نتایج جستجو برای: virus replication
تعداد نتایج: 467867 فیلتر نتایج به سال:
Background & Aims: Various antiviral drugs such as amantadine are used to treat influenza. This drug is categorized in group C and few researches have been conducted about its toxic effects on human fetus. In the current study, the pathologic effects of the drug as well as drug efficacy in reducing influenza virus titer in the developing chicken embryo were assessed. <br ...
Recombinant viruses expressing fluorescent or luminescent reporter proteins are used to quantitate and visualize viral replication transmission. Here, we a split NanoLuc luciferase (NLuc) system comprising large LgBiT small HiBiT peptide fragments generate stable rotaviruses (RVs). Reporter RVs NSP1-HiBiT fusion protein were generated by placing an 11 amino acid tag at the C-terminus of intact ...
The pre-mRNA processing strategy of the B19 virus is unique among parvoviruses. B19 virus-generated pre-mRNAs are transcribed from a single promoter and are extensively processed by alternative splicing and alternative polyadenylation to generate 12 transcripts. Blockage of the production of full-length B19 virus transcripts at the internal polyadenylation site [(pA)p] was previously reported t...
Chicken embryo lethal orphan (CELO) virus replication studies in adult hamster kidney and green monkey kidney cell cultures by means of infectivity, cytochemistry, and fluorescent-antibody techniques indicated that replication in hamster kidney cells was limited to the production of neoantigen. Production of virus in green monkey kidney cells was limited but appeared to exceed the production of...
Objective(s): The rotavirus nonstructural protein 4 (NSP4) is responsible for the increase in cytoplasmic calcium concentration through a phospholipase C-dependent and phospholipase C-independent pathways in infected cells. It is shown that increasing of intracellular calcium concentration in rotavirus infected cells is associated with the activation of some members of protein kinases family su...
Murine gammaherpesvirus 68 (gammaHV68 or MHV68) is genetically related to the human gammaherpesviruses Epstein-Barr virus (EBV) and Kaposi's sarcoma-associated herpesvirus (KSHV), providing a useful system for in vivo studies of the virus-host relationship. To begin to address fundamental questions about the mechanisms of the establishment of gammaherpesvirus latency, we previously generated a ...
Virus-induced apoptosis of infected cells can limit both the time and the cellular machinery available for virus replication. Hence, many viruses have evolved strategies to specifically inhibit apoptosis. However, Aleutian mink disease parvovirus (ADV) is the first example of a DNA virus that not only induces apoptosis but also utilizes caspase activity to facilitate virus replication. To deter...
Cellular topoisomerase II is specifically inactivated by the drug ICRF-193. This compound turns topoisomerase II into a closed clamp that is unable to cleave DNA. We have investigated the effects of this inhibitor on the replication of herpes simplex virus type 1. We show that ICRF-193 at low multiplicities of infection dramatically inhibits viral DNA synthesis and the production of infectious ...
The cytoplasmic replication of positive-sense RNA viruses is associated with a dramatic rearrangement of host cellular membranes. These virus-induced changes result in the induction of vesicular structures that envelop the virus replication complex (RC). In this study, we have extended our previous observations on the intracellular location of West Nile virus strain Kunjin virus (WNV(KUN)) to s...
Conflicting reports exist regarding the requirement for virus replication in interferon (IFN) induction by paramyxoviruses. Our previous work has demonstrated that pathogen-associated molecular patterns capable of activating the IFN-induction cascade are not normally generated during virus replication, but are associated instead with the presence of defective interfering (DI) viruses. We demons...
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