC chemokine ligand 3 (CCL3) regulates CD8(+)-T-cell effector function and migration following viral infection.

    abstract::Chemokines induce the directional migration of targeted populations of leukocytes during periods of inflammation. Moreover, these molecules also regulate T-cell activation and differentiation following antigenic stimulation. In the present study, the contributions of the CC chemokine ligand 3 (CCL3) to the differentia...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/jvi.77.7.4004-4014.2003

    authors: Trifilo MJ,Bergmann CC,Kuziel WA,Lane TE

    更新日期:2003-04-01 00:00:00

  • Molecular characterization of proteolytic processing of the Gag proteins of human spumavirus.

    abstract::Spumaviruses, or foamy viruses, express Gag proteins that are incompletely processed by the viral protease in cell cultures. To delineate the proteolytic cleavage sites between potential Gag subdomains, recombinant human spumaretrovirus (HSRV) Gag proteins of different lengths were expressed, purified by affinity chro...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.73.9.7907-7911.1999

    authors: Pfrepper KI,Löchelt M,Rackwitz HR,Schnölzer M,Heid H,Flügel RM

    更新日期:1999-09-01 00:00:00

  • Proteolytic processing of the Sindbis virus membrane protein precursor PE2 is nonessential for growth in vertebrate cells but is required for efficient growth in invertebrate cells.

    abstract::We have shown previously that processing of the Sindbis virus envelope protein precursor PE2 to envelope protein E2 is not required for virus maturation in cultured vertebrate fibroblast cells and that unprocessed PE2 can be incorporated into infectious virus in place of E2 (J. F. Presley and D. T. Brown, J. Virol. 63...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.65.4.1905-1909.1991

    authors: Presley JF,Polo JM,Johnston RE,Brown DT

    更新日期:1991-04-01 00:00:00

  • Immune-mediated thrombocytopenia in horses infected with equine infectious anemia virus.

    abstract::An adult horse infected with a virulent, cell culture-adapted strain of equine infectious anemia virus (EIAV) developed cyclical thrombocytopenia in which the nadir of platelet counts coincided with peak febrile responses. In order to investigate the mechanism of thrombocytopenia during acute febrile episodes, four ad...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.65.11.6242-6251.1991

    authors: Clabough DL,Gebhard D,Flaherty MT,Whetter LE,Perry ST,Coggins L,Fuller FJ

    更新日期:1991-11-01 00:00:00

  • Isolation and characterization of measles virus intracellular nucleocapsid RNA.

    abstract::Protocols have been established for the preparation of large amounts of pure measles virus intracellular nucleocapsids. As a result, it has been possible to routinely achieve nucleocapsid RNA yields of approximately 200 micrograms (from approximately 5 X 10(8) infected cells). Electrophoretic analysis of this RNA unde...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.49.1.57-65.1984

    authors: Udem SA,Cook KA

    更新日期:1984-01-01 00:00:00

  • Functional phenotype of transformed human alphabeta and gammadelta T cells determined by different subgroup C strains of herpesvirus Saimiri.

    abstract::Based on sequence divergence in the transformation-relevant region, herpesvirus saimiri strains are classified into three subgroups. Only members of subgroup C transform human T lymphocytes to continuous interleukin-2-dependent growth in culture. In this study, human cord blood T cells were immortalized by using diffe...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.71.3.2252-2263.1997

    authors: Fickenscher H,Bökel C,Knappe A,Biesinger B,Meinl E,Fleischer B,Fleckenstein B,Bröker BM

    更新日期:1997-03-01 00:00:00

  • Nevirapine resistance mutations of human immunodeficiency virus type 1 selected during therapy.

    abstract::Drug susceptibility and mutations in the reverse transcriptase (RT) gene were analyzed with 167 virus isolates from 38 patients treated with nevirapine, a potent nonnucleoside inhibitor of human immunodeficiency virus type 1 (HIV-1) RT. Resistant isolates emerged quickly and uniformly in all patients administered nevi...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.68.3.1660-1666.1994

    authors: Richman DD,Havlir D,Corbeil J,Looney D,Ignacio C,Spector SA,Sullivan J,Cheeseman S,Barringer K,Pauletti D

    更新日期:1994-03-01 00:00:00

  • Host range and receptor binding properties of vectors bearing feline leukemia virus subgroup B envelopes can be modulated by envelope sequences outside of the receptor binding domain.

    abstract::To evaluate host range differences between two different strains of feline leukemia virus subgroup B (FeLV-B), we compared the binding and infectivity patterns of retrovirus vectors bearing either FeLV-B-90Z or FeLV-B-GA envelopes. We report here that the ability of these envelopes to utilize different Pit1 orthologs ...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/jvi.76.23.12369-12375.2002

    authors: Faix PH,Feldman SA,Overbaugh J,Eiden MV

    更新日期:2002-12-01 00:00:00

  • Type C retrovirus inactivation by human complement is determined by both the viral genome and the producer cell.

    abstract::The inactivation of type C retroviruses by human serum may be a considerable impediment to the use of retroviral vectors in vivo for gene therapy. Here we show that virus inactivation is dependent both on the virus and on the cell line used to produce the virus. All viruses produced from murine NIH 3T3 or dog Cf2ThS+L...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.68.12.8001-8007.1994

    authors: Takeuchi Y,Cosset FL,Lachmann PJ,Okada H,Weiss RA,Collins MK

    更新日期:1994-12-01 00:00:00

  • The RNA polymerase of influenza a virus is stabilized by interaction with its viral RNA promoter.

    abstract::The RNA polymerase of the influenza virus is responsible for the transcription and replication of the segmented RNA viral genome during infection of host cells. Polymerase function is known to be strictly dependent on interaction with its RNA promoter, but no attempts to investigate whether the virion RNA (vRNA) promo...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/jvi.76.14.7103-7113.2002

    authors: Brownlee GG,Sharps JL

    更新日期:2002-07-01 00:00:00

  • Binding of the Methyl Donor S-Adenosyl-l-Methionine to Middle East Respiratory Syndrome Coronavirus 2'-O-Methyltransferase nsp16 Promotes Recruitment of the Allosteric Activator nsp10.

    abstract::The Middle East respiratory syndrome coronavirus (MERS-CoV) nonstructural protein 16 (nsp16) is an S-adenosyl-l-methionine (SAM)-dependent 2'-O-methyltransferase (2'-O-MTase) that is thought to methylate the ribose 2'-OH of the first transcribed nucleotide (N1) of viral RNA cap structures. This 2'-O-MTase activity is ...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.02217-16

    authors: Aouadi W,Blanjoie A,Vasseur JJ,Debart F,Canard B,Decroly E

    更新日期:2017-02-14 00:00:00

  • CCR2 deficiency promotes exacerbated chronic erosive neutrophil-dominated chikungunya virus arthritis.

    abstract:UNLABELLED:Chikungunya virus (CHIKV) is a member of a globally distributed group of arthritogenic alphaviruses that cause weeks to months of debilitating polyarthritis/arthralgia, which is often poorly managed with current treatments. Arthritic disease is usually characterized by high levels of the chemokine CCL2 and a...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.03364-13

    authors: Poo YS,Nakaya H,Gardner J,Larcher T,Schroder WA,Le TT,Major LD,Suhrbier A

    更新日期:2014-06-01 00:00:00

  • Claudin-6 and claudin-9 function as additional coreceptors for hepatitis C virus.

    abstract::Hepatitis C virus (HCV) is a global challenge to public health. Several factors have been proven to be critical for HCV entry, including the newly identified claudin-1 (CLDN1). However, the mechanism of HCV entry is still obscure. Presently, among the 20 members of the claudin family identified in humans so far, CLDN1...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.01457-07

    authors: Zheng A,Yuan F,Li Y,Zhu F,Hou P,Li J,Song X,Ding M,Deng H

    更新日期:2007-11-01 00:00:00

  • Immunogenic peptides of influenza virus subtype N1 neuraminidase identify a T-cell determinant used in class II major histocompatibility complex-restricted responses to infectious virus.

    abstract::Six nonoverlapping peptides of the neuraminidase (NA) glycoprotein of influenza virus A/Puerto Rico/8/34 (H1N1) (PR8 virus) were found to be immunogenic for proliferating T cells when injected into BALB/c mice in Freund adjuvant. T cells elicited by peptide immunization could recognize PR8 virus in vitro. However, onl...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/JVI.65.2.672-676.1991

    authors: Hackett CJ,Horowitz D,Wysocka M,Eisenlohr LC

    更新日期:1991-02-01 00:00:00

  • Identification of proteins associated with murine gammaherpesvirus 68 virions.

    abstract::Murine gammaherpesvirus 68 (MHV68 [also known as gammaHV-68]) is distinguished by its ability to replicate to high titers in cultured cells, making it an excellent candidate for studying gammaherpesvirus virion composition. Extracellular MHV68 virions were isolated, and abundant virion-associated proteins were identif...

    journal_title:Journal of virology

    pub_type: 杂志文章

    doi:10.1128/jvi.77.24.13425-13432.2003

    authors: Bortz E,Whitelegge JP,Jia Q,Zhou ZH,Stewart JP,Wu TT,Sun R

    更新日期:2003-12-01 00:00:00