quasispecies

quasispecies

 [quah″zĭ-spe´sēz]
a swarm of virus with similar genetic structure sharing a host with other quasispecies of different genetic makeup; usually all quasispecies in one host are descended from a single ancestor strain.

quasispecies

[quah′z-spe′sēz]
a swarm of viruses with similar genetic structure sharing a host with other quasispecies of different genetic makeup. Usually all quasispecies in one host are descended from a single ancestor strain.
References in periodicals archive ?
9 An HCV non-structural protein 5A quasispecies pattern has been extensively associated with interferon resistance.
To make this determination, further studies are needed, taking into consideration different EBOV strains and quasispecies.
Hepatitis B virus quasispecies in hepatic and extrahepatic viral reservoirs in liver transplant recipients on prophylactic therapy.
Impact of highly active antiretroviral therapy and immunologic status on hepatitis C virus quasispecies diversity in human immunodeficiency virus/hepatitis C virus-co-infected patients.
The key to achieve sustained viral response (SVR) in the treatment of chronic hepatitis C with direct anting antivirals (DAAs) is to eliminate all the hepatitis C virus (HCV) quasispecies that infect the patient; if this is achieved, and the entire viral population has been eradicated, there is no opportunity for viral relapse and the patient is cured of HCV infection.
An increase in HCV subtype 1a and subtype 1c can be due to a phenomenon quasispecies and high mutation rate.
In infected persons, HCV is a reservoir of related genetic variants, referred to as quasispecies (6).
Genetic heterogeneity of hepatitis C virus: Quasispecies and genotypes.
1999 The Evolution of Porcine Reproductive and Respiratory Syndrome Virus: Quasispecies and Emergence of a Virus Subpopulation During Infection of Pigs With Vr-2332.
This discrepancy might be due to the fact that virus of different quasispecies even within the same subtype has different mutations.