Comparative Molecular PCR-RFLP Study of Native Herpes Simplex Virus Type 1 (HSV-1) with KOS Strain

Authors

  • Golamreza Javadi
  • Haleh Rafati
  • Majid sadeghi Zadeh
  • Mozafar Sadeghi Zadeh
  • Nona Abolhassani
Abstract:

Background: Recent research on several DNA fragments covering open reading frames (ORF) 1-37 shows a new genetic marker in ORF 6 which is specific for differentiating wild-type varicella-zoster virus (VZV) strains from Oka varicella vaccine strain. On the other hand, herpes simplex virus (HSV) genome analysis by restriction enzymes is used to differentiate types one and two of the virus and even strains of each type. Previous studies using PCR-sequencing technique have shown that the thymidine kinase (TK) gene of HSV-1 is polymorphic. Methods: In this study, TK gene and DNA binding protein (UL29) gene of HSV-1 were selected. Both genes were analyzed with restriction endonucleases in order to identify a genetic marker for differentiating native strains of HSV-1 from the foreign strain. Three isolates of HSV-1 as well as standard strain of KOS were propagated in Vero cells. Initially, a pair of specific primers for each gene was designed to amplify UL29 and TK genes of these isolates. Subsequently, PCR products of these genes were digested separately with five restriction enzymes and subjected to polyacrylamide gel electrophoresis. Results: Using PCR-RFLP (Restriction fragment length polymorphisms) technique, results indicate that the patterns of restriction endonuclease digestion of UL29 and TK genes of the three isolates show no differences when compared to KOS strain. Conclusion: The genotypes of Iranian isolates are the same as KOS genotype and both genotypes are derived from a common ancestor. Hence, it can be postulated that in the process of random population flow among Iran, Europe and USA, the original KOS strain infected the Iranian population at some point in time. Iran. Biomed. J. 10 (3): 157-161, 2006

Upgrade to premium to download articles

Sign up to access the full text

Already have an account?login

similar resources

comparative molecular pcr-rflp study of native herpes simplex virus type 1 (hsv-1) with kos strain

background: recent research on several dna fragments covering open reading frames (orf) 1-37 shows a new genetic marker in orf 6 which is specific for differentiating wild-type varicella-zoster virus (vzv) strains from oka varicella vaccine strain. on the other hand, herpes simplex virus (hsv) genome analysis by restriction enzymes is used to differentiate types one and two of the virus and eve...

full text

A Preliminary Study on the Molecular Identification of Herpes Simplex Virus Type 1 in Iranian Population

Herpes Simplex Virus Type 1 (HSV-1) is a member of the Herpesviridae family that causes herpetic disease in human. During the last 25-30 years, many investigations have been conducted on pathogenesis and molecular biology of this virus in several countries. In Iran HSV-1 has been isolated from patients and detected using immunological techniques. In this study, we investigated the molecular asp...

full text

Expression and in vitro Characterization of Herpes Simplex Virus 1 (HSV-1) ORF P Protein

Herpes simplex virus 1 (HSV-1) unspliced 8.3 latency associated transcript (LAT), which located in the long repeat sequences, has been shown to contain at least 16 open reading frames (ORF: A-P). One of these ORF, ORF P, maps almost entirely antisense to HSV-1 neurovirulence gene, ICP34.5. Both ORF P and ICP34.5 are located in the long repeat and are antisense overlapping genes. Therefore, in O...

full text

Replication Characteristics of Herpes Simplex Virus Type-1 (HSV-1) Recombinants in 3 Types of Tissue Cultures

A complication in the analysis of the role of ICP34.5 gene in the herpes simplex virus type-1 (HSV-1) lifecycle is the presence of overlapping antisense gene, open reading frame P (ORF P), which is also deleted in HSV-1 ICP34.5 negative mutants. A HSV-1 wild type strain (17+) ICP34.5/ORF P deletion mutant (1716) is totally avirulent in animal models and impaired in a number of in vitro function...

full text

Loop-Mediated Isothermal Amplification (LAMP) for the Rapid Diagnosis of Herpes Simplex Virus Type 1 (HSV-1)

Background and Aims: considering difficulties in usual laboratory methods in detection of viral infections, improved DNA-based diagnostic techniques are more reliable. Loop mediated isothermal amplification method (LAMP) is a nucleic acid amplification method that amplifies DNA using six primers which has been developed to diagnose viruses as a rapid and high efficiency test. In this study, the...

full text

Molecular and biological characterization of a herpes simplex virus type 1 (HSV-1) neuroinvasiveness gene

Pathogenetic studies of herpes simplex virus type 1 (HSV-1) strains ANG and its mouse brain-passaged descendant ANG path revealed no difference in neurovirulence but a significant difference in neuroinvasiveness. Thus, both viruses induced a fatal encephalitis in mice after direct injection into the brain, but only ANG path induced lethal neurologic disease after inoculation on rear footpads. T...

full text

My Resources

Save resource for easier access later

Save to my library Already added to my library

{@ msg_add @}


Journal title

volume 10  issue 3

pages  157- 161

publication date 2006-07

By following a journal you will be notified via email when a new issue of this journal is published.

Keywords

Hosted on Doprax cloud platform doprax.com

copyright © 2015-2023