Abstract:
:We have been studying defective interfering (DI) genomes of the RNA enveloped virus Sindbis virus. Deletion mapping of a DI cDNA demonstrated that only sequences at the 3' and 5' termini of the genome are required for the DI RNA to be biologically active. We constructed a series of cDNAs that transcribe DI RNAs differing only in 5'-terminal sequences. Two of the 5' termini identical to ones found in naturally occurring DI RNAs are the 5' terminus of the virion RNA (DI-549) and the first 142 nucleotides from the 5' terminus of the subgenomic 26S mRNA attached to the 5' terminus of the virion RNA (DI-15). The latter has a 42-nucleotide deletion from nucleotides 25 to 66 in the 26S RNA sequence. These DI RNA transcripts were biologically active, but one (DI-526) which did not have the 42-nucleotide deletion of DI-15 was not replicated. The DI RNA isolated after the presumed amplification of the DI-526 transcript had deleted the first 54 nucleotides of the 26S RNA sequences. The 5' terminus of Sindbis virion RNA contains a stem and loop region that is conserved among alphaviruses. An 11-nucleotide deletion in DI-549 that disrupted this stem and loop rendered this DI RNA inactive. In contrast, this same deletion in DI-15 and one that removed an additional 100 nucleotides of the virion 5' terminus did not prevent its amplification. We did not detect by computer analysis any common secondary structures among the biologically active DI RNAs that distinguished them from those RNAs that were not amplified. Our results support the conclusion that tertiary structure or the ability of the RNA to adapt its structure upon interaction with protein is important in the recognition process.
journal_name
J Viroljournal_title
Journal of virologyauthors
Tsiang M,Weiss BG,Schlesinger Sdoi
10.1128/JVI.62.1.47-53.1988subject
Has Abstractpub_date
1988-01-01 00:00:00pages
47-53issue
1eissn
0022-538Xissn
1098-5514journal_volume
62pub_type
杂志文章abstract::We have constructed new murine leukemia virus (MLV)-based vectors (TIN vectors) which, following integration, contain human immunodeficiency virus (HIV) type 1 U3 and R sequences in place of the MLV U3 and R regions. This provides, for the first time, single transcriptional unit retroviral vectors under the control of...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.70.11.8234-8240.1996
更新日期:1996-11-01 00:00:00
abstract::The association of newly synthesized vesicular stomatitis virus proteins into nucleocapsid structures was examined in a cell-free system that supports concurrent viral protein synthesis, transcription, and RNA replication. The vesicular stomatitis virus proteins synthesized by this system associated with the newly rep...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.45.1.155-164.1983
更新日期:1983-01-01 00:00:00
abstract::To examine the contribution of the transmembrane envelope glycoprotein (TM) to the infectivity of the human T-cell leukemia virus type 1 (HTLV-1), single amino acid substitutions were introduced throughout its ectodomain. The mutated envelopes were tested for intracellular maturation and for functions, including abili...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.71.10.7180-7186.1997
更新日期:1997-10-01 00:00:00
abstract:UNLABELLED:Arthritogenic alphaviruses such as Ross River virus (RRV) and chikungunya virus (CHIKV) cause large-scale epidemics of severe musculoskeletal disease and have been progressively expanding their global distribution. Since its introduction in July 2014, CHIKV now circulates in the United States. The hallmark o...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.00224-15
更新日期:2015-08-01 00:00:00
abstract::We have used linker scanning and site-directed mutagenesis in an attempt to distinguish among the known functions of the duck hepatitis B virus large envelope protein, p36. We found that linker-encoded amino acid substitutions in at least one region of the pre-S envelope protein p36 produced defects in both the produc...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.68.7.4565-4571.1994
更新日期:1994-07-01 00:00:00
abstract::Heterozygous replicative form molecules of bacteriophage phiX174 deoxyribonucleic acid (DNA) have been constructed in vitro. These are composed of viral strands extracted from purified preparations of phage bearing ts mutations and complementary strands of either half length or full length synthesized with purified DN...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.7.5.603-611.1971
更新日期:1971-05-01 00:00:00
abstract::Mutant recombinant respiratory syncytial viruses (RSV) which cannot express the NS1 and M2-2 proteins, designated rA2DeltaNS1 and rA2DeltaM2-2, respectively, were evaluated as live-attenuated RSV vaccines. The rA2DeltaNS1 virus contains a large deletion that should have the advantageous property of genetic stability d...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.74.19.9317-9321.2000
更新日期:2000-10-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.50.3.805-812.1984
更新日期:1984-06-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.76.12.5974-5984.2002
更新日期:2002-06-01 00:00:00
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pub_type: 杂志文章
doi:10.1128/JVI.80.5.2539-2547.2006
更新日期:2006-03-01 00:00:00
abstract::Integrin-using rotaviruses bind MA104 cell surface alpha2beta1 integrin via the Asp-Gly-Glu (DGE) sequence in virus spike protein VP4 and interact with alphaxbeta2 integrin during cell entry through outer capsid protein VP7. Infection is inhibited by the alpha2beta1 ligand Asp-Gly-Glu-Ala (DGEA) and the alphaxbeta2 li...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.78.21.11786-11797.2004
更新日期:2004-11-01 00:00:00
abstract::The gene encoding the glycoprotein Marek's disease herpesvirus A antigen (MDHV-A) precursor polypeptide pr47 was delineated by using Northern blot (RNA blot) analysis and hybrid selection of its mRNA with cloned MDHV DNA, cell-free translation of the mRNA, and immunoprecipitation of the polypeptide. The resulting piec...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.61.8.2614-2620.1987
更新日期:1987-08-01 00:00:00
abstract::Human immunodeficiency virus type 1 (HIV-1) displays both interstrain and intrastrain genetic variability. Virus populations with extensive microheterogeneity have been defined as swarms or quasispecies. Many of the genomes within HIV-1 swarms appear to be defective in one or more genes required for viral replication....
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.66.9.5553-5560.1992
更新日期:1992-09-01 00:00:00
abstract::The full-length genome of human cytomegalovirus strain AD169 was cloned as an infectious bacterial artificial chromosome (BAC) plasmid, pAD/Cre. The BAC vector, flanked by LoxP sites, was inserted immediately after the Us28 open reading frame without deletion of any viral sequences. The BAC vector contained the Cre re...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.76.5.2316-2328.2002
更新日期:2002-03-01 00:00:00
abstract::Affinity-purified medium T antigen encoded by NG59, a nontransforming mutant of polyomavirus, is specifically associated with a protein of 72,000 daltons (72K protein). Medium T antigens of wild-type polyomavirus and the transformation-competent mutant dl8 are not associated with the 72K protein. Instead, they form a ...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.61.2.405-410.1987
更新日期:1987-02-01 00:00:00
abstract::Apoptosis of virus-infected cells occurs either as a direct response to viral infection or upon recognition of infection by the host immune response. Apoptosis reduces production of new virus from these cells, and therefore viruses have evolved inhibitory mechanisms. We previously showed that laboratory strains of her...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.73.11.8950-8957.1999
更新日期:1999-11-01 00:00:00
abstract::We generated Chinese hamster ovary cell lines that stably express wild-type, secreted, and glycosylphosphatidylinositol (GPI)-anchored envelope glycoprotein of human immunodeficiency virus type 1 (HIV-1). The cells expressing wild-type Env (WT cells) express both the precursor gp160 and the mature gp120/gp41 and readi...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.67.12.7060-7066.1993
更新日期:1993-12-01 00:00:00
abstract::We found that recircularized high-risk (type 16 and 18) and low-risk mucosal (type 6b and 11) and cutaneous (type 5 and 8) human papillomavirus (HPV) genomes replicate readily when delivered into U2OS cells by electroporation. The replication efficiency is dependent on the amount of input HPV DNA and can be followed f...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.01985-10
更新日期:2011-04-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.70.9.6067-6070.1996
更新日期:1996-09-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.18.3.839-847.1976
更新日期:1976-06-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.44.3.804-812.1982
更新日期:1982-12-01 00:00:00
abstract:UNLABELLED:Intron-containing mRNAs are subject to restricted nuclear export in higher eukaryotes. Retroviral replication requires the nucleocytoplasmic transport of both spliced and unspliced RNA transcripts, and RNA export mechanisms of gammaretroviruses are poorly characterized. Here, we report the involvement of the...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.03584-13
更新日期:2014-04-01 00:00:00
abstract::Human cytomegalovirus (HCMV) has emerged as a clinically opportunistic pathogen that targets multiple types of ocular cells and tissues, including the iris region of the uveal tract during anterior uveitis. In this report, we used primary cultures of human iris stroma (HIS) cells derived from human eye donors to inves...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.00109-15
更新日期:2015-05-01 00:00:00
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journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.77.4.2768-2774.2003
更新日期:2003-02-01 00:00:00
abstract::Epstein-Barr virus (EBV), a member of human gammaherpesvirus, infects mainly B cells. EBV has two alternative life cycles, latent and lytic, and is reactivated occasionally from the latent stage to the lytic cycle. To combat EBV-associated disorders, understanding the molecular mechanisms of the EBV lytic replication ...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.00975-17
更新日期:2017-11-14 00:00:00
abstract::The effect of guanidine on the replication of the group A arboviruses, Sindbis virus, and Semliki Forest virus (SFV) was studied. Guanidine rapidly, but reversibly, inhibited SFV ribonucleic acid (RNA) synthesis. The synthesis of all species of viral RNA was inhibited, but that of ribonuclease-resistant forms was leas...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.6.5.628-636.1970
更新日期:1970-11-01 00:00:00
abstract::Rotavirus NSP5 is a nonstructural protein that localizes in cytoplasmic viroplasms of infected cells. NSP5 interacts with NSP2 and undergoes a complex posttranslational hyperphosphorylation, generating species with reduced polyacrylamide gel electrophoresis mobility. This process has been suggested to be due in part t...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/jvi.76.7.3461-3470.2002
更新日期:2002-04-01 00:00:00
abstract::Type 3 reovirus inhibits L cell DNA synthesis, whereas type 1 reovirus exerts little or no effect on L cell DNA synthesis. By using recombinant viruses containing both type 1 and type 3 double-standard RNA segments, we determined that one double-stranded RNA segment, the reovirus type 3 S1 double-stranded RNA segment ...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.38.1.389-392.1981
更新日期:1981-04-01 00:00:00
abstract::Under natural conditions and in some experimental models, rabies virus infection of the central nervous system causes relatively mild histopathological changes, without prominent evidence of neuronal death despite its lethality. In this study, the effects of rabies virus infection on the structure of neurons were inve...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.01677-07
更新日期:2008-01-01 00:00:00
abstract::Human CD317 (BST-2/tetherin) is an intrinsic immunity factor that blocks the release of retroviruses, filoviruses, herpesviruses, and arenaviruses. It is unclear whether CD317 expressed endogenously in rodent cells has the capacity to interfere with the replication of the retroviral rodent pathogen murine leukemia vir...
journal_title:Journal of virology
pub_type: 杂志文章
doi:10.1128/JVI.01067-10
更新日期:2010-11-01 00:00:00