Related Experiment Video
Updated: Jun 13, 2026
13:04
A Protocol for Analyzing Hepatitis C Virus Replication
Published on: June 26, 2014
[Reverse hybridization and sequencing for genotyping the hepatitis C virus]
Patrícia Martinez Levada1, Camila Fernanda Verdichio de Moraes, Silvia Maria Corvino
1Faculdade de Medicina de Botucatu, Faculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP.
Revista Da Sociedade Brasileira De Medicina Tropical
|May 14, 2010
Summary
Direct sequencing offers more accurate hepatitis C virus (HCV) genotyping than reverse hybridization. This method resolves inconclusive results and corrects errors found with commercial kits, improving HCV classification.
Area of Science:
- Virology
- Molecular Biology
- Medical Diagnostics
Background:
- Hepatitis C virus (HCV) genotyping is crucial for patient management and treatment.
- Existing genotyping methods, such as reverse hybridization, have limitations and areas for improvement.
Purpose of the Study:
- To compare the accuracy and efficiency of reverse hybridization and direct sequencing for HCV genotyping.
- To evaluate the performance of a commercial reverse hybridization kit against direct sequencing.
Main Methods:
- Ninety-one patient plasma samples were analyzed.
- HCV genotyping was performed using the INNO-LiPA(R) v.1.0 commercial kit (reverse hybridization).
- Direct sequencing was conducted using in-house protocols on an automated sequencer.
Main Results:
- Direct sequencing successfully resolved cases that were inconclusive with the commercial kit.
- The commercial kit demonstrated inaccuracies in virus subtyping and genotypic determination.
- Direct sequencing identified errors in the reverse hybridization kit, questioning its overall efficiency.
Conclusions:
- Direct sequencing provides superior accuracy for hepatitis C virus classification compared to reverse hybridization.
- Direct sequencing is a more reliable method for definitive HCV genotyping.
Related Concept Videos
03:00Next-generation Sequencing
The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
01:25Hepatitis
Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver. The...
03:21RNA-seq
RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases.
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...