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The present study was conducted to determine the virulence and cytotoxicity of Aeromonas hydrophila strains isolated from seafood samples collected from 5 major fish markets in Chennai, Tamil Nadu, India. Among 73 A. hydrophila strains isolated from fish and shrimp samples, 86.3% exhibited haemolysis, 78.1% produced slime, 98.63% produced protease and also demonstrated cytotoxicity on Vero cell...
Infection of Vero cells with herpes simplex virus type 1 results in the appearance in soluble extracts of a DNA primase activity. The partially purified enzyme, Mr, approximately 100,000, is identical in resistance to alpha-amanitin, pH profile, Mg2+ dependence, salt sensitivity, and KmATP to the catalytic core of Vero cell mitochondrial RNA polymerase. Moreover, the products synthesized are th...
Rhizomes of Boesenbergia pandurata (Roxb.) Schlecht have been reported to contain active compounds with anticancer properties. This research was carried out to examine anti-proliferative and apoptotic induction against HeLa and Vero cells-line. Dried powder of B. pandurata rhizomes was extracted by a maceration method using 90% ethanol. Cytotoxic assays to determine IC50 and anti-proliferative ...
Megakaryocyte-erythrocyte progenitor (MEP) cells are potential in vivo targets of dengue virus (DENV); the virus has been found associated with megakaryocytes ex vivo and platelets during DENV-induced thrombocytopenia. We report here that DENV serotype 2 (DENV2) propagates well in human nondifferentiated MEP cell lines (Meg01 and K562). In comparison to virus propagated in Vero cells, viruses f...
An anti-idiotypic serum prepared against the combining site (idiotype) of specific anti-diphtheria toxoid antibodies was characterized with respect to its interaction with highly diphtheria toxin-sensitive Vero cells. Although the anti-idiotypic serum protected Vero cells against the cytotoxic action of diphtheria toxin, it did not prevent the binding of 125I-labeled diphtheria toxin to the cel...
Animal cell cultures are widely employed for the production of viral vaccines and for recombinant protein expression. The cell line Vero is a continuous, adherent cell line, which has been recommended by the World Health Organization for the production of human vaccines. For the large-scale production of vaccines, microcarriers, which are microspheres that serve as support for the cells, are be...
One of the greatest causes of loss in the food industry is postharvest diseases of fruits and vegetables (Vero Mendez & Mondino, 1999). According to U.S.A. estimations this loss reaches 20 25% whereas in developing countries the losses are often more severe due to inadequate storage and transportation facilities (Sharma et al., 2009), but loss has generally been considered to be approximately 1...
Canine distemper virus (CDV) infections cause high morbidity and mortality in dogs. Changes the molecular biological characteristics of Korean CDV strain over multiple cell passages have not been reported. We investigated genetic CD1901-100 for use as an inactivated vaccine strain. Vero cells expressing dog nectin-4 gene (Vero/dNectin-4 cells) were used to adapt CD1901, which was passaged 100 t...
The ribonucleotide reductase (RR) 2 gene of the HSV-2 strain G was cloned, sequenced, and expressed in an E. coli cell. The RR2 gene was located on the PstI 2.4 kb fragment, which was cloned and sequenced. The ORF of the gene was 1,011 bp and its termination codon was TAG; also, the CATATAA sequence was present in the promoter of the RR2 gene. A Poly A signal sequence (AATAAA) was found in the ...
Persistent viral infections can render host cells resistant to superinfection with closely related viruses by largely uncharacterized mechanisms. We present evidence for superinfection exclusion in brains of Borna disease virus (BDV)-infected rats and in persistently infected Vero cells, and we suggest that acquired resistance to BDV is due to unbalanced intracellular levels of viral nucleocaps...
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