نتایج جستجو برای: insect cells
تعداد نتایج: 1417543 فیلتر نتایج به سال:
Herbivore selection of plant hosts and plant responses to insect colonization have been subjects of intense investigations. A growing body of evidence suggests that, for successful colonization to occur, (effector/virulence) proteins in insect saliva must modulate plant defense responses to the benefit of the insect. A range of insect saliva proteins that modulate plant defense responses have b...
The African swine fever virus gene A179L has been shown to be a functional member of the ced9/bcl-2 family of apoptosis inhibitors in mammalian cell lines. In this work we have expressed the A179L gene product (p21) under the control of the baculovirus polyhedrin promoter using a baculovirus system. Expression of the A179L gene neither altered the baculovirus replication phenotype nor delayed t...
We here report the development and viral infection of a Diaprepes root weevil cell culture. Embryonic tissues of the root weevil were used to establish cell cultures for use in screening viral pathogens as potential biological control agents. Tissues were seeded into a prepared solution of insect medium and kept at a temperature of 24 degrees C. The cell culture had primarily fibroblast-like mo...
Human gastric lipase (HGL) cDNA was synthesized by RT-PCR amplification and cloned into the PVL 1392 baculovirus transfer vector. The recombinant transfer vector was cotransfected with a modified baculovirus DNA (Baculogold) which contains a lethal deletion. Cotransfection of baculovirus DNA with the recombinant transfer vector rescues the lethal deletion of this virus DNA and reconstitutes via...
The aim of the present study was to determine the preventive effect of insect tea against reserpine-induced gastric ulcers in ICR mice. A high (800 mg/kg) dose of insect tea reduced the serum levels of the proinflammatory cytokines interleukin (IL)-6, IL-12, tumor necrosis factor (TNF)-α and interferon (IFN)-γ compared with those in mice treated with a low (400 mg/kg) dose and the control mice....
UNLABELLED Bacillus thuringiensis (Bt) is armed to complete a full cycle in its insect host. During infection, virulence factors are expressed under the control of the quorum sensor PlcR to kill the host. After the host's death, the quorum sensor NprR controls a necrotrophic lifestyle, allowing the vegetative cells to use the insect cadaver as a bioincubator and to survive. Only a part of the B...
In recent years, the number of recombinant proteins used for therapeutic applications and industry has increased dramatically. Recombinant proteins are produced in many host organisms (microbial, insect, plant and mammalian cells). There are many factors to consider when choosing the optimal system for protein expression and purification including the mass, purity or solubility of the recombina...
poly (ADP-ribose) polymerase catalytic domain. Braz. J. Med. Biol. Res. 30:923-928. 14.Mortensen, C. 1995. Clonagem e expressão de hormonios peptídicos humanos em vetores de expressão de baculovirus. Master’s degree dissertation. University of São Paulo, Chemistry Institute. 15.Moscardi, F. 1989. Use of viruses for pest control in Brazil: the case of the nuclear polyhedrosis virus of the soybea...
In the past decade, there has been an upsurge in the number of newly described insect-specific flaviviruses isolated pan-globally. We recently described the isolation of a novel flavivirus (tentatively designated 'Nhumirim virus'; NHUV) that represents an example of a unique subset of apparently insect-specific viruses that phylogenetically affiliate with dual-host mosquito-borne flaviviruses d...
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