Powered by OpenAIRE graph
Found an issue? Give us feedback
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Medical V...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Journal of Medical Virology
Article . 2016 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
versions View all 2 versions
addClaim

Molecular detection and characterization through analysis of the hexon and fiber genes of Adenoviruses causing conjunctivitis in Tunisia, North Africa

Authors: Nadia, Fedaoui; Narjess, Ben Ayed; Ahlem, Ben Yahia; Walid, Hammami; Leila, Matri; Leila, Nacef; Henda, Triki;

Molecular detection and characterization through analysis of the hexon and fiber genes of Adenoviruses causing conjunctivitis in Tunisia, North Africa

Abstract

Human adenoviruses (HAdVs) are common causes of conjunctivitis. This study describes the epidemiological features and characterizes by phylogenetic analysis HAdVs isolated from patients with conjunctivitis in Tunisia, North Africa. Data on out‐patients presenting with conjunctivitis during 2 years (2012–2013) were analyzed. Conjunctival swabs obtained from 240 patients were assessed for the presence of HAdVs by PCR amplification on the fiber and hexon genes. Positive PCR products, together with those of nine viral isolates from previous years, were sequenced and analyzed phylogenetically. Conjunctivitis represented 11.5% of all reasons of consultations with a slight increase between mid‐March and mid‐June. Sixty‐five percent of samples (n = 156) revealed positive by at least one PCR test. PCR amplification in the hexon gene was slightly more sensitive as compared to the fiber gene. Genotyping in the two genomic regions gave concordant results for almost all isolates. HAdV‐D8 was the most predominant genotype (87.6%) and was detected continuously from 2000 to 2013. Minor co‐circulating genotypes including HAdV‐E4, HAdV‐B3, HAdV‐B55, and HAdV‐D37 were identified; most of them were detected by amplification in the hexon gene. In conclusion, this work reports molecular data on adenoviral conjunctivitis from a region where such information is scarce and contributes to a better knowledge of the worldwide distribution of causative genotypes. It revealed a predominance and endemic circulation of HAdV‐D8, a genotype that was mainly reported from epidemic keratoconjunctivitis. It shows that PCR amplification in two different genomic regions enhances the sensitivity of HAdV detection in clinical samples and the identification of minor genotypes. J. Med. Virol. 89:304–312, 2017. © 2016 Wiley Periodicals, Inc.

Keywords

Adult, Male, Molecular Epidemiology, Tunisia, Adolescent, Genotype, Adenoviridae Infections, Genetic Variation, Middle Aged, Conjunctivitis, Adenoviridae, Young Adult, Child, Preschool, Humans, Capsid Proteins, Child, Phylogeny, Aged, Retrospective Studies

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    8
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
Powered by OpenAIRE graph
Found an issue? Give us feedback
selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
8
Top 10%
Average
Average
Upload OA version
Are you the author of this publication? Upload your Open Access version to Zenodo!
It’s fast and easy, just two clicks!