Genotyping of group A rotavirus samples from Brazilian children by probe hybridization.
نویسندگان
چکیده
The G genotyping of 74 group A rotavirus samples was done by RNA-DNA hybridization (dot-blot) using oligonucleotide probes for the VP7 gene region of the human rotavirus serotypes/genotypes 1, 2, 3 and 4. Thirty-one samples could be genotyped by dot-blot showing the following results: G1 = 16, G4 = 6, G3 = 5, and G2 = 4. The data show circulation of genotypes G1-G4 and the predominance of G1. The knowledge of genotypes provides important information concerning rotavirus circulation in Central Brazil.
منابع مشابه
Human group C rotavirus in children with diarrhea in the Federal District, Brazil.
Group C rotaviruses are fastidious in their in vitro cell culture requirements. Recent serosurveys indicate that antibody to group C rotavirus is present in 3-45% of the human population in certain geographic locations, suggesting that rotavirus group C infection is more prevalent than previously believed and that the low rate of detection of these agents is probably due to the lack of sensitiv...
متن کاملبررسی تنوع ژنتیکی و آنالیز فیلوژنتیک ژنوتیپ‌های VP4(P) روتاویروس در اسهال حاد کودکان
Background: Acute gastroenteritis is a major cause of morbidity and mortality among children in developing countries. Rotaviruses are recognized as the most common etiologic factors of gastroenteritis. In this study, we determined the epidemiologic features, clinical symptoms and molecular structure of rotavirus VP4(P) genotypes in children with acute diarrhea in Bahrami Hospital in T...
متن کاملA Real-Time RT-PCR Assay for Genotyping of Rotavirus Strains
Background: Human rotavirus (HRV) is the causative agent of severe gastroenteritis in children and responsible for two million hospitalizations and more than a half-million deaths annually. Sequence characteristics of the gene segments encoding the VP7 and VP4 proteins are used for the genotype classification of rotavirus. A wide variety of molecular methods are available, mainly based on rever...
متن کاملComparison of Enzyme Immunoassay, Immunochromatography, and RNA-Polyacrylamide-Gel Electrophoresis for Diagnosis of Rotavirus Infection in Children with Acute Gastroenteritis
Human rotavirus is a major etiologic agent for infantile diarrhea worldwide. It is responsible for up to 3.3 million deaths per year in children in developing countries. Various rapid and sensitive techniques have been developed to readily diagnose rotavirus gastroenteritis. In the present study, we compared the sensitivity and specificity of immunochromatography and RNA-polyacrylamide-gel elec...
متن کاملAnalysis of NSP4 Gene and Its Association with Genotyping of Rotavirus Group A in Stool Samples
Background: Non-structural protein 4 (NSP4) is a critical protein for rotavirus (RV) replication and assembly. This protein has multiple domains and motifs that predispose its function and activity. NSP4 has a sequence divergence in human and animal RVs. Recently, 14 genotypes (E1-E14) of NSP4 have been identified, and E1 and E2 have been shown to be the most common genotypes in human. Methods:...
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:
- Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas
دوره 34 4 شماره
صفحات -
تاریخ انتشار 2001