نتایج جستجو برای: sf9 cells
تعداد نتایج: 1383619 فیلتر نتایج به سال:
A transfer vector was constructed in which the neomycin resistance (neo) gene was under the control of a copy of Autographa californica nuclear polyhedrosis virus (AcMNPV) IE1 gene promoter at the p10 locus. After cotransfection of Spodoptera frugiperda (Sf9) cells with the transfer vector and infectious AcMNPV DNA, the recombinant virus-containing neo gene was selected by serial passage of the...
The expression of microtubule-associated protein 2 (MAP2), developmentally regulated by alternative splicing, coincides with neurite outgrowth. MAP2 proteins contain a microtubule-binding domain (C-terminal) that promotes microtubule assembly and a poorly characterized domain, the projection domain (N-terminal), extending at the surface of microtubules. MAP2b differs from MAP2c by an additional...
Full-length cDNA clones of the nucleoprotein (NP) genes of influenza A/Ann Arbor/6/60 and B/Ann Arbor/1/86 viruses were constructed from virion RNA and subsequently expressed in Spodoptera frugiperda (Sf9) cells using the baculovirus vector, Autographa californica nuclear polyhedrosis virus. Western blot analysis of lysates prepared from Sf9 cells infected with the recombinant viruses confirmed...
In order to study the role of NF-H in a neurofilament network formation in neurons, we coexpressed NF-H with neurofilament protein-L (NF-L) in Sf9 cells using the baculovirus expression system. Electron microscopy observations revealed that parallel arrays of 10 nm filaments with frequent crossbridges between adjacent filaments were formed in the cytoplasm of Sf9 cells infected with the recombi...
To replace the in vivo production of baculovirus-based biopesticides with a more convenient in vitro produced product, the limitations imposed by in vitro production have to be solved. One of the main problems is the low titer of HearNPV budded virions (BV) in vitro as the use of low BV titer stocks can result in non-homogenous infections resulting in multiple virus replication cycles during sc...
We constructed two recombinant Autographa californica nuclear polyhedrosis baculoviruses. Spodoptera frugiperda (Sf9) cells containing these constructs produce carboxy-terminally truncated envelope E proteins representing dengue (DEN) virus serotypes 2 and 3. The two recombinant proteins contained their homologous signal sequences at the N terminus and were truncated by 71 and 74 amino acids at...
Insect ovarian Sf9 cells extend processes with complex morphologies when infected with a recombinant baculovirus encoding the catalytic subunit of protein kinase A. Within the shafts of the processes are abundant microtubules, which, in contrast to those in Sf9 cells expressing the microtubule-associated protein tau, are generally not organized into parallel bundles. During infection the late v...
We have expressed an A-type lamin (Xenopus lamin A), a probable A-type lamin (Drosophila lamin C), two B-type lamins (Xenopus lamin LI, Drosophila lamin Dmo), and two mutants of Xenopus lamin A in Sf9 cells. All proteins were synthesized at high levels resulting in formation of paracrystals with an axial repeat of 18.5-20.0 nm by A-type lamins; in contrast B-type lamins assembled into aggregate...
Conventional non-viral gene transfer uses bacterial plasmid DNA containing antibiotic resistance genes, cis-acting bacterial sequence elements, and prokaryotic methylation patterns that may adversely affect transgene expression and vector stability in vivo. Here, we describe novel replicative forms of a eukaryotic vector DNA that consist solely of an expression cassette flanked by adeno-associa...
conclusions the results of the present study showed that the baculovirus expression system (sf9 cells) was able to express truncated orf2 and truncated orf2-nsp4 proteins as a potential candidate vaccine. background the hepatitis e virus (hev) accounts for hepatitis e infection with relatively high mortality rate in pregnant women that can lead to fulminant hepatitis. the baculovirus expression...
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