Nuclease mechanism of the avian retrovirus pp32 endonuclease.

abstract：:An R638A mutation of the polymerase acidic protein (PA) subunit of the RNA polymerase of influenza A/WSN/33 virus results in severe attenuation of viral growth in cell culture by promoting the synthesis of defective interfering RNAs. We propose that R638A is an "elongation" mutant that destabilizes PA-RNA template int...

journal_title：Journal of virology

authors： Fodor E,Mingay LJ,Crow M,Deng T,Brownlee GG

更新日期：2003-04-01 00:00:00

abstract：:The active site serine of the acetylesterase of influenza C virus was localized to amino acid 71 of the hemagglutinin-esterase protein by affinity labeling with 3H-labeled diisopropylfluorophosphate. This serine and the adjacent amino acids (Phe-Gly-Asp-Ser) are part of a consensus sequence motif found in serine hydro...

journal_title：Journal of virology

authors： Vlasak R,Muster T,Lauro AM,Powers JC,Palese P

更新日期：1989-05-01 00:00:00

abstract：:Infection of mice with Moloney murine leukemia virus (M-MuLV) as well as with a nonpathogenic variant, Mo+PyF101 M-MuLV, was studied. Mo+PyF101 M-MuLV differs from wild-type M-MuLV by the addition of enhancer sequences from polyomavirus in the long terminal repeat. Previous experiments indicated that Mo+PyF101 establi...

journal_title：Journal of virology

authors： Davis BR,Chandy KG,Brightman BK,Gupta S,Fan H

更新日期：1986-11-01 00:00:00

abstract：:Transcription of herpesviral late genes is stimulated after the onset of viral DNA replication but otherwise restricted. Late gene expression in gammaherpesviruses requires the coordination of six early viral proteins, termed viral transactivation factors (vTFs). Here, we mapped the organization of this protein comple...

journal_title：Journal of virology

authors： Davis ZH,Hesser CR,Park J,Glaunsinger BA

更新日期：2015-10-14 00:00:00

abstract：:Proteomic identification of human papillomavirus type 16 (HPV16) E6-interacting proteins revealed several proteins involved in ubiquitin-mediated proteolysis. In addition to the well-characterized E6AP ubiquitin-protein ligase, a second HECT domain protein (HERC2) and a deubiquitylating enzyme (USP15) were identified ...

journal_title：Journal of virology

authors： Vos RM,Altreuter J,White EA,Howley PM

更新日期：2009-09-01 00:00:00

abstract：:The Birnaviridae family, responsible for major economic losses to poultry and aquaculture, is composed of nonenveloped viruses with a segmented double-stranded RNA (dsRNA) genome that replicate in discrete cytoplasmic virus factories (VFs). Reassortment is common; however, the underlying mechanism remains unknown give...

journal_title：Journal of virology

authors： Campbell EA,Reddy VRAP,Gray AG,Wells J,Simpson J,Skinner MA,Hawes PC,Broadbent AJ

更新日期：2020-06-16 00:00:00

abstract：:Physiological microenvironments such as blood, seminal plasma, mucosal secretions, or lymphatic fluids may influence the biology of the virus-host cell and immune interactions for human immunodeficiency virus type 1 (HIV-1). Relative to media, physiological levels of human plasma were found to enhance the infectivity ...

journal_title：Journal of virology

authors： Wu SC,Spouge JL,Conley SR,Tsai WP,Merges MJ,Nara PL

更新日期：1995-10-01 00:00:00

abstract：:Long-term ovine fibroblast cultures contain replicative-competent lentiviruses in a latent form. This in vitro phenomenon, never described previously for lentiviruses, was clearly demonstrated by activating the expression of latent viruses with various inducing cell treatments, some of which were efficient in inducing...

journal_title：Journal of virology

authors： Barban V,Quérat G,Sauze N,Filippi P,Vigne R,Russo P,Vitu C

更新日期：1984-11-01 00:00:00

abstract：UNLABELLED:The extreme stability of the latent HIV-1 reservoir in the CD4(+) memory T cell population prevents viral eradication with current antiretroviral therapy. It has been demonstrated that homeostatic T cell proliferation and clonal expansion of latently infected T cells due to viral integration into specific ge...

journal_title：Journal of virology

authors： Seu L,Sabbaj S,Duverger A,Wagner F,Anderson JC,Davies E,Wolschendorf F,Willey CD,Saag MS,Goepfert P,Kutsch O

更新日期：2015-07-01 00:00:00

abstract：:The T-helper cell response to the internal proteins of rabies virus was investigated. The rabies virus nucleoprotein was shown to be a major target antigen for T-helper cells that cross-react between rabies and rabies-related viruses. T-helper cells were assayed in vitro by testing virus-induced lymphocytes for lympho...

journal_title：Journal of virology

authors： Ertl HC,Dietzschold B,Gore M,Otvos L Jr,Larson JK,Wunner WH,Koprowski H

更新日期：1989-07-01 00:00:00

abstract：:Resistance or susceptibility of various mouse strains to central nervous system disease caused by different strains of coronavirus is well known. Data from the present study draw attention to an additional, genetically determined mechanism controlling CV infections. The resistance to A59 and JHM virus (JHMV) associate...

journal_title：Journal of virology

authors： Wilson GA,Dales S

更新日期：1988-09-01 00:00:00

abstract：:The emergence of drug resistance-conferring mutations can severely compromise the success of chemotherapy directed against human immunodeficiency virus type 1 (HIV-1). The M184V and/or L74V mutation in the reverse transcriptase (RT) gene are frequently found in viral isolates from patients treated with the nucleoside ...

journal_title：Journal of virology

authors： Diallo K,Marchand B,Wei X,Cellai L,Götte M,Wainberg MA

更新日期：2003-08-01 00:00:00

abstract：:Adenovirus deletion mutants were studied to examine the influence of the 5' untranslated sequence on the translation of early region 1A mRNAs. Alterations of the 5' untranslated sequence, including complete deletion of the wild-type 5' untranslated sequence, did not significantly affect the rate of translation. ...

journal_title：Journal of virology

authors： Spindler KR,Berk AJ

更新日期：1984-09-01 00:00:00

abstract：:When influenza virus monoclonal antibody-resistant (mar) mutants are selected by incubation in vitro with excess antibody, 90 to 99% of the mutants are not detectable. This observation may be explained by encapsidation of mar mutant RNAs within phenotypically wild-type envelopes. This phenotypic hiding can be revealed...

journal_title：Journal of virology

authors： Valcárcel J,Ortín J

更新日期：1989-09-01 00:00:00

abstract：:Hepatitis E virus (HEV) is a common cause of acute viral hepatitis worldwide. Most HEV infections are asymptomatic, but immunocompromised patients infected with HEV genotype 3 (HEV3), HEV4, or HEV7 may develop chronic infections. The HEV particles in stools are naked (nHEV), while those in the serum and culture supern...

journal_title：Journal of virology

authors： Capelli N,Marion O,Dubois M,Allart S,Bertrand-Michel J,Lhomme S,Abravanel F,Izopet J,Chapuy-Regaud S

更新日期：2019-02-05 00:00:00

abstract：:The simian virus 40 (SV40) large tumor antigen (Tag) is a virus-encoded oncoprotein which is the target of a strong cytotoxic T-lymphocyte (CTL) response. Three immunodominant H-2(b)-restricted epitopes, designated epitopes I, II/III, and IV, have been defined. We investigated whether induction of CTLs directed agains...

journal_title：Journal of virology

authors： Schell TD,Mylin LM,Georgoff I,Teresky AK,Levine AJ,Tevethia SS

更新日期：1999-07-01 00:00:00

abstract：:Reovirus attachment protein σ1 engages glycan receptors and junctional adhesion molecule-A (JAM-A) and is thought to undergo a conformational change during the proteolytic disassembly of virions to infectious subvirion particles (ISVPs) that accompanies cell entry. The σ1 protein is also the primary target of neutrali...

journal_title：Journal of virology

authors： Dietrich MH,Ogden KM,Katen SP,Reiss K,Sutherland DM,Carnahan RH,Goff M,Cooper T,Dermody TS,Stehle T

更新日期：2017-01-31 00:00:00

abstract：:Infectious bursal disease (IBD) is an acute, highly contagious, and immunosuppressive avian disease caused by IBD virus (IBDV). Although IBDV-induced host cell apoptosis has been established, the underlying molecular mechanism is still unclear. We report here that IBDV viral protein 5 (VP5) is a major apoptosis induce...

journal_title：Journal of virology

authors： Li Z,Wang Y,Xue Y,Li X,Cao H,Zheng SJ

更新日期：2012-02-01 00:00:00

abstract：:Adenovirus class B (Ad3 and Ad7) and class C (Ad1, Ad5, and Ad6) late r-strand mRNA's were found to have segmented 5' leaders. These leaders were very similar among serotype within a class but differed in sequence from the leaders on late mRNA's of a different class. However, the leader components of class B viruses m...

journal_title：Journal of virology

authors： Kilpatrick BA,Gelinas RE,Broker TR,Chow LT

更新日期：1979-06-01 00:00:00

abstract：:The ability of HIV-1 to establish a latent infection presents a barrier to curing HIV. The best-studied reservoir of latent virus in vivo is resting memory CD4(+) T cells, but it has recently been shown that CD34(+) hematopoietic progenitor cells (HPCs) can also become latently infected by HIV-1 in vitro and in vivo. ...

journal_title：Journal of virology

authors： McNamara LA,Ganesh JA,Collins KL

更新日期：2012-09-01 00:00:00

abstract：:The major phosphoprotein common to woolly monkey sarcoma virus, gibbon ape lymphosarcoma virus, and type C viruses of the lower mammalian species (mouse, rat, cat), with the exception of the endogenous cat virus (RD-114), is the polypeptide of about 12,000 molecular weight. The protein-phosphate bond in this polypepti...

journal_title：Journal of virology

authors： Pal BK,McAllister RM,Gardner MB,Roy-Burman P

更新日期：1975-07-01 00:00:00

abstract：UNLABELLED:PB1-F2 protein, the 11th influenza A virus (IAV) protein, is considered to play an important role in primary influenza virus infection and postinfluenza secondary bacterial pneumonia in mice. The functional role of PB1-F2 has been reported to be a strain-specific and host-specific phenomenon. Its precise con...

journal_title：Journal of virology

authors： Deventhiran J,Kumar SR,Raghunath S,Leroith T,Elankumaran S

更新日期：2015-10-14 00:00:00

abstract：:Adeno-associated virus (AAV) codes for four related nonstructural Rep proteins. AAV both replicates and assembles in the nucleus and requires coinfection with a helper virus, either adenovirus (Ad) or herpesvirus, for a productive infection. Like other more complex DNA viruses, it is believed that AAV interacts or mod...

journal_title：Journal of virology

authors： Nash K,Chen W,Salganik M,Muzyczka N

更新日期：2009-01-01 00:00:00

abstract：:Influenza A virus NS2 protein, also called nuclear export protein (NEP), is crucial for the nuclear export of viral ribonucleoproteins. However, the molecular mechanisms of NEP mediation in this process remain incompletely understood. A leucine-rich nuclear export signal (NES2) in NEP, located at the predicted N2 heli...

journal_title：Journal of virology

authors： Huang S,Chen J,Chen Q,Wang H,Yao Y,Chen J,Chen Z

更新日期：2013-01-01 00:00:00

abstract：:Evidence is presented by use of radiolabeling and pancreatic and T1 ribonuclease digestion that some of the ribonucleic acid specified by herpes simplex virus contains polyadenylic acid sequences. The polyadenylic sequences are not transcribed from viral DNA. ...

journal_title：Journal of virology

authors： Bachenheimer SL,Roizman B

更新日期：1972-10-01 00:00:00

abstract：:A study of virus-specific protein synthesis in infectious pancreatic necrosis virus-infected RTG-2 cells was undertaken to find a relationship between the coding capacity of virus genome (two segments of double-stranded RNA of 2.5 X10(6) and 2.3 X 10(6) molecular weight) and the sizes and relative amounts of polypepti...

journal_title：Journal of virology

authors： Dobos P

更新日期：1977-01-01 00:00:00

abstract：:We have investigated the ability of human immunodeficiency virus type 1 (HIV-1) and HIV-2 isolates to infect and replicate in primary human macrophages. Monocytes from blood donors were allowed to differentiate into macrophages by culture in the presence of autologous lymphocytes and human serum for 5 days before infe...

journal_title：Journal of virology

authors： Valentin A,Albert J,Fenyö EM,Asjö B

更新日期：1994-10-01 00:00:00

abstract：:High-risk human papillomaviruses (HPVs), including HPV-16 and HPV-18, are the causative agents of cervical carcinomas and are linked to several other tumors of the anogenital and oropharyngeal regions. The majority of HPV-induced tumors contain integrated copies of the normally episomal HPV genome that invariably reta...

journal_title：Journal of virology

authors： Kennedy EM,Kornepati AV,Goldstein M,Bogerd HP,Poling BC,Whisnant AW,Kastan MB,Cullen BR

更新日期：2014-10-01 00:00:00

abstract：:ICP0, an alpha (immediate-early) protein of herpes simplex virus 1, performs at least two key functions. It blocks inhibition of viral-gene expression by interferon, a function dependent on the degradation of the ND10 components PML and SP100 by the ubiquitin ligase expressed by the RING finger (RF), and it blocks sil...

journal_title：Journal of virology

authors： Gu H,Roizman B

更新日期：2009-01-01 00:00:00

abstract：:Epstein-Barr virus (EBV) nuclear antigen 1 (EBNA1) is indispensable for viral DNA replication and episome maintenance in latency. Four promoters, Cp, Wp, Qp, and Fp, are known to drive EBNA1 expression. Here we show that the TATA-less Qp is constitutively active in a variety of EBV-positive [EBV(+)] tumors and cell li...

journal_title：Journal of virology

authors： Tao Q,Robertson KD,Manns A,Hildesheim A,Ambinder RF

更新日期：1998-09-01 00:00:00