Sequence-based methods for identifying epidemiologically linked herpes simplex virus type 2 strains.
نویسندگان
چکیده
Traditional methods for confirming the identity of herpes simplex virus (HSV) isolates use restriction fragment length polymorphism (RFLP). However, RFLP is less amenable to high-throughput analyses of many samples, and the extent to which small differences in RFLP patterns distinguish between different viral strains remains unclear. Viral HSV type 2 (HSV-2) DNA isolates from 14 persons experiencing a primary HSV-2 infection and from their sexual partners were analyzed by RFLP and heteroduplex mobility assays. We also compared the HSV-2 sequences from seven regions, including noncoding regions between UL19 and UL20, UL24 and UL25, UL37 and UL38, and UL41 and UL42 and coding segments of the gC, gB, and gG genes. Although the resulting RFLP patterns of the couples were almost identical, minor banding differences existed between the source and susceptible partners in five couples. Heteroduplex mobility assays were unable to distinguish between unrelated strains. Overall, 22 sites of sequence variation were found in 1,482 bp of analyzed sequence. The DNA sequences differentiated between all unrelated infections, and epidemiologically related isolates had identical sequences in all but two pairs. Our results suggest that a multilocus assay based on several DNA sequences has the potential to be an informative tool for identifying epidemiologically related HSV-2 strains.
منابع مشابه
Sero-epidemiologic investigation of Herpes Simplex virus type II in Gorgan, 2005
Abstract Background and objectives: Herpes simplex virus type two (HSV-2) infections are mostly considered as a sexually transmitted disease. It causes genital herpes, newborn herpes non-pyrogenic meningitis and may act as an underlying factor for HIV infection. This study was conducted to determine the sero-epidemiologic prevalence of herpes simplex virus type two in cases referred to ten clin...
متن کاملSeroepidemiological Study of Herpes Simplex Virus Type 2 (HSV-2) Antibody in Shiraz, Iran
Background: Herpes Simplex Virus (HSV) Type 2 is a widespread human infectious agent responsible for persistent and latent infections. Objectives: To estimate the regional seroprevalence of anti HSV-2 antibody in Shiraz, Iran and to investigate the possible correlation of seropositivity with malignant changes in subjects’ Papanicolaou (Pap) tests. Methods: Data were collected in a cross-section...
متن کاملComparative 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...
متن کاملPrevalence of Herpes Simplex Virus type-1, 2 and Varicella Zoster Virus (VZV) in Eye Infection
Abstract Background and Aims: Herpes simplex virus (HSV) is a common cause of corneal disease and is the leading infectious cause of corneal blindness among developed nations. This study is aimed to provide an estimation of the incidence of Herpes Simplex Virustype-1, 2(HSV1, 2) and Varicella Zoster Virus (VZV) in tears and swab from eye infection by polymerase chain reaction (PCR) in eye ...
متن کاملHerpes Simplex Virus Type 2 Seroprevalence in Pregnant Women in Urmia, Northwest of Iran, during 2014-2015
Background: Herpes simplex virus type 2 (HSV-2) seroprevalence has been shown to be a potential sign of infection in pregnant women, and it could be applied to check HSV-2 transmission. This study evaluated the anti-HSV-2 IgG prevalence in pregnant women who were referred to health centers in Urmia, Northwest of Iran, during 2014-2015. Methods: Serum samples were collected from 86 pregnant wome...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Journal of clinical microbiology
دوره 44 7 شماره
صفحات -
تاریخ انتشار 2006