JC virus evolution and its association with human populations.

abstract：:Relative to wild-type herpes simplex virus type 1 (HSV-1), ICP0-null mutant viruses reactivate inefficiently from explanted, latently infected mouse trigeminal ganglia (TG), indicating that ICP0 is not essential for reactivation but plays a central role in enhancing the efficiency of reactivation. The validity of thes...

journal_title：Journal of virology

authors： Halford WP,Schaffer PA

更新日期：2001-04-01 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus (KSHV) is a recently discovered human gamma herpesvirus strongly implicated in AIDS-related neoplasms. We report here the identification in the KSHV genome of a gene for a protein designated K-bZIP and belonging to the basic-leucine zipper (bZIP) family of transcription factors....

journal_title：Journal of virology

authors： Lin SF,Robinson DR,Miller G,Kung HJ

更新日期：1999-03-01 00:00:00

abstract：:Incubation of highly purified adeno-associated virus (AAV) capsids in vitro at pH 5.5 induced significant autocleavage of capsid proteins at several amino acid positions. No autocleavage was seen at pH 7.5. Examination of other AAV serotypes showed at least two different pH-induced cleavage patterns, suggesting that d...

journal_title：Journal of virology

authors： Salganik M,Venkatakrishnan B,Bennett A,Lins B,Yarbrough J,Muzyczka N,Agbandje-McKenna M,McKenna R

更新日期：2012-11-01 00:00:00

abstract：:The affinity of human immunodeficiency virus (HIV) envelope for CD4 and CCR5 appears to be associated with aspects of R5 virus (virus using the CCR5 coreceptor) pathogenicity. However, entry efficiency results from complex interactions between the viral envelope glycoprotein and both CD4 and CCR5, which limits attempt...

journal_title：Journal of virology

authors： Johnston SH,Lobritz MA,Nguyen S,Lassen K,Delair S,Posta F,Bryson YJ,Arts EJ,Chou T,Lee B

更新日期：2009-11-01 00:00:00

abstract：:Eleven highly conserved proteins comprise the poxvirus entry-fusion complex (EFC). We focused on vaccinia virus (VACV) O3, a 35-amino acid, largely hydrophobic component of unknown specific function. Experimental evolution was carried out by blindly passaging a virus that was severely impaired in entry due to deletion...

journal_title：Journal of virology

authors： Tak AI,Americo JL,Diesterbeck US,Moss B

更新日期：2021-01-27 00:00:00

abstract：:The adenovirus major late transcription unit (MLTU) encodes five families of mRNAs, L1 to L5, each distinguished by a unique poly(A) site. Use of the promoter-proximal L1 poly(A) site predominates during early infection, whereas poly(A) site choice shifts to the promoter-distal sites during late infection. A mini-MLTU...

journal_title：Journal of virology

authors： Gilmartin GM,Hung SL,DeZazzo JD,Fleming ES,Imperiale MJ

更新日期：1996-03-01 00:00:00

abstract：:Bovine leukemia virus (BLV) is silent in most cells detectable in vivo, and the repression of its expression allows BLV to evade the host's immune response. In this study, we examined whether CpG methylation of DNA might be involved in the regulation of the expression of BLV in vivo. To investigate the effects of CpG ...

journal_title：Journal of virology

authors： Tajima S,Tsukamoto M,Aida Y

更新日期：2003-04-01 00:00:00

abstract：:For viruses with segmented genomes, genetic diversity is generated by genetic drift, reassortment, and recombination. Recombination produces RNA populations distinct from full-length gene segments and can influence viral population dynamics, persistence, and host immune responses. Viruses in the Reoviridae family, inc...

journal_title：Journal of virology

authors： Smith SC,Gribble J,Diller JR,Wiebe MA,Thoner TW Jr,Denison MR,Ogden KM

更新日期：2021-01-20 00:00:00

abstract：:Respiratory syncytial virus (RSV) G protein deletion mutants replicate effectively in vitro but have not been detected in nature. Subtyping of RSV strains in hospitalized children in South Africa identified G protein PCR amplicons significantly reduced in size in 2 out of 209 clinical specimens screened over 4 years. ...

journal_title：Journal of virology

authors： Venter M,van Niekerk S,Rakgantso A,Bent N

更新日期：2011-08-01 00:00:00

abstract：:Embryonic stem cells are subjected to a dynamic genome regulation during development. Here we report that the ectopic lentiviral transgenes are quickly silenced in murine embryonic carcinoma P19 cells. The silencing was correlated with CpG hypermethylation in the transgene promoter. Using high-resolution sodium bisulf...

journal_title：Journal of virology

authors： He J,Yang Q,Chang LJ

更新日期：2005-11-01 00:00:00

abstract：:Gammaherpesviruses are ubiquitous pathogens that establish lifelong infections and are associated with a variety of malignancies, including lymphomas. Interferon regulatory factor 7 (IRF-7) is an innate immune transcription factor that restricts acute replication of diverse viruses, including murine gammaherpesvirus 6...

journal_title：Journal of virology

authors： Johnson KE,Aurubin CA,Jondle CN,Lange PT,Tarakanova VL

更新日期：2020-11-23 00:00:00

abstract：:The Epstein-Barr virus (EBV) nuclear antigen 3C (EBNA-3C) protein is a transcriptional regulator of viral and cellular genes that is essential for EBV-mediated immortalization of B lymphocytes in vitro. EBNA-3C can inhibit transcription through an association with the cellular DNA-binding protein Jkappa, a function sh...

journal_title：Journal of virology

authors： Zhao B,Sample CE

更新日期：2000-06-01 00:00:00

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

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

abstract：UNLABELLED:The increasing prevalence of ranavirus (RV; Iridoviridae) infections of wild and commercially maintained aquatic species is raising considerable concerns. While Xenopus laevis is the leading model for studies of immunity to RV, amphibian antiviral interferon (IFN) responses remain largely uncharacterized. Ac...

journal_title：Journal of virology

authors： Grayfer L,De Jesús Andino F,Robert J

更新日期：2014-05-01 00:00:00

abstract：:Cell cycle progression during cytomegalovirus infection was investigated by fluorescence-activated cell sorter (FACS) analysis of the DNA content in growth-arrested as well as serum-stimulated human fibroblasts. Virus-infected cells maintained in either low (0.2%) or high (10%) serum failed to progress into S phase an...

journal_title：Journal of virology

authors： Dittmer D,Mocarski ES

更新日期：1997-02-01 00:00:00

abstract：:Borna disease virus (BDV) is a nonsegmented, negative-strand RNA virus related to rhabdoviruses and paramyxoviruses. Unlike animal viruses of these two families, BDV transcribes RNAs in the nuclei of infected cells and produces high levels of transcripts containing multiple open reading frames. Previous Northern blot ...

journal_title：Journal of virology

authors： Schneider PA,Schneemann A,Lipkin WI

更新日期：1994-08-01 00:00:00

abstract：:The foot-and-mouth disease virus (FMDV) capsid is highly acid labile, but introduction of amino acid replacements, including an N17D change in VP1, can increase its acid resistance. Using mutant VP1 N17D as a starting point, we isolated a virus with higher acid resistance carrying an additional replacement, VP2 H145Y,...

journal_title：Journal of virology

authors： Vázquez-Calvo A,Caridi F,Sobrino F,Martín-Acebes MA

更新日期：2014-03-01 00:00:00

abstract：:Marburg virus, a filovirus, causes severe hemorrhagic fever with hitherto poorly understood molecular pathogenesis. We have investigated here the vectorial transport of the surface protein GP of Marburg virus in polarized epithelial cells. To this end, we established an MDCKII cell line that was able to express GP per...

journal_title：Journal of virology

authors： Sänger C,Mühlberger E,Ryabchikova E,Kolesnikova L,Klenk HD,Becker S

更新日期：2001-02-01 00:00:00

abstract：:Vesicular stomatitis virus has the potential for very rapid evolution in the laboratory, but like many other arboviruses, it evolves at a relatively slow rate in the natural environment. Previous work showed that alternating replication in different cell types does not promote stasis. In order to determine whether oth...

journal_title：Journal of virology

authors： Zárate S,Novella IS

更新日期：2004-11-01 00:00:00

abstract：:We have proposed a general algorithm for identification of potential immunoprotective domains (cassettes) on the envelope E2 polypeptide of alphaviruses (H. Grosfeld, B. Velan, M. Leitner, S. Cohen, S. Lustig, B.E. Lachmi, and A. Shafferman, J. Virol. 63:3416-3422, 1989). To assess the generality of our approach, we c...

journal_title：Journal of virology

authors： Grosfeld H,Lustig S,Gozes Y,Velan B,Cohen S,Leitner M,Lachmi B,Katz D,Olshevski U,Shafferman A

更新日期：1992-02-01 00:00:00

abstract：:Spanins are bacteriophage lysis proteins responsible for disruption of the outer membrane, the final step of Gram-negative host lysis. The absence of spanins results in a terminal phenotype of fragile spherical cells. The phage T1 employs a unimolecular spanin gp11 that has an N-terminal lipoylation signal and a C-ter...

journal_title：Journal of virology

authors： Kongari R,Snowden J,Berry JD,Young R

更新日期：2018-10-29 00:00:00

abstract：:It has been suggested that vaccination prior to infection may direct the mutational evolution of human immunodeficiency virus type 1 (HIV-1) to a less fit virus, resulting in an attenuated course of disease. The present study was initiated to explore whether prior immunization might prevent the reversion of the virus ...

journal_title：Journal of virology

authors： Manuel ER,Yeh WW,Balachandran H,Clarke RH,Lifton MA,Letvin NL

更新日期：2010-12-01 00:00:00

abstract：:Mouse mammary tumor virus (MMTV) is a retrovirus which induces a strong immune response and a dramatic increase in the number of infected cells through the expression of a superantigen (SAg). Many cytokines are likely to be involved in the interaction between MMTV and the immune system. In particular, alpha/beta inter...

journal_title：Journal of virology

authors： Maillard I,Launois P,Xenarios I,Louis JA,Acha-Orbea H,Diggelmann H

更新日期：1998-04-01 00:00:00

abstract：:Deoxyribonucleoside triphosphates are incorporated into T4 DNA in infected cells treated with toluene. Under the proper conditions the incorporation is controlled by the known T4 DNA polymerase and proceeds by a semiconservative mechanism. Both strands of the phage DNA are replicated into a high molecular weight proge...

journal_title：Journal of virology

authors： Miller RC Jr,Taylor DM,MacKay K,Smith HW

更新日期：1973-12-01 00:00:00

abstract：:Murine gammaherpesvirus 68 (MHV68) is a gammaherpesvirus that was first isolated from murid rodents. MHV68 establishes a latent infection in the spleen and other lymphoid organs. Several gammaherpesviruses, including herpesvirus saimiri, human herpesvirus 8, and MHV68, encode proteins with extensive homology to the D-...

journal_title：Journal of virology

authors： Hoge AT,Hendrickson SB,Burns WH

更新日期：2000-08-01 00:00:00

abstract：:A human endogenous retrovirus-like element (HERV), flanked by long terminal repeats of 502 and 495 nucleotides is inserted into the human pleiotrophin (PTN) gene upstream of the open reading frame. Based on its Glu-tRNA primer binding site specificity and the location within the PTN gene, we named this element HERV-E....

journal_title：Journal of virology

authors： Schulte AM,Wellstein A

更新日期：1998-07-01 00:00:00

abstract：:RNA packaging signals (psi) from the 5' ends of murine and avian retroviral genomes have previously been shown to direct encapsidation of heterologous mRNA into the retroviral virion. The avian 5' packaging region has now been further characterized, and we have defined a 270-nucleotide sequence, A psi, which is suffic...

journal_title：Journal of virology

authors： Aronoff R,Hajjar AM,Linial ML

更新日期：1993-01-01 00:00:00

abstract：:The purpose of this study was to gain insights into the regulation of Epstein-Barr virus (EBV) gene transcription during the establishment of viral latency in B cells. During the early stages of EBV infection in B lymphocytes, transcription of six viral nuclear antigens (EBNAs) is initiated from an early promoter (Wp)...

journal_title：Journal of virology

authors： Schlager S,Speck SH,Woisetschläger M

更新日期：1996-06-01 00:00:00

abstract：:Nonsegmented negative-sense RNA viruses (mononegaviruses) control viral gene expression largely through a transcription gradient such that promoter-proximal genes are transcribed more abundantly than downstream genes. For some paramyxoviruses, naturally occurring differences in the levels of efficiency of transcriptio...

journal_title：Journal of virology

authors： Tran KC,Collins PL,Teng MN

更新日期：2004-01-01 00:00:00

abstract：:Using quantitative RNase protection assays, we have monitored the appearance of mRNAs generated during lytic infection of tightly synchronized murine cells by the autonomous parvovirus minute virus of mice. Our results demonstrate that transcripts from the P4 promoter can be detected prior to those from the P39 promot...

journal_title：Journal of virology

authors： Clemens KE,Pintel DJ

更新日期：1988-04-01 00:00:00