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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Relationship between electropherotypes and VP7/VP4 genotypes of group A rotaviruses detected between 2000 and 2007 in Tunisian children
Pathologie Biologie, Volume 59, No. 3, Year 2011
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Description
Background: Rotaviruses are the most frequent agents associated with diarrhoea in children worldwide. Analysis of mobility of the 11 segments of genomic RNA by polyacrylamide gel electrophoresis (PAGE) yields a pattern which is characteristic for a particular rotavirus isolate. The group A rotaviruses can be further characterized by analysis of VP7 and VP4 genes specificities, responsible for rotavirus classification into G and P genotypes, respectively. The aim of the present study was to detect a relationship between electropherotype pattern and molecular characteristics of the rotavirus strains. Material and methods: Were analyzed 278 rotavirus-positive specimens by PAGE and G/P-genotyped by multiplex semi-nested RT-PCR. Pearson's correlation tests were used for statistical analysis. Results: Twelve different electropherotypes were visualized, eight with a long profile (186 cases) and four with a short one (87 cases). Concerning VP7 types, G2 viral strains were found to be predominant and were detected in 91 specimens (32.7%). Strains with G1, G3, G4, G8 and G9 specificities were detected in 62 (22.3%), 82 (29.5%), 13 (4.7%), two (0.7%) and seven cases (2.5%), respectively. The results of VP4 genotyping showed a predominance of P[8] genotype which comprised half of the strains identified (139 cases, 50%). VP4 P[4], P[6] and P[11] were found in 83 (29.9%), 31 (11.1%) and 11 (4.0%) specimens, respectively. A high rate of mixed strains was also found (1.8% mixed electropherotypes, 7.6% G-mixed and 5% P-mixed strains). Electropherotype pattern of rotavirus strains was significantly correlated with VP7 genotype (p=0.018) and with VP4 genotype specificities (p<0.001). © 2009 Elsevier Masson SAS.
Authors & Co-Authors
Chouikha, Anissa
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Fodha, Imène
Tunisia, Sousse
Chu Sahloul
Ben Hadj Fredj, Mouna
Tunisia, Sousse
Chu Sahloul
Ardhaoui, Monia
Tunisia, Sousse
Chu Sahloul
Teleb, Nadia A.
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Brini, InèS Zerzeri
Egypt, Cairo
Who/emro
Messaadi, Feriel
Tunisia, Sfax
Chu Hedi-chaker
Mastouri, Maha
Tunisia, Monastir
Chu Fattouma-bourguiba
Sfar, Mohammed Tahar
Tunisia, Mahdia
Hôpital Tahar Sfar
Hachicha, Mongia T.
Tunisia, Sfax
Chu Hedi-chaker
Kammoun, Thouraya H.
Tunisia, Sfax
Chu Hedi-chaker
Bouaaziz, A.
Tunisia
University Hospital Tletli
Amri, Fethi
Tunisia, Kairouan
Ibn el Jazzar University Hospital
Harbi, Abdelaziz
Tunisia, Sousse
Chu Sahloul
Zribi, Mohamed
Tunisia, Sfax
Chu Hedi-chaker
Bousnina, Souad
Egypt, Cairo
Who/emro
Khemakhem, A.
Tunisia, Tunis
General Directorate of Water Resources
Boujâafar, Noureddine
Tunisia, Sousse
Chu Sahloul
Trabelsi, Abdelhalim
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Tunisia, Sousse
Chu Sahloul
Steele, Andrew Duncan
United States, Seattle
Path
Statistics
Citations: 20
Authors: 20
Affiliations: 11
Identifiers
Doi:
10.1016/j.patbio.2009.04.008
ISSN:
03698114
e-ISSN:
17683114
Research Areas
Genetics And Genomics
Infectious Diseases
Maternal And Child Health
Study Approach
Quantitative