Hepatitis C Virus Genetic Variability and Quasispecies

Authors

  • Nahida Sultana Research Assistant, Dept. of Virology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka
  • Mohammad Razib Ahsan Junior Consultant, Cardiology, District Sadar Hospital, Brahmanbaria
  • Afsana Anwar Miti Medical officer, Dept. of Virology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka
  • Umme Shahera Medical Officer, Dept. of Virology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka
  • Ridwana Asma Research Assistant, Dept. of Virology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka
  • Tahmina Akther Medical officer, Dept. of Virology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka
  • Ruksana Raihan Associate Professor, Dept. of Microbiology US Bangla Medical College, Narayanganj
  • Mamun Al Mahtab Associate Professor, Dept. of Virology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka
  • Sheikh Mohammad Fazle Akbar Principal Investigator, Toshiba General Hospital, Tokyo

DOI:

https://doi.org/10.3329/dmcj.v6i1.35969

Keywords:

Quasispecies, hepatitis C Virus, RNA, evolution, genetic diversity, compartmentalization, drug resistance

Abstract

Hepatitis C virus (HCV) exists as a cloud of closely related sequence variants called a quasispecies, rather than as a population of identical clones. To date there is no preventive vaccine and though antiviral therapy has been improved in the past few years the HCV cannot be eradicated in all patients as a result of its quasispecies nature due to lack of proof reading activities and high error rate of RNA-dependent RNA polymerase and the pressure exerted by host immune system. This review focuses on the genetic diversity and quasispecies nature of HCV viral genomes, and briefly reviews the principles of quasispecies dynamics and the differences with classical population genetics and discusses the biological implications of this phenomenon, focusing on the hepatitis C virus.

Delta Med Col J. Jan 2018 6(1): 45-52

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Published

2018-03-10

How to Cite

Sultana, N., Ahsan, M. R., Miti, A. A., Shahera, U., Asma, R., Akther, T., Raihan, R., Mahtab, M. A., & Akbar, S. M. F. (2018). Hepatitis C Virus Genetic Variability and Quasispecies. Delta Medical College Journal, 6(1), 45–52. https://doi.org/10.3329/dmcj.v6i1.35969

Issue

Vol. 6 No. 1 (2018)

Section

Review Articles

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