Lysogenic conversion in Staphylococcus aureus to leucocidin production.

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：:Recent findings suggest that most sexual transmission of human immunodeficiency virus type 1 (HIV-1) occurs during the acute phase of infection when viral replication is most intense. Here, we show that vaccine-elicited cellular immune responses can significantly reduce simian immunodeficiency virus levels in the seme...

journal_title：Journal of virology

authors： Whitney JB,Luedemann C,Hraber P,Rao SS,Mascola JR,Nabel GJ,Letvin NL

更新日期：2009-10-01 00:00:00

abstract：:The classical swine fever virus (CSFV) live attenuated vaccine C-strain is adaptive to rabbits and attenuated in pigs, in contrast with the highly virulent CSFV Shimen strain. Previously, we demonstrated that P108 and T109 on the E2 glycoprotein (E2P108-T109) in domain I (E2DomainI) rather than R132, S133, and D191 in...

journal_title：Journal of virology

authors： Xie L,Han Y,Ma Y,Yuan M,Li W,Li LF,Li M,Sun Y,Luo Y,Li S,Hu S,Li Y,Qiu HJ

更新日期：2020-08-17 00:00:00

abstract：:Murine leukemia viruses isolated from radiation-induced BALB/c leukemias were characterized with respect to viral proteins and RNA. Analysis by sodium dodecyl sulfate-polyacrylamide gel electrophoresis of the viral structural proteins revealed that for p12, p15, p30, and gp70, three of four electrophoretic variants of...

journal_title：Journal of virology

authors： Ellis RW,Hopkins N,Fleissner E

更新日期：1980-02-01 00:00:00

abstract：:The release of the ribonucleic acid (RNA)-containing phage MS2 from Escherichia coli is accompanied by cellular lysis at 37 C, whereas at 30 C phage are released from intact cells. Chloramphenicol or rifampin prevents the release of progeny phage particles at both temperatures. Neither drug causes an immediate cessati...

journal_title：Journal of virology

authors： Engelberg H,Soudry E

更新日期：1971-09-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1)-infected macrophages damage mature neurons in the brain, although their effect on neuronal development has not been clarified. In this study, we show that HIV-1-infected macrophages produce factors that impair the development of neuronal precursor cells and that soluble vira...

journal_title：Journal of virology

authors： Kitayama H,Miura Y,Ando Y,Hoshino S,Ishizaka Y,Koyanagi Y

更新日期：2008-03-01 00:00:00

abstract：:We isolated, purified, and characterized the hemagglutinin-neuraminidase (HN) of human parainfluenza virus type 1, with the ultimate goal of producing crystals suitable for three-dimensional X-ray structure analysis. Pronase was used to cleave the globular head of the HN molecule directly from virus particles, forming...

journal_title：Journal of virology

authors： Takimoto T,Laver WG,Murti KG,Portner A

更新日期：1992-12-01 00:00:00

abstract：:cis-Acting elements in the viral genome RNA (vRNA) are essential for the translation, replication, and/or encapsidation of RNA viruses. In this study, a novel conserved cis-acting element was identified in the capsid-coding region of mosquito-borne flavivirus. The downstream of 5' cyclization sequence (5'CS) pseudokno...

journal_title：Journal of virology

authors： Liu ZY,Li XF,Jiang T,Deng YQ,Zhao H,Wang HJ,Ye Q,Zhu SY,Qiu Y,Zhou X,Qin ED,Qin CF

更新日期：2013-06-01 00:00:00

abstract：:Human T-cell lymphotropic virus type 1 (HTLV-1) is the etiological agent involved in the disease HTLV-1-associated myelopathy, or tropical spastic paraparesis (HAM/TSP). The pathogenesis of HAM/TSP is poorly understood, but it is probable that viral infection has an indirect, deleterious effect on neural function. In ...

journal_title：Journal of virology

authors： Akaoka H,Hardin-Pouzet H,Bernard A,Verrier B,Belin MF,Giraudon P

更新日期：1996-12-01 00:00:00

abstract：:When ts7, a temperature-sensitive (ts) mutant of influenza B/Kanagawa/73 virus, infected MDCK cells at the nonpermissive temperature (37.5 degrees C), infectious virus was produced at very low levels compared with the yield at the permissive temperature (32 degrees C) and hemagglutinating activity and enzymatic activi...

journal_title：Journal of virology

authors： Yamamoto-Goshima F,Maeno K,Morishita T,Ueda M,Fujita Y,Nakajima K,Yoshii S

更新日期：1994-02-01 00:00:00

abstract：:The genome of the simian virus 40 (SV40) temperature-sensitive (ts) mutant tsD202 rescued by passage on transformed permissive monkey lines (see accompanying paper [Y. Gluzman et al., J. Virol. 24:534-540, 1977]) was analyzed by restriction endonuclease cleavage mapping to obtain biochemical evidence that the rescue o...

journal_title：Journal of virology

authors： Vogel T,Gluzman Y,Winocour E

更新日期：1977-11-01 00:00:00

abstract：:Resistance to ectromelia (mousepox) virus-induced mortality was examined in crosses between susceptible DBA/2J, A/J, and BALB/cByJ mice and resistant C57BL/6J and AKR/J mice. Depending on the cross, resistance to mousepox virus was shown to be determined by one or more independently assorting autosomal loci with domin...

journal_title：Journal of virology

authors： Wallace GD,Buller RM,Morse HC 3rd

更新日期：1985-09-01 00:00:00

abstract：:Influenza virus has a set of ribonucleoproteins (RNPs) consisting of viral RNAs, influenza virus polymerase subunits, and nucleoprotein. Intracellular reconstitution of the whole set of RNPs via plasmid transfection results in the generation of influenza virus. By the use of reverse genetics and dual promoters, we con...

journal_title：Journal of virology

authors： Zhang X,Kong W,Ashraf S,Curtiss R 3rd

更新日期：2009-09-01 00:00:00

abstract：:The Sydney Blood Bank Cohort (SBBC) consists of eight blood transfusion recipients infected with nef-attenuated human immunodeficiency virus type 1 (HIV-1) acquired from a single donor. Here, we show that viral phenotypes and antibody responses differ considerably between individual cohort members, despite the single ...

journal_title：Journal of virology

authors： Verity EE,Zotos D,Wilson K,Chatfield C,Lawson VA,Dwyer DE,Cunningham A,Learmont J,Dyer W,Sullivan J,Churchill M,Wesselingh SL,Gabuzda D,Gorry PR,McPhee DA

更新日期：2007-09-01 00:00:00

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

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

abstract：:BCX 2798 (4-azido-5-isobutyrylamino-2,3-didehydro-2,3,4,5-tetradeoxy-d-glycero-d-galacto-2-nonulopyranosic acid) effectively inhibited the activities of the hemagglutinin-neuraminidase (HN) of human parainfluenza viruses (hPIV) in vitro and protected mice from lethal infection with a recombinant Sendai virus whose HN ...

journal_title：Journal of virology

authors： Alymova IV,Taylor G,Mishin VP,Watanabe M,Murti KG,Boyd K,Chand P,Babu YS,Portner A

更新日期：2008-09-01 00:00:00

abstract：:The isolation and some properties of a virulent bacteriophage of Salmonella typhimurium, MB78, which is morphologically, serologically, and physiologically unrelated to P22, are reported. The phage has a noncontractile long tail with partite ends. It cannot multiply in minimal medium in the presence of citrate. MB78-i...

journal_title：Journal of virology

authors： Joshi A,Siddiqi JZ,Rao GR,Chakravorty M

更新日期：1982-03-01 00:00:00

abstract：:The bluetongue virus (BTV) minor protein VP4, with molecular mass of 76 kDa, is one of the seven structural proteins and is located within the inner capsid of the virion. The protein has a putative leucine zipper near the carboxy terminus of the protein. In this study, we have investigated the functional activity of t...

journal_title：Journal of virology

authors： Ramadevi N,Rodriguez J,Roy P

更新日期：1998-04-01 00:00:00

abstract：:A soluble system was developed that could support DNA replication in simian virus 40 (SV40) chromosomes. DNA synthesis in this system required the presence of purified SV40 large tumor antigen, SV40 chromosomes prepared from virus-infected monkey cells, a crude extract from HeLa cells, and several low-molecular-weight...

journal_title：Journal of virology

authors： Sugasawa K,Murakami Y,Miyamoto N,Hanaoka F,Ui M

更新日期：1990-10-01 00:00:00

abstract：:In clinical trials, HIV-1 broadly neutralizing antibodies (bnAbs) effectively lower plasma viremia and delay virus reemergence. The presence of less neutralization-susceptible strains prior to treatment decreases the efficacy of these antibody-based treatments, but neutralization sensitivity often cannot be predicted ...

journal_title：Journal of virology

authors： Registre L,Moreau Y,Ataca ST,Pulukuri S,Henrich TJ,Lin N,Sagar M

更新日期：2020-01-06 00:00:00

abstract：:The objective of this investigation was to examine by electron microscopy the replicative ribonucleoprotein (RNP) structures synthesized in vesicular stomatitis virus-infected HeLa cells. Pulse-labeled in vivo products of vesicular stomatitis virus replication and transcription can be separated by centrifugation in Re...

journal_title：Journal of virology

authors： Naeve CW,Summers DF

更新日期：1980-06-01 00:00:00

abstract：UNLABELLED:Major histocompatibility complex class II (MHC-II) molecules play a central role in adaptive antiviral immunity by presenting viral peptides to CD4(+) T cells. Due to their key role in adaptive immunity, many viruses, including Kaposi's sarcoma-associated herpesvirus (KSHV), have evolved multiple strategies ...

journal_title：Journal of virology

authors： Thakker S,Purushothaman P,Gupta N,Challa S,Cai Q,Verma SC

更新日期：2015-05-01 00:00:00

abstract：:Interleukin-15 (IL-15), natural killer (NK) cells, and NK T (NKT) cells, components of the innate immune system, are known to contribute to defense against pathogens, including viruses. Here we report that IL-15(-/-) (NK(-) and NKT(-/+)) mice and RAG-2(-/-)/gamma(c)(-/-) (NK(-) and NKT(-)) mice that lack all lymphoid ...

journal_title：Journal of virology

authors： Ashkar AA,Rosenthal KL

更新日期：2003-09-01 00:00:00

abstract：:Noroviruses account for 96% of viral gastroenteritis cases worldwide, with GII.4 strains responsible >80% of norovirus outbreaks. Histo-blood group antigens (HBGAs) are norovirus binding ligands, and antigenic and preferential HBGA binding profiles vary over time as new GII.4 strains emerge. The capsid P2 subdomain fa...

journal_title：Journal of virology

authors： Debbink K,Donaldson EF,Lindesmith LC,Baric RS

更新日期：2012-01-01 00:00:00

abstract：:The human airway epithelium (HAE) represents the entry port of many human respiratory viruses, including human coronaviruses (HCoVs). Nowadays, four HCoVs, HCoV-229E, HCoV-OC43, HCoV-HKU1, and HCoV-NL63, are known to be circulating worldwide, causing upper and lower respiratory tract infections in nonhospitalized and ...

journal_title：Journal of virology

authors： Dijkman R,Jebbink MF,Koekkoek SM,Deijs M,Jónsdóttir HR,Molenkamp R,Ieven M,Goossens H,Thiel V,van der Hoek L

更新日期：2013-06-01 00:00:00

abstract：:Cytoplasmic virus-specific RNA and polyribosomes from a chronically infected feline thymus tumor cell line, F-422, were analyzed by using in vitro-synthesized feline leukemia virus (Rickard strain) (R-FeLV) complementary DNA (cDNA) probe. By hybridization kinetics analysis, cytoplasmic, polyribosomat, and nuclear RNAs...

journal_title：Journal of virology

authors： Conely AJ,Velicer LF

更新日期：1978-03-01 00:00:00

abstract：:The effect DNA repair might have on the integration of exogenous proviral DNA into host cell DNA was investigated by comparing the efficiency of proviral DNA integration in normal chicken embryonic fibroblasts and in chicken embryonic fibroblasts treated with UV or 4-nitroquinoline-1-oxide. The cells were treated with...

journal_title：Journal of virology

authors： Tsuruo T,Baluda MA

更新日期：1977-09-01 00:00:00

abstract：:Kinetic curves for neutralization of adenovirus type 2 with anti-hexon serum revealed no lag periods even when the serum was highly diluted or when the temperature was lowered to 4 degrees C, thus indicating a single-hit mechanism. Multiplicity curves determined with anti-hexon serum displayed a linear correlation bet...

journal_title：Journal of virology

authors： Wohlfart C

更新日期：1988-07-01 00:00:00

abstract：:Human herpesviruses encode posttranscriptional activators that are believed to up-regulate viral replication by facilitating early and late gene expression. We have reported previously that the Epstein-Barr virus protein EB2 (also called M or SM) promotes nuclear export of RNAs that are poor substrates for spliceosome...

journal_title：Journal of virology

authors： Farjot G,Buisson M,Duc Dodon M,Gazzolo L,Sergeant A,Mikaelian I

更新日期：2000-07-01 00:00:00

abstract：:The human immunodeficiency virus type 1 (HIV-1)-encoded RNA-binding protein Tat is known to play an essential role in viral gene expression. In the search for novel compounds to inhibit Tat transactivity, one coumarin derivative, BPRHIV001, was identified, with a 50% effective concentration (EC(50)) against HIV-1 at 1...

journal_title：Journal of virology

authors： Lin PH,Ke YY,Su CT,Shiao HY,Hsieh HP,Chao YK,Lee CN,Kao CL,Chao YS,Chang SY

更新日期：2011-09-01 00:00:00